USB-LT02 User Manual
Contents
1. Figure 4 4 Memory Map 14 http www dagsystem com DAO SYSTEM USB LT02 Users Manual Rev 1 0 4 3 Connector Pin out The board has two connectors There are the USB B connector for USB communication the PIN OUT of DIP IC type connector for external I O and power And there is several test points USB B type is a connector for High speed USB connection Figure 4 5 and Table 1 shows the connector and its pin description 2 1 3 4 Figure 4 5 USB B Connector Front View Table 1 USB B Connector No Name Description Remark 1 VCC USB Power 5V 2 D USB Signal Minus Negative 3 D USB Signal Plus Positive 4 GND USB Power GND 15 http www dagsystem com DAO SYSTEM USB LT02 Users Manual Rev 1 0 USB LT02 Board P70 P71 P12 P13 PICI P14 P15 P16 P17 PIC2 P60 P61 P62 P63 P6C1 P64 P65 P66 P67 P6C2 USB LT02 DAQ system Www daqsystem com 28 27 26 25 54 23 22 21 SO 49 48 47 46 15 30 USB B type MICOM Swi OOOO Connector SS Ts Bs Bs 400506 7 Bs 9 AO AT AB AB 14 S GIG GIG VJ Vj Y _ Yj SO DSO Vj VY VY OS Ej YE O P57 P56 P55 P54 P5C2 P53 P52 P51 P50 P5C1 P47 P46 P45 P44 P4C2 P43 P42 P42. 2 TP4 Bit 4 of Port 6 2 Remark 1 A bit 7 of Port6 is connected to LED2 this bit is set up to output If output is Low and OV LED2 light on 2 There is a circuit to limit current to internal in case of Port6 If LED light on there is no need to limit special current resistor to external 3 The porti has same specification of porti of standard 8051 In other words it can set up weak pull up only 4 4 Sample Program A sample program is provided to make the user get familiar with the board operation There is no installation of special driver because USB HID device is used to driver with supported Windows system The sample program has two programs One is a program to decision whether the board is strange action or not The other is a program to set up I O of each port and to control output Dadi Usb Napp Figure 4 7 Sample Program 1 19 http www dagsystem com DAO SYSTEM USB LT02 Users Manual Rev 1 0 zu USB LT Program Il Port 4 Status Port 5 Status Part Configure Pd 000 5 000 P6 000 P 000 Port 6 Status Port and Status 1 2 3 4 5 6 H ROBI EE ee a EE ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON All Input OFF OFF OFF OFF OFF OFF OF OFF OFF OFF OFF OFF OFF OFF OF All Output Z 1 Port 1 0 1 12 USB OOIE 2 AHSG 1 9202 General Purpose 1 02 ARSE Ft SICK tet SIS Pull up AAA SECR 2 Port 72
3. 350V continuously current is 130mA eer P40 P41 From To Micom Port External P42 Figure 4 3 Photo Morse Semiconductor Relay Output Circuit 12 http www dagsystem com DAQ SYSTEM USB LT02 Users Manual Rev 1 0 11 P53 P52 P51 P50 P5C1 It is a Photo Morse Semiconductor Relay Output Terminal The maximum control voltage is 60V continuously current is 5500mA The circuit is same like Figure 4 3 12 P47 P46 P45 P44 P4C2 It is a Photo Morse Semiconductor Relay Output Terminal The maximum control voltage is 60V continuously current is 5500mA The circuit is same like Figure 4 3 13 P43 P42 P41 P40 P4C1 It is a Photo Morse Semiconductor Relay Output Terminal The maximum control voltage is 60V continuously current is 5500mA The circuit is same like Figure 4 3 Notice You shall certainly use it within prescribed voltage and current Otherwise a product can be damaged 13 http www dagsystem com DAO SYSTEM USB LT02 Users Manual Rev 1 0 4 2 Memory Map The board has a program memory and data memory as like general 8051 The program memory area is OTP type User can not reprogram it because of the board was programmed to supply in case of shipment So if you want special program You need more speedy response and private application please contact to DAQ system 16KByte Program Memory 256Byte Data Memory
