TWR-K70F120M Tower Module - ARM DS
Contents
1. ener 16 5 Tower Elevator Connections 1 errem rr 18 TWR K70F120M Tower Module User s Manual Page 2 of 24 e poss z freescale semiconductor List of Figures Figure 1 Freescale Tower System Overview ccccccsecccssccccsccceneceeseccceeceeenceseneceeeeceeeeceeeuceteeeeeneeeeeeseneneens 4 Figure 2 Callouts on front side of the TWR K70F120M essesssessssreserrssresrrssressrresrenseeseresreesreeseeesrerererseee 6 Figure 3 Callouts on back side of the TWRKZOELZOM 6 Figure 4 TWR K70F120M Block Diagram sessiissrservsrenrsssisisessuersrossssitoa pes enseu roi ask raU ia N odii Uia 8 List of Tables Table 1 Cortex Debug ETM Connector PinoUt esses nennen enn enne nnns 10 Table 2 General Purpose TWRPI socket pinout esses ennemis 12 Table ege Eet Eeler E 13 Table 4 Ethernet operation jumper settings cccccesccceseccenececesceceececeneeteueeeeueceeeececeuceneusetsneeteneeeeeess 13 Table 5 TWRSKZOFTI20M Jumper Table cus cd gege dee edd en 15 Table 6 I O Connectors and Pin Usage Table 16 Table 7 TWR K70F120M Primary Connector Pinout ccooccccnccncnccnnnncnnnncnnonacnnnannnnncnonarnnnnrononarnonacnonannnnoss 18 Table 8 TWR K70F120M Primary Connector Pinout ccooccccnccncnncnnnncnnnncnnonacnnnannonannnonononarononacnnnannonanonnnss 21 Revision History Date Changes Nov 17 2011 Initial Release for PWA 700 27166 Rev B Removed references to J18 and added in2. LCD_P14 Display PTF18 IRQ Pi Interrupt SPI2 CS2 b SPI 2 IRQ O Interrupt SPI2 CS3 b SPI 2 Interrupt PTB4 IRQ M Interrupt PTB4 IRQ L Interrupt PTB5 IRQ_K Interrupt PTB5 IRQ J Interrupt PTB6 Interrupt PTB7 LCD_D18 LCD P18 Display PTF22 LCD_D19 LCD P19 Display PTF23 EBI AD20 EBI LCD P42 Display EBI AD21 EBI LCD P43 Display EBI AD22 EBI LCD P44 Display EBI AD23 EBI LCD P45 Display EBI AD24 EBI LCD P46 Display EBI AD25 EBI LCD P47 Display EBI AD26 EBI TSI TXD3 TSI5 TSI RTS3 TSI6 CTS3 TSI7 TSI LCD D4 LCD P4 Display PTF8 LCD D5 LCD P5 Display PTF9 LCD D6 LCD P6 PTF10 LCD D7 LCD P7 Display PTF11 LCD D8 LCD P8 PTF12 Display LCD D9 LCD P9 PTF13 Displa LCD D10 LCD P10 PTF14 Display LCD D11 LCD PI PTF15 Displa es 4 A LCD_D15 LCD_P15 Display PTF19 LCD_D16 LCD_P16 Display PTF20 LCD_D17 LCD_P17 Display PTF21 EBI BE 32 24 b EBI LCD P28 Display EBI BE 23 16 b EBI LCD P29 Display EBI BE 15 8 b EBI LCD P30 Display EBI BE7 0 b EBI LCD P31 Display EBI TSIZEO EBI LCD P32 Display EBI TSIZE1 EBI LCD P33 Display EBI TS b LCD P34 EBI ilo mn N N TWR K70F120M Tower Module User s Manual Page 23 of 24 2 freescale semiconductor N LCD_P48 Display 2 Display IC a E ENT A LCD_P49 Displa 3 LCD_P35 Displa noice cay LCD_P50 Display EBI TA b LCD P36 Display HE UNE LCD P51 Di
3. x gt freescale semiconauctor N TWR K70F120M Tower Module User s Manual Rev 1 1 Freescale Semiconductor Inc e a freescale Table of Contents 1 TWR K70F120M and TWR K70F120M KIT OvervieW eere 4 oia A A 5 A o e ia 5 iS Getuno State tino dopo 7 14 Relerentce BY 6 6 U1 0 9 orion DES I ENIM PE LUN DEI EU c IEEE 7 2 HardWare Describe nena 7 LN HET MICE OC ONO Rm 8 PAPA qu eae 9 E SEO O Ja 9 Pot A E 10 A o O o ee ee ere ee 10 a 10 PA a EE en aime mediae eS A 10 2 5 Graphical LCD Interface uu ssssssessesssssssessecssssessasecsnssessacsasseseseacsasseseacscsnsseseersasseseseocsassesearscensseeersassesearacsasseatansaeas 11 20 DDR MOMO can 11 AF NAND T e EE 11 A A 11 2 9 Accelerometer mnmmiiiniininin AENEA AEn a nanna 11 2 10 Potentiometer Pushbuttons LEDS aconiiaanonosiancioiiia 11 2 11 General Purpose Tower Plug in TWRPI Socket esent tenente tenentes 12 Z2 DONC THOSE o PO MUERE IDEM IU ME EE E 12 LABES D UP 13 ZAU RR MRRRRRIRE 14 SALTE UGE AA MEE AA E 14 NEN AS US T RR 14 PAM Eo ET Ke E PP A ee 14 2 16 External Bus Interface FlexBUS did 14 3 Jumper Cable coincida oia 15 4 Input Output Connectors and Pin Usage Table
