User`s Manual
Contents
1. 2 2 6 Power supply Both 3 3 V and 5 V VCC power can be used supplied either from USB or as self powered device from external source via PWR P7 13 I O voltage VCC source 3VI OUSB powered open short open short 5VI OUSB powered open open short short 3 010 3 6 V I O self powered short short open open 3 4 to 5 5 V I O self powered short open short open Hs audits d JJ Note 1 3 0V to 3 6 V can be supplied via PWR P7 26 2 3 4 V to 5 5 V can be supplied via PWR P7 26 VCC presence no matter what the power source is is indicated by the green VCC ON LED D3 2 2 7 SP connector The ISP 6 pin P5 connector is intended for in circuit programming and debugging via debugWIRE RST pin If this connectors is in use it is not recommended although is possible by providing isolation resistors see Atmel AVR042 AVR Hardware Design Considerations to use corresponding MCU pins as generic l Os ISP connector is connected as follows 11 embeddedglow com SBAT90USB162a Development Board User s Manual w Pin Pin3SCK HRS GNE r PnfMSO X Pin4 MOSI X ISP connector pinout 1 2 MISO VCC VTG SCK MOSI RST GND The debugWIRE interface uses only one pin the RST pin for communication with the target device To enable the debugWIRE interface on an AVR device the DWEN fuse2. SBAT90USB162a Atmel AT90USB162 Development Board User s manual embeddedglow com SBAT90USB162a Development Board User s Manual 1 INTRODUCTION Thank you for choosing the SBAT90USB162a Atmel AT90USB162 development board This board is designed to give a quick and cost effective start to develop code and for hardware prototyping and testing 1 1 OVERVIEW embeddedglow com This document describes the SBAT90USB162a development board a cost effective yet feature rich flexible and easily configurable development tool designed to allow easy coding and prototyping One of today s most widely used MCUS offering native USB support is the Atmel amp AT90USB162 It provides an easy way to add USB functionality to any new design along with hundreds of different projects that are available The SBAT90USB162a is an Atmel AT90USB162 development board This board is a cost effective yet feature rich highly compatible flexible and easily configurable development tool designed to give a quick start to develop code and for hardware prototyping and testing It is a clean in design solution but still providing configurability and flexibility not available with other products The board provides all the basic circuitry needed to work with AT90USB162 USB connector and circuit crystal Reset and HWB buttons power LED power source voltage configuration circuitry ISP header The board offers flexible power configurable v
3. UCAP PDO INTO OC 0B UGND PD1 INTI AINO PD2 INT2 AINI RXD1 D SCK PD3 INT3 TXD1 D SDATA PD4 INTS PDS PCINT12 XCK UVCC PD6 INT6 RTS AVCC PD7 INT7 TO HWB CTS VCC GND GND Pad AT90USB162 8 embeddedglow com SBAT90USB162a Development Board User s Manual 2 2 BOARD DESCRIPTION AND CONFIGURATION 2 2 1 Clock By default the clock is internal from 0 9 16 MHz crystal oscillator or internal calibrated RC oscillator External clock via XT1 P6 12 is also possible For using external clock CKSEL fuses must be programmed see AT90USB162 datasheet Note 1 Default is 8 MHz crystal other is possible by request 2 XT2 PCO can be used as generic I O depending on MCU configuration 2 2 2 Reset button S2 Cold reset can be done manually by RST button S2 2 2 3 HWB button S1 The hardware boot button allows forcing bootloader execution after reset see AT90USB162 datasheet thus allowing MCU programming via USB without external programmer The HWB mode is active only when the HWBE fuse is enabled In that case PD7 HWB pin is configured as input during reset and sampled during reset rising edge Programming via USB is based on pre programmed USB bootloader located in the on chip boot section of the AT90USB162 This is the easiest and fastest way to reprogram the device directly over the USB interface but with certain limitations To force bootloader execution operate as follows e P