4. H bh vi V vc Dn Mma m m m m iz a le mir cn en SSS SSS SS SSS BSB So we i el oe wir cf E x E z s Bl i msm d Boris oa 3 333552 8NE2ER N alal Sa SSF RB PBs 83 3 Z X 2 VV VII R el seis ta g z zzz zza z z ggz 5 E ca ra m OM 4 u lt 25 http www dagsystem com DAQ SYSTEM USB LT02 Users Manual Rev 1 0 A 3 Application Circuit Isolation Input Output It is used in the automations that used PC in case of USB LTO2 in order to simply input output that it used the established serial RS232 parallel printer ports The advantage of USB LTO2 has no program confliction because of using exclusive USB source on the other hand RS232 and printer ports have a confliction between programs because of using common source Also control Input output is possible as provide 31 I O If it exchange an input and output between different equipment like factory automations etc it use a photo coupler isolation in order to not to affect with mutual interference and influence at the below pictures External Power lt Photo coupler Input Circuit gt External Power lt Photo coupler Output Circuit gt A register value at the above pictures can use properly selection which it fit to the external power The industry power mainly uses 5V 12V 24V 48V 26 http www dagsystem com DAQ SYSTEM USB LT02 Users Manual Rev 1 0 A A USB LTO2 B We are selling the board which composed an interfa
5. game controllers go Storage volumes n System devices Universal Serial Bus controllers EE E E E E E E E Figure 3 3 Device Manager Window http www dagsystem com DAO SYSTEM USB LT02 Users Manual Rev 1 0 4 USB LTO2 Board In this chapter the primary functions of the board are described briefly For more information refer to the device specification 4 1 USB LTO2 Description USB LTO2 Board O P70 P71 P12 P13 PIC1 P14 P15 P16 P17 P1C2 P60 P61 P62 P63 P6C1 P64 P65 P66 P67 P6C2 USB LT02 DAQ system www dagsystem com s 27 es es es 23 ea 29 eo 49 43 1 1819 O 00000000000 gsm 20000000000 USB B type E 0000000000 Connector neon 500000000600 S 565 219 6 6 E16 6 0000606000008 4100000000000 S V GIG SO GV VY Yj Vj SS VY DVD Yj Vj SS O P57 P56 P55 P54 P5C2 P53 P52 P51 P50 P5C1 P47 P46 P45 P44 P4C2 P43 P42 P41 P40 PACI Figure 4 1 USB LTO2 Out side View In case of USB LTO2 as above picture can easily use I O simple circuit is composed it to own all around USB LTO2 board Each component explanation is as follows 1 USB B type Connector The USB LTO2 board connects to the PC
6. through the USB A B cable The power supply and data gives and takes through this cable 10 http www dagsystem com DAQ SYSTEM USB LT02 Users Manual Rev 1 0 2 LED1 It can confirm whether or not there is a stability of a board 3 LED2 It confirms supply power to board 4 MICOM It is 8bit Micro Controller which has the 8051 compatible command set It takes charge of I O and USB data communication 5 SW1 Board reset button 6 P70 P71 P12 P13 P1C1 It is a Photo coupler Input Terminal The input voltage can use 12V 24V no power polarity in design VCC VCC P71 From To External Micom Port P12 VCC Figure 4 2 Photo coupler Input Circuit 11 http www daqsystem com DAQ SYSTEM USB LT02 Users Manual Rev 1 0 7 P14 P15 P16 P17 P1C2 It is a Photo coupler Input Terminal The input voltage can use 12V 24V no power polarity in design The circuit is same like Figure 4 2 8 P60 P61 P62 P63 P6C1 It is a Photo coupler Input Terminal The input voltage can use 12V 24V no power polarity in design The circuit is same like Figure 4 2 9 P64 P65 P66 P67 P6C2 It is a Photo coupler Input Terminal The input voltage can use 12V 24V no power polarity in design The circuit is same like Figure 4 2 10 P57 P56 P55 P54 P5C2 It is a Photo Morse Semiconductor Relay Output Terminal The maximum control voltage is