4. D1 C1 bi SPI2 MISO SPI 2 PTD14 K E CLK RE ee D1 C1 ETH TXCLK Ethernet ETH MDIO Ethernet D1 C1 ETH_TXEN Ethernet ETH_RXCLK Ethernet D1 GPIO C1 GPIO GPIO20 SDHC_D5 GPIO C1 GPIO28 SDHC D7 GPIO TWR K70F120M Tower Module User s Manual Page 21 of 24 e T so e EN D freescale semiconductor SDHC ETH TXD1 Ethernet ETH TXDO Ethernet ULPI NEXT ULPI USB USB1 DM 1 PTA8 ULPI_DIR ULPI USB USB1_DP 1 PTA7 UPLI DATA5 ULPI USB USB2 DM 2 PTA27 ULPI DATA6 ULPI USB USB2 DP 2 PTA28 ULPI DATA7 ULPI PTA29 SDHC ETH RXD1 Ethernet ETH RXDO Ethernet ULPI DATAO ULPI USB3 DM USB 3 ULPI DATA1 ULPI USB3 DP USB 3 ULPI DATA2 ULPI USB4 DM USB 4 ULPI DATA3 ULPI USB4 DP USB 4 ULPI DATA4 ULPI gr d PTF2 AN11 ADC D VSNET e Se AN13 ANO AN12 ANS peg mum rog PTFO GPIO29 wem ux see eme rs Se Ss CANTX1 CAN 1 LCD_CONTRAST Display PTC18 LCD_OE LCD_P27 Display PTF1 LCD_DO LCD_PO Display PTF4 TWR K70F120M Tower Module User s Manual UART 2 UART 2 CTS2 TSI3 RXD3 TSI4 UART 3 UART 2 TSI Page 22 of 24 PTA10 PTA11 PTA24 PTA25 PTA26 3 3V Power a T e 9 z freescale semiconductor LCD D1 LCD P1 Display PTF5 CD D2 LCD P2 Display PTF6 LCD D3 LCD P3 Display PTF7 GPIO23 GPIO GPIO24 GPIO LCD_D12 LCD_P12 Displa PTF16 LCD_D13 LCD_P13 Display PTF17 LCD_D14
5. Figure 2 Callouts on front side of the TWR K70F120M i l EM SD Card Potentiometer ct 4 Socket E I7 E a LIN i nee ei m erm PA ce VBAT RTC Wen E Battery lat de e D e i a Holder T o MC9S08JM60 vi a SECONDARY el E 2Gb NAND OSJTAG Circuit IT Flash Figure 3 Callouts on back side of the TWR K70F120M TWR K70F120M Tower Module User s Manual Page 6 of 24 2 freescale semiconductor 1 3 Getting Started Follow the Quick Start Guide found printed in the TWR K70F120M box or the interactive DVD for the list of recommended steps for getting started There are also lab walk through guides available on the tool support page for the TWR K70F120M http www freescale com TWR K70F120M 1 4 Reference Documents The documents listed below should be referenced for more information on the Kinetis family Tower System and MCU Modules These can be found in the documentation section of freescale com TWR K70F120M or freescale com kinetis e TWR K70F120M QSG Quick Start Guide e TWR K70F120M SCH Schematics e TWR K70F120M PWB Design Package e K70 Family Product Brief e K70 Family Reference Manual e Tower Configuration Tool 2 Hardware Description The TWR K70F120M is a Tower Controller Module featuring the MK7OFNIMOVMJ12 an ARM Cortex M4 based microcontroller with graphical LCD controller tamper detection USB 2 0 HS Controller USB 2 0 full soeed OTG controller and 10 100 Mbps Ethernet MAC
6. create development platforms for a wide variety of applications O provides an overview of the Freescale Tower System Controller Module Primary Elevator e Tower MCU MPU i ae Wee ES iL e Common serial board and expansion bus signals e Works stand alone or in Tower System e Two 2x80 connectors on backside for easy signal access and side mounting board LCD module e Features integrated debugging interface for easy programming and run control via standard USB cable Power regulation circuitry Secondary Elevator Standardized signal e Additional and assignments secondary serial and expansion bus signals Mounting holes e Standardized signal assignments g Board Connectors e Mounting holes and expansion connectors for side mounting peripheral boards e Four card edge connectors e Uses PCI Express connectors Size Peripheral Module x16 90 mm 3 5 long 164 pins e Tower is approx 3 5 H x 3 5 W e Examples include serial interface module x 3 5 D when fully assembled memory expansion module and Wi Fi Figure 1 Freescale Tower System Overview TWR K70F120M Tower Module User s Manual Page 4 of 24 2 freescale semiconductor 1 1 Contents The TWR K70F120M contents include e TWR K70F120M board assembly e 3ft USB cable e Interactive DVD with software installers and documentation e Quick Start Guide The TWR K70F120M KIT contains e TWR K70F120M MCU module e WR ELEV
7. in a 256 MAPBGA package with a maximum core operating frequency of 120MHz It is intended for use in the Freescale Tower System but can operate stand alone An on board debug circuit OSJTAG provides a JTAG debug interface and a power supply input through a single USB mini AB connector Figure 4 shows a block diagram of the TWR K70F120M The following sections describe the hardware in more detail TWR K70F120M Tower Module User s Manual Page 7 of 24 9 2 freescale semiconductor Tower Elevator Expansion Connectors SDHC S SPI IC ADC USB DAC PWM UARTs Flexbus Ethernet LCD and up 99V 50 MHz OSC IR Output l Comparator Infrared Port GPIO Interrupts Reset Battery VBAT RTC Capacitive Touch TSI GPIO Pads DDR Controller NFC FlexBus General Purpose Touch Tower Plug in Tower Plug in TWRPI TWRPI a Freescale Device External Connectors Interface Circuits AN Power E Memory Figure 4 TWR K70F120M Block Diagram 2 1 K70FN1MO Microcontroller The TWR K70F120M module features the MK70FN1MOVMJ12 The K70 microcontroller family is part of the Kinetis portfolio of devices built around an ARM Cortex M4 core Refer to the K70 Family Product Brief and the K70 Family Reference Manual for comprehensive information on the MK7OFN1MOVMJ12 device The key features are listed here e 32 bit ARM Cortex M4 core with DSP instructions e 120MHz maximum core operating frequency e 256 MAPB
