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Online version of this manual and other related documents can be found at https://wiki.trenz-electronic.de/display/PD/SC-CPLD-Firmware |
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Table of contents
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Product Specification
Port Description
| Name / opt. VHD Name | Direction | Pin | Description |
|---|---|---|---|
| A | in | 8 | XMOD Pin Header / UART RXD (input to adapter) |
| ACBUS4 | 27 | FTDI / currently_not_used | |
| ACBUS5 | 28 | FTDI / currently_not_used | |
| ADBUS4 | 5 | FTDI / currently_not_used | |
| B | out | 12 | XMOD Pin Header / UART TXD (output from adapter) |
| BDBUS2 | in | 21 | FTDI / currently_not_used |
| BDBUS3 | out | 20 | FTDI / currently_not_used |
| C | out | 9 | XMOD Pin Header / TCK |
| D | in | 11 | XMOD Pin Header / TDO |
| E | in | 14 | XMOD Pin Header / LED |
| F | out | 13 | XMOD Pin Header /TDI |
| FT_B_RX / BDBUS1 | out | 25 | FTDI |
| FT_B_TX / BDBUS0 | in | 23 | FTDI |
| G | in | 17 | XMOD Pin Header / Pushbutton S1 |
| H | out | 16 | XMOD Pin Header / TMS |
| JTAGEN | in | 26 | Enable JTAG access to CPLD for Firmware update (zero: normal IOs, one: CPLD JTAG access). Selectable over S2-1 |
| TCK / ADBUS0 | in | 30 | FTDI |
| TDI / ADBUS1 | in | 32 | FTDI |
| TDO / ADBUS2 | out | 1 | FTDI |
| TMS / ADBUS3 | in | 29 | FTDI |
| ULED | out | 10 | LED D4 (RED) |
| XCLK | in | 4 | 12 MHz OSCI Ref CLK / currently_not_used |
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Functional Description
JTAG
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| Date | Document Revision | CPLD Firmware Revision | Supported PCB Revision | Authors | Description | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| REV01 | REV03, REV02 |
| REV01 finishedNo changes, also PCB REV03 compatible | ||||||||||||||||||||||
| 2017-04-26 | v.7 | REV01 | REV02 | John Hartfiel | REV01 finished (rework without logical changes released 2017-04-04) | ||||||||||||||||||||||
| 2016-04-11 | v.1 | --- | REV02 |
| Initial release | ||||||||||||||||||||||
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Legal Notices
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Overview
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