7. 1 P40 PACI Figure 4 6 PIN OUT of Screw Terminal Type Table 2 Screw Terminal PIN OUT Name Description Remark P70 Port 7 0 Photo Coupler Input Refer to Figure 4 2 P71 Port 7 1 Photo Coupler Input Refer to Figure 4 2 P12 Port 1 2 Photo Coupler Input Refer to Figure 4 2 P13 Port 1 3 Photo Coupler Input Refer to Figure 4 2 P1C1 P70 P71 P12 P13 Common Input Refer to Figure 4 2 P14 Port 1 4 Photo Coupler Input Refer to Figure 4 2 P15 Port 1 5 Photo Coupler Input Refer to Figure 4 2 P16 Port 1 6 Photo Coupler Input Refer to Figure 4 2 P17 Port 1 7 Photo Coupler Input Refer to Figure 4 2 16 http www dagsystem com DAO SYSTEM USB LT02 Users Manual Rev 1 0 P1C2 P14 P15 P16 P17 Common Input Refer to Figure 4 2 P60 Port 6 0 Photo Coupler Input Refer to Figure 4 2 P61 Port 6 1 Photo Coupler Input Refer to Figure 4 2 P62 Port 6 2 Photo Coupler Input Refer to Figure 4 2 P63 Port 6 3 Photo Coupler Input Refer to Figure 4 2 P6C1 P60 P61 P62 P63 Common Input Refer to Figure 4 2 P64 Port 6 4 Photo Coupler Input Refer to Figure 4 2 P65 Port 6 5 Photo Coupler Input Refer to Figure 4 2 P66 Port 6 6 Photo Coupler Input Refer to Figure 4 2 P67 Port 6 7 Photo Coupler Input Refer to Figure 4 2 P6C2 P64
8. DAQ SYSTEM USB LT02 Users Manual Rev 1 0 USB LT02 User s Manual Windows Windows2000 Windows NT and Windows XP are trademarks of Microsoft We acknowledge that the trademarks or service names of all other organizations mentioned in this document as their own property Information furnished by DAQ system is believed to be accurate and reliable However no responsibility is assumed by DAQ system for its use nor for any infringements of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or copyrights of DAQ system The information in this document is subject to change without notice and no part of this document may be copied or reproduced without the prior written consent Copyrights 2005 DAQ system All rights reserved 1 http www daqsystem com DAQ SYSTEM USB LT02 Users Manual Rev 1 0 Contents 1 Introduction 2 USB LT02 Function 3 Installation 3 1 Confirm Product Contents 3 2 Installation Process 4 USB LT02 Board 4 1 USB LT02 Description 4 2 Memory Map 4 3 Connector Pin out 4 4 Sample Program 5 Test 5 1 Input Test 5 2 Output Test Appendix A 1 Dimension A 2 Schematic A 3 Application Circuit Isolation I O A 4 USB LT02 B Reference 2 http www dagsystem com DAO SYSTEM USB LT02 Users Manual Rev 1 0 1 Introduction USB LTO2 can control external device through simple provided API using
9. P65 P66 P67 Common Input Refer to Figure 4 2 P57 Port 5 7 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P56 Port 5 6 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P55 Port 5 5 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P54 Port 5 4 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P5C2 P54 P55 P56 P57 Common Output Refer to Figure 4 3 P53 Port 5 3 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P52 Port 5 2 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P51 Port 5 1 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P50 Port 5 0 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P5C1 P53 P52 P51 P50 Common Output Refer to Figure 4 3 P47 Port 4 7 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P46 Port 4 6 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P45 Port 4 5 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P44 Port 4 4 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P4C2 P44 P45 P46 P47 Common Output Refer to Figure 4 3 P43 Port 4 3 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P42 Port 4 2 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P41 Port 4 1 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P40 Port 4 0 Photo Morse Semiconductor Relay Output Refer to Figure 4 3 P4C1 P43 P42 P41 P40 Common Output Refer to Figure 4 3 N