8. logic in the processor allows for dynamic sharing between the NAND flash and FlexBus interfaces 2 8 Infrared Port An infrared transmit and receive interface is implemented on the board The CMT IRO pin directly drives an infrared diode The receiver uses an infrared phototransistor connected to an on chip analog comparator through a low pass filter Internal to the K70 device the output of the analog comparator can be routed to a UART module for easier processing of the incoming data stream 2 9 Accelerometer An MMA8451Q digital accelerometer is connected to the K70 MCU through an I2C interface and a GPIO IRQ signal Refer to Table 6 I O Connectors and Pin Usage Table for connection details 2 10 Potentiometer Pushbuttons LEDs The TWR K70F120M features two pushbutton switches connected to GPIO interrupt signals one pushbutton connected to the master reset signal four capacitive touch pad electrodes four user controllable LEDs and a potentiometer connected to an ADC input signal Refer to Table 6 I O Connectors and Pin Usage Table for information about which port pins are connected to these features TWR K70F120M Tower Module User s Manual Page 11 of 24 z freescale semiconductor e T oe 7s 2 11 General Purpose Tower Plug in TWRPI Socket The TWR K70F120M features a socket that can accept a variety of different Tower Plug in modules featuring sensors RF transceivers and more The General Purpose TWRPI soc
9. 17 USBO DM USBO DP USBO ID USBO VBUS I2S50 DIN SC K Gen DIN WS 1250_DIN1 Gen DOUT RSTIN_b RSTOUT_b i CLKOUTO PTB18 EBI AD15 EBI AD14 EBI AD16 NM iid EBI_AD17 NM ba E E E E EBI AD13 E E PTB11 E E E E E EBI AD12 EBI AD18 EBI AD19 EBI AD11 PIER EBI_AD10 EBI_R W_b PTC11 EBI_AD9 EBI_OE_b PTB19 EBI_AD8 EBI D7 PTB20 3 EBI AD7 EBI D5 PTB22 EBI AD5 gt N BI BI BI BI BI BI BI BI BI BI BI BI TWR K70F120M Tower Module User s Manual Power Ground Poner USBO_DM USBO_DP VREGIN i PTE9 I I I as US ores Z5 ores US ores RESET_b PTCO PTC1 PTC2 2 2 2 2 E E E E E PTC5 E PTC6 E PTC E PTC8 E PTC9 PTCIO Cw nes S S S S BI BI BI BI BI BI BI BI BI BI Page 20 of 24 2 freescale semiconductor B A7 EBI_D4 iios EBI AD4 in B7 A7 Fem Ao EBI AD3 us B7 A7 ue ARE EBI_AD2 ibi B7 A7 B8 E i9 ien domo am B8 E 2 3 3V Power 3 3V Power Table 8 TWR K70F120M Primary Connector Pinout TWR K70F120M Secondary Connector eiTe S D Side C Name Group Usage Name Group Usage 5 0V Di 5 0V oa e o EA e Power om em em eom e E D3 C3 Power ot ie some lee lea apy po E D4 ELE PS SENSE Power Sense Power ZS ND Power l M as D8 SPD CS1b Si pros cs Sp DC2 EIER D9 sprzcsob SsP2 prom Ier eem cO D1 A awe SPI2 PTD13 A a a
10. GA 17mm x 17mm 1 0mm pitch package e 1 71V 3 6V operating voltage input range e 1 Mbyte of program flash 128 Kbytes of static RAM e DDR controller supporting DDR1 LPDDR1 and DDR2 memory e NAND flash controller e External bus interface e Power management controller with 10 different power modes e Multi purpose clock generator with PLL and FLL operation modes e 16 bit SAR ADC 12 bit DAC e High speed analog comparator with 6 bit DAC e Programmable voltage reference e USB high speed OTG controller e USB full speed low speed OTG Host Device controller with device charge detect e 10 100 Mbps Ethernet MAC TWR K70F120M Tower Module User s Manual Page 8 of 24 2 freescale semiconductor e SPI VC w SMBUS support UART w 1507816 CEA709 1 B LON and IrDA support CAN S e SD Host Controller SDHC e GPIO with pin interrupt support DMA request capability digital glitch filtering e Capacitive touch sensing inputs TSI e Debug interfaces JTAG CJTAG SWD e Trace TPIO FPB DWT ITM ETM ETB 2 2 Clocking The Kinetis MCUs start up from an internal digitally controlled oscillator DCO Software can enable one two or three external oscillators if desired Two of the external oscillators provide clocks to the Multipurpose Clock Generator MCG module and can range from 32 768 KHz up to a 32 MHz crystal or ceramic resonator The external oscillator for the Real Time Clock RTC module accepts a 32 768 kHz crys