4. allows forcing bootloader stock Atmel or third party execution at reset see AT90USB162 datasheet allows MCU programming via USB without external programmer I O pin is still useable for other purposes ISP 6 pin connector supporting in circuit programming and debugging via debugWIRE FR 4 1 5 mm PCB with all terminals and components clearly marked accepting TQFP 32 7x7 mm body size 0 8 mm lead pitch 1 3 SPECIFICATIONS AT90USB162 Max clock frequency 8 MHz at 2 7 V 16MHz at 4 5 V Flash memory 16 kBytes 10 000 write cycles 512 Bytes static USB 2 0 full speed 12 Mbps Device mode 176 Bytes pM Programming Via USB and hardware initiated bootloader or ISP connector I SPI port Debugging Via debugWIRE interface ISP connector Operating voltage 2 to 5 5V Operating temperature Industrial range 40 C to 85 C 38 x 38 mm 1 5 x 1 5 in FR 4 1 5 mm 8 25 g 1 4 COMPATIBILITY embeddedglow com As all MCU I O pins are accessible and all MCU powering and clocking options are available the SBAT90USB162a is compatible with virtually every project and development tool designed for AT90USB162 and AVR MCUs SBAT90USB162a Development Board User s Manual 1 5 OLDER VERSIONS Earlier version of this board was known as SBAT90USB162 and SBAT90UBS82162 1 6 MCU OVERVIEW The AT90USB162 is a low power CMOS 8 bit microcontroller based on the AVR enhanced RISC architecture By executing powerful inst
5. PD7 PD0 PC7 PC0 PB7 PB0 a q o a Ww x x x ae up um r Y v v Y v Y N 7 PORTD DRIVERS PORTC DRIVERS PORTB DRIVERS x gy CALEL IOI ELL TEH SHIS TETIT eod s lt DATA REGISTER DATA DIR DATA REGISTER DATA DIR DATA REGISTER DATA DIR lt PORTD REG PORTD PORTC REG PORTC PORTB REG PORTB a d 8 BIT DA TA BUS JNE d p a VCC m z oO m POR BOD qp PROGRAM L COUNTER Debug Wire I D PROGRAM ON CHIP DEBUG 4 FLASH PROGRAMMING i i LOGIC INSTRUCTION REGISTER INSTRUCTION ON CHIP DECODER 33V REGULATOR UVcc CONTROL tuF LINES a ny D SCK gt D SDATA ee ee ee eee 1 6 3 Memory map Program Memory Data Memory 6xo0000 0000 001F 64 I O Registers 0020 005F 160 E xtl O Reg 0060 00FF 1 0100 Internal S RAM 512 x 8 2FF Boot Flash Section Ox3FFF 16KBytes Ox1FFF 8KBytes embeddedglow com SBAT90USB162a Development Board User s Manual 2 USING THE SBAT90USB162a This section describes the board and all its features embeddedglow com SBAT90USB162a Development Board User s Manual 2 1 SCHEMATIC Y1 0 9 16MHz XTAL1 XTAL2 PCO _ PB0 PCINTO SS el Reset PC1 dW PB1 PCINTI SCLK sae PB2 PCINT2 MOSI PDI lt P K PC2 PCINT11 PB3 PCINT3 MISO PDO PC4 PCINT10 PB4 PCINT4 T1 PC5 PCINT9 OC 1B PBS PCINT5 Vce Some PC6 OC 1A PCINTS PB6 PCINT6 PU i PC7 INT4 ICP1 CLKO PB7 PCINT7 OC 0A OC 1C
6. must be programmed DWEN 0 AVR devices featuring debugWIRE are shipped with the DWEN fuse unprogrammed ISP or High Voltage Programming is required to enable debugWIRE In order to use the ISP interface the SPIEN fuse must be programmed 2 2 8 Extension headers EXTA EXTB P6 P7 embeddedglow com Extension headers provide connection to other devices and circuitry allowing access to all MCU I O pins and other signals EXTA and EXTB fit any 100mil 2 54mm linear connector thus providing connectivity with virtually any 100mil 2 54mm universal or breadboard Direct interfacing is of course also possible Headers length and spacing between them is 1200mil 30 48mm see BOARD LAYOUT AND DIMENSIONS Extension headers pinout GND XT1 XT2 PC2 PC4 PC5 PC6 PC7 PB3 PB4 PB5 PB6 PB7 13 1211109 8 7 6 5 4 4 2 1 EXTA P6 EXTB P7 14 15 16 17 18 19 20 21 22 23 24 25 26 PDO PD1 PD2 PD3 PD4 PDS PD6 PD7 PBO PB1 PB2 VCC PWR NOU UP Boro ON e 1 m SBAT90USB162a Development Board User s Manual 3 BOARD LAYOUT AND DIMENSIONS 160 4mm 100mil LLX Z1X 9d Od S2d 99d 9d 8d pad SAd 9 9 C co T z E m ot e eS 7 ce lt z Es el l 5 e e x 4 28 t ot M u E e gay k 0 PD1 PD2 PD3 PD4 PD5 PD6 PD7 PB0 PB1 PB2 VCC P 1200mil 38mm 1 5 embeddedglow com SBAT90USB162a Development Board User s Manual Disclaimer A
7. double buffer Suspend Resume Interrupts Microcontroller reset on USB Bus Reset without detach USB Bus Disconnection on Microcontroller Request USB pad multiplexed with PS 2 peripheral for single cable capability Peripheral Features PS 2 compliant pad 4 embeddedglow com SBAT90USB162a Development Board User s Manual embeddedglow com One 8 bit Timer Counters with Separate Prescaler and Compare Mode two 8 bit PWM channels One 16 bit Timer Counter with Separate Prescaler Compare and Capture Mode three 8 bit PWM channels JUSART with SPI master only mode and hardware flow control RTS CTS Master Slave SPI Serial Interface Programmable Watchdog Timer with Separate On chip Oscillator On chip Analog Comparator Interrupt and Wake up on Pin Change On Chip Debug Interface debugWIRE Special Microcontroller Features Power On Reset and Programmable Brown out Detection Internal Calibrated Oscillator External and Internal Interrupt Sources Five Sleep Modes Idle Power save Power down Standby and Extended Standby I O and Packages 22 Programmable I O Lines QFN32 5x5 mm TQFP32 packages Operating Voltages 2 7 5 5V Operating temperature Industrial 40 C to 85 C Maximum Frequency 8MHzz at 2 7 V Industrial range 16 MHz at 4 5 V Industrial range SBAT90USB162a Development Board User s Manual 1 6 2 Block diagram s 9 lG