10. SS 001408 ASE RICK 3 LEDE Port 02 22 ES ON WES TEH 00 85 OFFS 101 HEHE P1 Figure 4 8 Sample Program 2 When All Input Click To run the sample application program you need to use API Application Programming Interface which is a form of client DLL To compile the sample source to make its executable file you have to use Import Library files and Header files You can find them in the CDROM On LED On of each port Off LED Off of each port All Input The LED lights on all ports as Figure 4 8 All Output The LED goes out all ports as Figure 4 91 20 http www dagsystem com DAO SYSTEM USB LT02 Users Manual Rev 1 0 Port 5 Status Port Configure FFF rai m k a FFF po y Cai ES RH C gt E zj p ES o ag d E resi KZ zi Zi ONT ON ON ON ON ON ON ONT ON ON ON ON FFF OFF OFF OFF OFF OFF OFF OFF OF OFF OFF OFF OFF OFI FFF Port and 1 Status I 2 1 3 l l E i 6 f a ai ai Te Update OFF OFF OFF OFF OFF OFF OF OFF OFF OFF OFF OFF OF All Output Port 1 02 1 12 USB HIDIEY 2 ASE 9202 General Purpose V02 APSE IE SICK HEH SUHE Pull up MPAA GESELL 2 Port 72 22 Op HOS ANSE SICK 3 LEDS Pont T S 9 EST ON HES SER VOBSS 0 OFFS VOL HEHE Figure 4 9 When All Output Click 21 http www dagsystem com DAQ SYSTEM USB LT02 Users Manual Rev 1 0 5 Test 5 1 I
11. TO2 Functional Block Diagram Specification SIE 16Byte USB FIFO USB LT02 8Bit CPU 8051 Compatible Program Instruction I O Por I O Pond I O Port5 I O Port6 I O Port7 Isolated Photo coupler Input Isolated Solid State Relay Output Isolated Solid State Relay Output Isolated Photo coupler Input Isolated Photo coupler Input Input Output Internal program memory is taken possession of programmed firmware program memory is OTP One Time Programmable type GENERAL DESCRIPTION Low Speed device 1 5Mbps 0 A E E G USB HID Interface 8051 Compatible Instruction set 4 clocks per Instruction cycle 16K EPROM 256Bytes RAM USB Bus Powered http www dagsystem com DAO SYSTEM USB LT02 Users Manual Rev 1 0 APPLICATION Factory Automation Home Automation USB Data acquisition Temperature Humidity voltage current USB I O Control Remote Control Factory Control Module 9 1 Light Illumination Control SPECIFICATION m Interface USB Powered through USB B connector MAX 500mA 5V Single Power Operation 16 Isolated Photo coupler Input 16 Isolated Solid state Relay Output m Functions Micro Controller Two 16bit Timer Counter User configuration I O Schmitt trigger input Schmitt trigger input with pull up N Ch open drain output N Ch open drain output with pull up One Control endpoint Two Data
12. ce section only USB LTO2 B Type for USB LT user It control input in case of USB LTO2 B as it use USB LT Figure A4 1 USB LTO2 B Board Figure A4 2 USB LT Board 27 http www dagsystem com DAO SYSTEM USB LT02 Users Manual Rev 1 0 Figure A4 3 The connection with LTO2 B and USB LT 28 http www daqsystem com DAQ SYSTEM USB LT02 Users Manual Rev 1 0 References 1 USB 2 0 System Architecture Don Anderson USB SIG www usb org 2 Universal Serial Bus Specification Compaq Intel Microsoft NEC MindShare Inc Addison Wesley 3 USB LT User s manual DAQ system 4 AN201 How to build application using APIs DAQ system 5 AN342 USB LT02 API VER1 0 DAQ system 29 http www dagsystem com