11. N1MO A standard USB A male to Mini B male cable provided can be used for debugging via the USB connector J13 The OSJTAG interface also provides a USB to serial bridge Drivers for the OSJTAG interface are provided in the P amp E Micro Kinetis Tower Toolkit available on the included DVD 2 4 2 Cortex Debug ETM Connector The Cortex Debug ETM connector is a 20 pin 0 05 connector providing access to the SWD SWV JTAG cJTAG EzPort and ETM trace 4 bit signals available on the K70 device The pinout and K70 pin connections to the debug connector J11 is shown in Table 1Table 1 NOTE The TRACE_CLKOUT signal is not connected to the debug connector by default In order to use trace functionality R137 should be populated and R138 and R11 should be removed Table 1 Cortex Debug ETM Connector Pinout Pin Function TWR K70F120M Connection 1 VTref 3 3V MCU supply P3V3 MCU 2 TMS SWDIO PTA3 SCIO RTS b FTMO CHO JTAG_MS SWD_DIO 3 GND GND 4 TCK SWCLK PTAO SCIO CTS b FTMO CH5 JTAG CLK SWD CLK EZP CLK 5 GND GND 6 TDO SWO PTA2 SCIO TX FTMO CH7 JTAG DO TRACE SWO EZP DO 7 Key 8 TDI PTA1 SCIO_RX FTMO_CH6 JTAG_DI EZP_DI 9 GNDDetect PTA4 FTMO_CH1 MS NMI_b EZP_CS b 10 NRESET RESET_b 11 Target Power 5V supply via J12 12 TRACECLK PTA6 FTMO CH3 TRACE CLKOUT 13 Target Power 5V supply via J12 14 TRACEDATA O PTA10 FTM2 CHO FTM2 QD PHA TRACE DO 15 GND GND 16 TRACEDATA 1 PTA9 FTM1 CH1 FTM1 QD PHB TRACE D1 17 GND GND TWR K70F120M T
12. PI GPIO2 J5 Pin 17 TWRPI GPIO3 J5 Pin 18 TWRPI GPIO4 J5 Pin 19 Electrode O J3 Pin 3 Electrode 1 J3 Pin 5 Electrode 2 J3 Pin 7 Electrode 3 J3 Pin 8 Electrode 4 J3 Pin 9 Electrode 5 J3 Pin 10 Electrode 6 J3 Pin 11 Electrode 7 J3 Pin 12 Electrode 8 J3 Pin 13 Electrode 9 J3 Pin 14 Electrode 10 J3 Pin 15 Electrode 11 J3 Pin 16 TWRPI IDO J3 Pin 17 TWRPI 1D1 J3 Pin 18 RX FS TX FS TXDO RXDO RX BCLK TX BCLK MCLK PTE18 PTE19 PTB4 PTB PTE19 PTE18 PTD14 PTD13 PTD15 PTD12 PTB4 PTB8 PTB9 PTA19 PTE26 PTBO PTB1 PTB2 PTB3 PTCO PTC1 PTC2 PTA4 PTB16 PTB17 PTB18 PTB19 PTES PTE11 PTE10 PTE7 PTE9 PTE12 PTE6 TWR K70F120M Tower Module User s Manual ADC1 DM1 I2C0_SDA I2CO SCL PTB4 PTB7 ADCO_DPO ADC1_DP3 ADCO DMO ADC1 DM3 ADC1 DPO ADCO DP3 ADCO DP1 ADC2 DPO ADC3 DP3 ADCO DM1 ADC2 DMO ADC3 DM3 I2CO SCL DCD SDA SPI2 SIN SPI2 SOUT SPI2 PCS1 SPI2 SCK PTB4 PTB8 PTB9 PTA19 PTE26 TSIO_CHO TSIO_CH6 TSIO_CH7 TSIO_CH8 TSIO_CH13 TSIO_CH14 TSIO_CH15 TSIO_CH5 TSIO_CH9 TSIO_CH10 TSIO_CH11 TSIO_CH12 ADC1_DP1 ADC1_SE16 Den by Es Dep TX FS Dep TXDO I250_RXDO I250_RX_BCLK Dep TX BCLK I2S0 MCLK Page 17 of 24 2 freescale semiconductor 5 Tower Elevator Connections The TWR K70F120M features two expansion card edge connectors that interface to the Primary and Secondary Elevator boards in a Tower system The Primary Connector comprised
13. Primary and Secondary Elevator Modules e TWR SER Serial module including USB host device OTG Ethernet CAN RS232 and RS485 1 2 Features Figure 2 and Figure 3 show the TWR K70F120M with some of the key features called out The following list summarizes the features of the TWR K70F120M Tower MCU Module e Tower compatible microcontroller module e MK7OFN1MOVMJ12 K7OFN1M in a 256 MAPBGA with 120 MHz operation e Touch Tower Plug in Socket e General purpose Tower Plug in TWRPI socket e On board JTAG debug circuit OSJTAG with virtual serial port e 1Gb of DDR2 SDRAM memory e 2Gb of SLC NAND flash memory e Three axis accelerometer MMA8451Q e Four 4 user controllable LEDs e Four 4 capacitive touch pads e Two 2 user pushbutton switches e Potentiometer e Battery Holder for 20mm lithium battery e g 2032 2025 e Micro SD Card slot TWR K70F120M Tower Module User s Manual Page 5 of 24 freescale semiconductor o EE TT gt wT ru ke S ps S MH des SE E t PM BRE Sw2 Infra Red NM 1 dis 3 H DE MN TZ i TS Touch TWRPI General Purpose 29 i j Socket Tower Plug In TWRPI Socket V a LED Touch ei Buttons SW3 Reset Zei E1 E4 eg A a Power OSJTAG E I OFNIMOVMJ12 Mini B USB t b Microcontroller Connector E dei ETE Maer o Tra S f MMA8451 Secondary Boer BCIE NIM KC FREESCALE eae Connector ETT 1Gb 16 bit wide LPDDR2 Memory