8. ia jumpers both 3 3 V and 5 V USB powered or from external supply The board also features 100 mil headers making it breadboard friendly and easily connectable to any universal board or prototyping environment Board design makes it compatible with other similar development boards featuring same or similar MCUs and virtually all design development software and libraries including open source MCU comes pre programmed with a bootloader allowing code to be programmed into the chip without any external programmer simply by using FLIP software from Atmel To enter the bootloader mode the RST button should be pressed and hold then the HWB button pressed and the RST button released An ISP programmer still can be used via dedicated ISP header as well as debugger like JTAGICE via same header SBAT90USB162a Development Board User s Manual 1 2 FEATURES Flexible power 3 3 V or 5 V from USB bus or external 3 0 V to 5 5 V All MCU I O pins are accessible 100 mil extension headers for connection to universal or breadboards or direct interfacing with other devices providing access to all I O pins and virtually all signals Mini USB connector USB 2 0 full speed 12 Mbps Device mode supported Dedicated headers for USB signals D D VBUS Built in 0 9 16 MHz crystal default 8 MHz Internal or external clock Optional transient voltage suppression for USB data lines Reset RST button Hardware boot HWB button
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11. ress both RST and HWB buttons e Release the RST button e Release the HWB button embeddedglow com SBAT90USB162a Development Board User s Manual FLIP Flexible In system Programmer is the software provided by Atmel to do in system programming of Flash devices through RS232 USB or CAN For further details regarding programming via USB please refer to FLIP documentation Note In order to use FLIP driver installation is required USB drivers come with FLIP and can be found in its install folder With Windows operating system depending on version used digitally signed drivers might be required As they may not be supplied by Atmel third party signed drivers can be downloaded from the net Maxidax Ltd doesn t supply any drivers Tip After programming is complete press the RST button Other bootloaders are also supported 2 2 4 USB connector embeddedglow com Mini B USB P1 is available USB Mini connector pinout 2 D Data 4 ID NCfortype B soc SBAT90USB162a Development Board User s Manual Note 1 New unprogrammed AT90USB162 device is seen via USB as AT90USB162 DFU To use USB driver installation is required USB drivers can be downloaded from Atmel s site http atmel com Third party drivers are also available on the net 2 2 5 USB data lines transient voltage suppression Data lines protection is available by using optional transils D1 and D2
12. ructions in a single clock cycle the AT90USB162 achieves throughputs approaching 1 MIPS per MHz allowing optimization of power consumption versus processing speed 1 6 1 Features High Performance Low Power AVR 8 Bit Microcontroller Advanced RISC Architecture 125 Powerful Instructions Most Single Clock Cycle Execution 32 x 8 General Purpose Working Registers Fully Static Operation Upto 16 MIPS Throughput at 16 MHz Non volatile Program and Data Memories 8K 16K Bytes of In System Self Programmable Flash e Endurance 10 000 Write Erase Cycles Optional Boot Code Section with Independent Lock Bits USB boot loader programmed by default in the factory e In System Programming by on chip Boot Program hardware activated after reset e True Read While Write Operation 512 Bytes EEPROM e Endurance 100 000 Write Erase Cycle 512 Bytes Internal SRAM Programming Lock for Software Security USB 2 0 Full speed Device Module with Interrupt on Transfer Completion Complies fully with Universal Serial Bus Specification REV 2 0 48 MHz PLL for Full soeed Bus Operation data transfer rates at 12 Mbit s Fully independent 176 bytes USB DPRAM for endpoint memory allocation Endpoint 0 for Control Transfers from 8 up to 64 bytes 4 Programmable Endpoints e Nor Out Directions e Bulk Interrupt and Isochronous Transfers e Programmable maximum packet size from 8 to 64 bytes e Programmable single or
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