13. e Manager window My Computer gt Properties gt Hardware gt Device Manager gt Human Interface Devices gt HID compliant device Open Explore Search e Manage My Ne Map Network Drive Pla Disconmect Network Drive Create Shortcut Delete Recy Rename Properties Figure 3 1 System Properties window 7 http www daqsystem com DAO SYSTEM USB LT02 Users Manual Rev 1 0 System Properties System Restore Automatic Updates Remote General Computer Name Hardware Advanced Device Manager The Device Manager lists all the hardware devices installed on your computer Use the Device Manager to change the properties of any device Drivers Driver Signing lets you make sure that installed drivers are compatible with Windows Windows Update lets you set up how Windows connects to Windows Update for drivers Hardware Profiles xa Hardware profiles provide a way for you to set up and store Be different hardware configurations Hardware Profiles Figure 3 2 System Properties window 8 http www dagsystem com Device Manager File Action View Help D S Gm a lt RA DAO SYSTEM USB LT02 Users Manual Rev 1 0 DER 2 DAQ COM d Computer See Disk drives 2 ened et 43 IDE ATAJATAPI Snia Keyboards 3 Mice and other pointing devices Monitors BB Network adapters F Ports COM amp LPT SB Processors O Sound video and
14. endpoint 30 external interrupt source m External connection e 4pin USB B type connector e 28pin DIP form factor Pin out 6 Test Point e 40 screw terminal SOFTWARE m Operating System Windows 2000 XP w Application Programming Interface Windows Client DLL API ml Software Development Windows Application by User Custom USB Device Firmware Custom Windows Client DLL 5 http www dagsystem com DA SYSTEM USB LT02 Users Manual Rev 1 0 3 Installation You confirm whether or not the packing contents are in good order before installation 3 1 Confirm Product Contents Figure 3 1 USB LTO2 Product Contents Product Contents 1 USB LT02 Board 2 USB A B Cable 3 CD Manual Source etc 6 http www daqsystem com DAQ SYSTEM USB LT02 Users Manual Rev 1 0 3 2 Installation Process For USB LTO2 board installation to PC is as follows There isn t a Jumper to especially to set up for board installation in case of USB boards as it is Plug amp Play devices Also there is no need to install of device driver because of HID Human Interface Device connection in case of USB LTO2 1 First open the box and connect to PC through USB cable 2 The opposite side of USB cable connects to USB LTO2 board 3 If cable connection succeeds LED light on for indication of board supply 4 It confirms a driver normally installation in the following ways Do the following steps to show up the Devic
15. even the developer who can never know USB Connection with the outside uses a screw terminal and it can easily connect There is special all around board which it is prepared a TEST POINT A simple circuit installs it to own board You don t need to use separately power supply for simple test because USB LTO2 uses PC power Specially an automation system and the input output circuit which can operate are composed Just usable to the automation control module that it don t damage to external equipment and own module Figure 1 1 shows that simple test to control 220V lamp with USB LTO2 Figure 1 1 USB LTO2 Action Notice 1 It can control the maximum AC DC 350V in case of port 54 57 can use continuously the minimum 130mA under Refer to Figure 3 1 2 It can control the maximum AC DC 60V in case of port 50 53 and port 40 47 can use continuously the minimum 550mA under Refer to Figure 3 1 3 http www dagsystem com DAQ SYSTEM USB LT02 Users Manual Rev 1 0 2 USB LT02 Function The USB LTO2 has simple structure for easy I O connection as like Figure 1 1 To connection USB and I O take charge of the 8Bit Micro Controller the command set equally use the 8051 command set Each I O port can set up whether or not there is what a user uses by input or output USB Interface USB Low Speed Device 2 0 Two 16Bit Timer Counter ROM OTP 16KByte RAM 256Byte Figure 2 1 USB L