14. be required Table 4 shows the settings for proper interoperability between the Ethernet interface on the TWR SER and the TWR K70F120M Table 4 Ethernet operation jumper settings Tower Module Setting TWR K70F120M revB J19 OFF TWR K70F120M revC J18 ON TWR K70F120M Tower Module User s Manual Page 13 of 24 2 freescale semiconductor TWR SER J2 3 4 TWR SER J3 2 3 TWR SER J12 9 10 2 14 USB The K70FN1MO features two different USB modules a USB full speed low speed OTG Host Device controller with built in transceiver and a high speed OTG Host Device controller that requires a external ULPI PHY 2 14 1 FS LS USB The TWR K70F120M routes the USB D and D signals from the K70 MCU to the Primary Connector allowing the connection to external USB connectors or additional circuitry on a Tower peripheral module The TWR SER module included as part of the TWR K70F120M KIT provides a USB OTG Host Device interface with a mini AB USB connector There are many configuration options that can be selected to evaluate different USB modes of operation By default the TWR SER is configured for USB Device operation Please refer to the documentation included with the TWR SER for more information on the configuration options 2 14 2 HS USB The TWR K70F120M routes the ULPI interface signals for the high speed USB module to the Secondary Connector allowing the connection to an external ULPI PHY or additional circuitry on a Tower periph
15. er Table Option Setting Description mw Connect USBO_VBUS from Primary Elevator A57 to USB VREGIN Power ON DAS y i VREGIN Connection Dac S Tae as ORC QNM WEE M QNEM EE OFF i Disconnect VREGIN from Primary Elevator EA AAA A A A a l ON Connect PTD7 CMT_IRO UARTO_TX to IR Transmitter D1 Infrared Transmitter Dee J2 Connection grr Disconnect PTD7 CMT IRO UARTO TX from IR Transmitter D1 ego RO ON Connect on board 3 3V supply to MCU J8 MCU Power Connection S ee Isolate MCU from powe r supply allows for external supply or power measurements gw OSTAGbootloadermode OS TAGfirmware J10 OSJTAG Mode Selection reprogramming O MEN NND OFF Debuggermode o i ON Connect on board 5V supply to JTAG port supports powering board from external JTAG probe L UE Infrared Receiver SN EENEG J16 Connection FA A En 1 2 3 Connect VBAT to on board 3 3V supply J17 VBAT Power Selection EE 23 Connect VBAT to the higher voltage between on board 3 3V supply or coin cell supply On board 50MHz oscillator disabled Off board clock drives main EXTAL J18 ON NOTE This option should be selected whenever a tower revC 50 MHz oscillator output module card that provides a clock on primary elevator pin board enable B24 is connected to the CPU module Otherwise there wil
16. eral module The TWR SER2 module includes a ULPI PHY that can be used with the TWR K70F120M in order to evaluate the high speed USB functionality The TWR SER2 is not included as part of the TWR K70F120M KIT but the boards can be ordered individually from Freescale 2 15 Secure Digital Card Slot A Micro Secure Digital SD card slot is available on the TWR K70F120M connected to the SD Host Controller SDHC signals of the K70 MCU This slot will accept micro SD memory cards Refer to Table 6 I O Connectors and Pin Usage Table for the SDHC signal connection details 2 16 External Bus Interface FlexBus The K70 device features a multi function external bus interface called the FlexBus interface controller capable of interfacing to slave only devices The FlexBus interface is not used directly on the TWR K70F120M Instead a subset of the FlexBus is connected to the Primary Connector so that the external bus can access devices on Tower peripheral modules Refer to Table 7 TWR K70F120M Primary Connector Pinout and sheet 8 of the TWR K70F120M schematics for more details TWR K70F120M Tower Module User s Manual Page 14 of 24 e Ss o gt z freescale semiconductor 3 Jumper Table There are several jumpers on the TWR K70F120M that provide configuration selection and signal isolation Refer to the following table for details The default installed jumper settings are shown in bold with asterisks Table 5 TWR K70F120M Jump
17. fo on using dine casa J19 to replace J18 s functionality Added information on running EVB at 150MHz Nov 20 2012 Added jumper details for rev C board Added information on using trace TWR K70F120M Tower Module User s Manual Page 3 of 24 2 freescale semiconductor 1 TWR K70F120M and TWR K70F120M KIT Overview The TWR K70F120M is a development board for the K61 and K70 family 32 bit ARM Cortex M4 MCUs The TWR K70F120M is populated with a device rated for 120 MHz operation across the full 40C to 85C temperature range At room temperatures the board can be over clocked to 150 MHz to allow for evaluation of the K70 and K61 devices that are rated for 150 MHz operation across the full temperature range The TWR K70F120M is a Tower Controller Module compatible with the Freescale Tower System It can function as a stand alone low cost platform for the evaluation of the Kinetis K10 K20 K6x and K70 family of microcontroller MCU devices The TWR K70F120M features the Kinetis K70 low power microcontroller based on the ARM Cortex M4 architecture with graphical LCD controller tamper detection USB 2 0 HS Controller USB 2 0 full speed OTG controller and 10 100 Mbps Ethernet MAC The TWR K70F120M is available as a stand alone product or as a kit TWR K70F120M KIT with the Tower Elevator Modules TWR ELEV and the Tower Serial Module TWR SER The TWR K70F120M can also be combined with other Freescale Tower peripheral modules to
18. ket provides access to I2C SPI IRQs GPIOs timers analog conversion signals TWRPI ID signals reset and voltage supplies The pinout for the TWRPI Socket is defined in Table 2 Refer to Table 6 I O Connectors and Pin Usage Table for the specific K70 pin connections to the General Purpose TWRPI socket Table 2 General Purpose TWRPI socket pinout Left side 2x10 Connector Right side 2x10 Connector Pin Description Pin Description 5V VCC GND 3 3 V VCC I2C E GND 2C SCL 3 3V VDDA 4 I2C SDA VSS Analog GND 5 GND VSS Analog GND 6 GND VSS Analog GND 7 GND ADC Analog 0 8 GND ADC Analog 1 9 SPEMIO VSS Analog GND VSS Analog GND ADC Analog 2 VSS Analog GND VSS Analog GND GND GND 17 ADC TWRPI ID O 2 12 Touch Interface The touch sensing input TSI module of the Kinetis MCUs provides capacitive touch sensing detection with high sensitivity and enhanced robustness Each TSI pin implements the capacitive measurement of an electrode E 0 E EN 6 E ER 10 17 The TWR K70F120M provides two methods for evaluating the TSI module There are four individual electrodes on board the TWR K70F120M that simulate pushbuttons Additionally twelve TSI signals are connected to a Touch Tower Plug in TWRPI socket that can accept Touch TWRPI daughter cards that may feature keypads rotary dials sliders etc The pinout for the To
19. l be NNNM contention between the two clock sources i merx On board 50MHz oscillator enabled On board 50 MHz clock OFF i drives main EXTAL uo ON Power supply to 50MHz oscillator enabled revC 50 MHz oscillator power Pa rx xl A GR A board OFF Power supply to 50MHz oscillator disabled TWR K70F120M Tower Module User s Manual Page 15 of 24 e poss 2 freescale semiconductor I a M On board 50MHz oscillator enabled On board 50 MHz clock Lo drives main EXTAL j On board 50MHz oscillator disabled Off board clock drives J19 main EXTAL revB 50MHz clock disable board OFF NOTE This option must be selected whenever a tower module card that provides a clock on primary elevator pin B24 is connected to the CPU module Otherwise there wil be iu p _contention between the two clock sources AS ru MCU VDD INT Power TEON connect vD ana VDD NT tnt Connection OFF solate MCU VDD_INT from power supply allows for external supply or power measurements I Ss L BEEN BEE EEGEN JA 4 Input Output Connectors and Pin Usage Table The following table provides details on which K70FN1MO pins are used to communicate with the LEDs switches and other I O interfaces onboard the TWR K70F120M Note Some port pins are used in multiple interfaces on board and many are potentially connected to off board resources via the Prima
20. o a Tower System the TWR K70F120M can be powered from either an on board source or from another source in the assembled Tower System If both the on board and off board sources are available the TWR K70F120M will default to the off board source The 3 3V power supplied to the MCU is routed through two jumpers J8 and J20 J8 can be supplies VDD to the processor and also VDD_INT as long as J20 is installed J20 supplies VDD_INT to the processor The jumper shunts can be removed to allow for either 1 alternate MCU supply voltages to be injected or 2 the measurement of power consumed by the MCU TWR K70F120M Tower Module User s Manual Page 9 of 24 z freescale semiconductor e T bei 7s 2 3 1 RTC VBAT The Real Time Clock RTC module on the K70 has two modes of operation system power up and system power down During system power down the RTC is powered from the backup power supply VBAT The TWR K70F120M provides a battery holder for a coin cell battery that can be used as the VBAT supply The holder can accept common 20mm diameter 3V lithium coin cell batteries e g 2032 2025 Refer to the description J17 in Table 5 TWR K70F120M Jumper Table for more information 2 4 Debug Interface There are two debug interface options provided the on board OSJTAG circuit and an external Cortex Debug ETM connector 2 4 1 OSJTAG An on board MC9S08JM60 based Open Source JTAG OSJTAG circuit provides a JTAG debug interface to the K7OF