16. l Rev 1 0 Appendix A 1 Dimension 115 6 P70 P71 P12 P13 P1C1 P14 P15 Pip P17 P1C2 P60 P61 P62 P63 P6C1 P64 P65 P66 P67 P6C2 A S SSSSSJS SOS S TS SS SIS 888 Y Y USB LT02 USB B type Connector 83 8 91 4 SS 988S8S S 8S8888 8 Yj Yj Ej 8 V VASJO P57 P56 P55 P54 P5C2 P53 P52 P51 P50 P5C1 P47 P46 P45 P44 P4C2 P43 P42 P41 P40 P4C1 Y si lt Top View gt lOuOdoOoDODODODODOGEGO lt Right Side View gt 24 http www dagsystem com DAO sy srem USB LT02 Users Manual Rev 1 0 A 2 USB LT02 Schematic USB LTO2 is making our USB LT with basis use same circuit Z 5 ke Cp we an e i 28 B Ju 5 i D R 3 i CIE e Ka s z E T BE o n s s e 8 15 E lt a LE TI Z 2 4 p7 S n 8 T Ze sm 5 5 ao n na 7 BASSES SSS SSS 3 p AA AAA z i q a 35255238 S a DAI 2L 88 3 an P65 1 e DS oo 7 36 PBS DE K 3 Pes 2 deng E degt 35 P20 E PE 3 elas nda 34 Pai 59 Pez 4 me Pal Ca Paz ra PGE gt 47 a P61 5 sez na i 32 P43 d EI Peo a ra La 3 60 ca 7 deg sep 30 pas E DI7 a e Pas 20 Pas 22 CO a pi sua 28 Pag 2 P15 10 eg ds 27 Par 5 Pis PI sit 26 P50 P13 12 ba 25 PSI ma PSI BSSSSSREEL ER GG Z a a s a 5 3 UN RR j S d e vi V 232 3 Z Z FBS vo vi V V
17. nput Test This chapter is for test to learn how to operate a board and check the abnormality of a board The test performs it at the PC which a USB LTO2 board was installed as it use a program of samplel exe in an EXE folder of CDROM The execution file and source file of samplel and sample2 is in App and AppO folder of CDROM The execution file use a test a user modifies a necessary a sample source file that provided it usable zw Usb_Napp zw Usb_Napp Input Switch State Input Switch State o J m Output m Output ON ON OFF Figure 5 1 Sample1 exe In the left LED is on at the above pictures in the right LED is off If an input of bitl of port6 is 1 LED is on on the contrary to this LED is off In other words If TPO connect to VCC 5V LED is on IF TPO connect to GND LED is off At this time the bitl of port6 is used to set up by input at the above programs 22 http www dagsystem com DAO SYSTEM USB LT02 Users Manual Rev 1 0 5 2 Output Test 1 You can test of output function through LED is on off in a board at below pictures Figure 5 2 LED On Off Display In the top LED is off in the bottom LED is on If an output of bit7 of port6 is 0 LED is on on the contrary to this LED is off User can test to press ON OFF button at the Samplel programs 23 http www dagsystem com DAQ SYSTEM USB LT02 Users Manua
18. otice 1 lt can control the maximum AC DC 350V in case of port 54 57 can use continuously the minimum 130mA under 2 lt can control the maximum AC DC 60V in case of port 50 53 and port 40 47 can use continuously the minimum 550mA under 17 http www dagsystem com DAQ SYSTEM USB LT02 Users Manual Rev 1 0 Table 3 DIP IC PIN OUT Pin No Name Description Remark 1 P53 Bit 3 of Port 5 2 P52 Bit 2 of Port 5 3 P51 Bit 1 of Port 5 4 P50 Bit 0 of Port 5 5 P47 Bit 7 of Port 4 6 P46 Bit 6 of Port 4 7 P45 Bit 5 of Port 4 8 P44 Bit 4 of Port 4 9 P43 Bit 3 of Port 4 10 P42 Bit 2 of Port 4 11 P41 Bit 1 of Port 4 12 P40 Bit 0 of Port 4 13 P66 Bit 6 of Port 6 2 14 GND Power Ground Supply power to external board 15 P65 Bit 5 of Port 6 16 P17 Bit 7 of Port 1 3 17 P16 Bit 6 of Port 1 3 18 P15 Bit 5 of Port 1 3 19 P14 Bit 4 of Port 1 3 20 P13 Bit 3 of Port 1 3 21 P12 Bit 2 of Port 1 3 22 P71 Bit 1 of Port 7 23 P70 Bit 0 of Port 7 24 P57 Bit 7 of Port 5 25 P56 Bit 6 of Port 5 26 P55 Bit 5 of Port 5 27 P54 Bit 4 of Port 5 28 5V USB power 5V Supply power to external board 18 http www dagsystem com DAQ SYSTEM USB LT02 Users Manual Rev 1 0 Table 4 Test Point PIN OUT Name Description Remark TPO Bit 0 of Port 6 2 TP1 Bit 1 of Port 6 2 TP2 Bit 2 of Port 6 2 TP3 Bit 3 of Port 6
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