21. of sides A and B is utilized by the TWR K70F120M while the Secondary Connector comprised of sides C and D only makes connections to the GND pins Table 7 provides the pinout for the Primary Connector Table 7 TWR K70F120M Primary Connector Pinout TWR K70F120M Primary Connector Pi Side B Pi Side A n D Name Group Usage Name Group Usage Bal 5 Power 30V Power AL SY Power 3 0v Power B2 GND Power 2 GND Power Ground el 33v Power 3 3V Power 3 3 3v Power 3 3V Power Elevator Power ELE a SENSE EE ER ER 3V H SDHC SNP SDHC Power en a PTE SCLO 12C0 PTE19 SDHC_D3 SDHC SPI CS1 b SPI 1 MA i nici ia SDHC D3 SDHC oss GPIO SPI1_CS0_b SPI 1 A9 GPIO9 CTS1 UART PTE18 B1 SDHC CMD SEHE Sre Al GPIO8 GPIO 0 SPI1_MOSI SPI 1 O SDHC Di SDHC PIER B1 SDHC DO SDHC pre Al GPIO7 GPIO 1 SPI1 MISO SPI 1 1 SD WP DET SDHC PTE27 B1 Al Etherne ETH ENER Ethernet PTAS ETH MDC uM B1 A1 Etherne eTHTxCK ethernet 7 mmm Di ETH TXEN Ethernet PTA15 ETH RXCLK uda MEN B1 A1 Etherne B1 A1 Etherne ETH TXD1 Ethernet PTA17 T ETH RXD1 id W i B2 A2 Etherne Fi ETH TXDO Ethernet PTA16 ETH RXDO DE me 000 us GPIO1 RTS1 GPIO PTE19 SSI_MCLK PIER ss TWR K70F120M Tower Module User s Manual Page 18 of 24 e gt P oF e UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ D freescale semic
22. onductor UART GPIO2 SDHC_D1 SDHC m reas CLKINO PTA18 CLKOUT1 PTE26 SSI_BCLK SSI_FS SSI_RXD SSI_TXD m O ADCO DP1 3 ADCO_DM1 AN AN2 AN1 ADC1_DM1 ANO DAC1 GPIO4 GPIO PTB8 DAC1 OUT DACO TMR1 TMRO GPIO6 3 3V 3 3V Power PWM7 PTA2 pon PWM6 PTA1 3 3V PWM3 PWM2 PWM5 PTD5 PWM1 PWM4 PTA7 CANRXO PTC16 CANTXO PTC17 1WIRE SPIO_MISO PTD14 SPIO_MOSI PTD13 SPIO CSO b PTD11 VDDA SPIO CS1 b SPI 0 PTD15 CANRX1 SPIO_CLK SPIO PTD12 CANTX1 PWMO RX TX RX 0 0 1 1 TX D D D D S VS NE OD TWR K70F120M Tower Module User s Manual ESPA ES PTE7 EQ PGAO DP ADCO DPO A DC1 DP3 PGAO DM ADCO DMO ADC1 DM3 SSI SSI SSI SSI PGA1 DP ADC1 DPO A PGA1 DM ADC1 DMO0 WM WM WM WM DACO OUT GPIO PTB9 3 3V Power PTA6 UART O PTF7 UART O PTF8 UART 1 PTE17 UART 1 PTE16 Analog Vref VSSA Analog Vref VDDA CAN 1 Page 19 of 24 e T so e UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ freescale semiconductor GND SCL1 I2C 1 PTE19 SDA1 I2C 1 PTE18 GPIO5 GPIO SD CARD DET SDHC PTE28 USBO DP PDOWN USB 0 USBO DM PDOW N USB 0 IRQ H Interrupt PTB4 IRQ CG Interrupt PTB4 IRQ_F Interrupt PTBS IRQ E Interrupt PTBS Interrupt PTB6 IRQ C Interrupt PTB6 IRQ B Interrupt PTB7 IRQ A Interrupt PTB7 EBI_ALE EBI CS1 b ibi EBI CSO b GPIO14 GPIO15 GPIO16 GPIO
23. ower Module User s Manual Page 10 of 24 z freescale semiconductor e T bei 7s Function TWR K70F120M Connection TRACEDATA 2 PTA8 FTM1 CHO FTM1 QD PHA TRACE Di GND GND TRACEDATA 3 PTA7 FTMO_CH4 TRACE_D3 Note Many of the trace signals connected to the debug connector are also connected elsewhere on the TWR K70F120M Refer to Table 6 I O Connectors and Pin Usage Table and Table 7 TWR K70F120M Primary Connector Pinout for more information 2 5 Graphical LCD Interface The K70FN1MO processor includes an on chip graphical LCD controller module The module is not used directly on the TWR K70F120M board but the LCD signals are routed to the Secondary connector allowing the connection to an external LCD or additional circuitry on a Tower peripheral module The TWR LCD RGB will provide an LCD panel and all required external circuitry so that it can interface directly to the TWR K70F120M This is an easy way to evaluate the graphical LCD module on the K70 processor 2 6 DDR2 Memory The TWR K70F120M includes 1Gb of DDR2 memory MT47H64M16HR 25 The board also includes a DDR regulator that provides the main 1 8V supply for the memory and the processors SDRAM pads as well as VTT and VREF voltages 2 7 NAND Flash The TWR K70F120M includes 2Gb of SLC NAND flash memory MT29F2G15ABAEAWP The data lines used for the NAND flash are shared between the NAND flash controller and the FlexBus interface Internal arbitration
24. ry and Secondary Connectors Take care to avoid attempted simultaneous usage of mutually exclusive features Table 6 I O Connectors and Pin Usage Table Feature Connection Port Pin Pin Function OSJTAG USB to OSJTAG Bridge RX Data PTE17 UART2_RX serial Bridge OSJTAG Bridge TX Data PTE16 UART2_TX SD Clock PTE2 SDHCO_DCLK SD Command PTE3 SDHCO_CMD SD DataO PTE1 SDHCO_DO SD Card Slot SD Data1 PTEO SDHCO_D1 SD Data2 PTES SDHCO_D2 SD Data3 PTE4 SDHCO_D3 SD Card Detect PTE28 PTE28 ite ea Dan IR Transmit PTD7 CMT IRO IR Receive CMP2 IN SW1 IRQO PTDO PTDO Pushbuttons SW2 IRQ1 PTE26 PTE26 SW3 RESET RESET b RESET b E1 Touch PTA4 TSIO_CH5 Touch Pads E2 Touch PTB3 TSIO_CH8 E3 Touch PTB2 TSIO_CH7 E4 Touch PTB16 TSIO_CH9 El Orange LED PTA11 PTA11 LEDs E2 Yellow LED PTA28 PTA28 E3 Green LED PTA29 PTA29 E4 Blue LED PTA10 PTA10 TWR K70F120M Tower Module User s Manual Page 16 of 24 e eo so e freescale semiconductor Potentiometer Accelerometer General Purpose TWRPI Socket Touch Pad Segment LCD TWRPI Socket I2S SAI Header Potentiometer R71 I2C SDA I2C SCL INT1 INT2 TWRPI ANO J4 Pin 8 TWRPI AN1 J4 Pin 9 TWRPI AN2 J4 Pin 12 TWRPI IDO J4 Pin 17 TWRPI ID1 J4 Pin 18 TWRPI I2C SCL J5 Pin 3 TWRPI I2C SDA J5 Pin 4 TWRPI SPI MISO J5 Pin 9 TWRPI SPI MOSI J5 Pin 10 TWRPI SPI SS J5 Pin 11 TWRPI SPI CLK J5 Pin 12 TWRPI GPIOO J5 Pin 15 TWRPI GPIO1 J5 Pin 16 TWR
25. splay 5 LCD P37 Display a TN LCD P52 Displa LCD P38 Displa N MF TN LCD P53 Display LCD P39 Display ex TN LCD_P20 LCD_P40 Display LCD_D21 o mm LCD D22 3 3V 3V 3 3V Power TWR K70F120M Tower Module User s Manual Page 24 of 24
26. tal The EXTALO and EXTAL1 pins of the main external oscillators can also be driven directly from an external clock source The TWR K70F120M features a 50 MHz on board clock oscillator connected to EXTALO as seen in sheet 4 of the schematics However when the K70 Ethernet MAC is operating in RMII mode synchronization of the MCU input clock and the 50 MHz RMII transfer clock is important In this mode the MCU input clock must be kept in phase with the 50 MHz clock supplied to the external PHY Therefore the TWR K70F120M provides the option see jumper description in Table 5 to select the clock input to the MCU from 1 the on board 50MHz source or 2 an external clock from the CLKINO pin on the Primary Connector When the K70 is operating in Ethernet RMII mode the Tower peripheral module implementing the RMII PHY device should drive a 50 MHz clock on the CLKINO signal that is kept in phase with the clock supplied to the RMII PHY Refer to section 2 13 Ethernet for more information The TWR K70F120M also includes a 12MHz crystal connected to EXTAL1 XTAL1 2 3 System Power In stand alone operation the main power source for the TWR K70F120M module is derived from the 5 0V input from either the USB mini B connector J13 or the debug header J11 when a shunt is placed on jumper J12 A low dropout regulator provides a 3 3V supply from the 5 0V input voltage Refer to sheet 6 of the TWR K70F120M schematics for more details When installed int
27. uch TWRPI socket is defined in Table 3 Refer to Table 6 I O Connectors and Pin Usage Table for the specific K70 pin connections to the Touch TWRPI socket TWR K70F120M Tower Module User s Manual Page 12 of 24 z freescale semiconductor e T oe Ze Table 3 Touch TWRPI socket pinout Pin Description 4 3 3VVDDA 5 10 11 12 13 14 15 16 17 18 19 2 13 Ethernet The K70FN1MO features a 10 100 Mbps Ethernet MAC with MII and RMII interfaces The TWR K70F120M routes the RMII interface signals from the K70 MCU to the Primary Connector allowing the connection to an external Ethernet PHY device on a Tower peripheral module When the K70 Ethernet MAC is operating in RMII mode synchronization of the MCU clock and the 50 MHz RMII transfer clock is important The MCU input clock must be kept in phase with the 50 MHz clock supplied to the external PHY Therefore the TWR K70F120M provides the option see jumper descriptions Table 5 to clock the MCU from an external clock from the CLKINO pin on the Primary Connector The Tower peripheral module implementing the RMII PHY device should drive a 50 MHz clock on the CLKINO pin that is kept in phase with the clock supplied to the RMII PHY The TWR SER module that comes as part of the TWR K70F120M KIT provides a 10 100 Ethernet PHY that can operate in either MII or RMII mode By default the PHY is boot strapped to operate in MII mode therefore jumper configuration changes may
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