Page History
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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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Overview
CPLD Device with designator U1: LCMX02-256HC. Firmware with Standard Configuration for XMOD.
Feature Summary
- JTAG routing
- Pinheader routing
Firmware Revision and supported PCB Revision
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Product Specification
Port Description
| Name / opt. VHD Name | Direction | Pin | Description |
|---|---|---|---|
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| 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 |
Functional Description
JTAG
Power
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JTAG signals routed directly through the CPLD to 12 pin pinheader. Access between CPLD and pinheader can be multiplexed via JTAGEN (logical one for CPLD, logical zero for pinheader).
UART
UART is routed through the CPLD.
| Output | Input |
|---|---|
| B | BDBUS0 |
| BDBUS1 | A |
LED
ULED D4 (RED) is E xor not G
Appx. A: Change History and Legal Notices
Revision Changes
- REV01 to older REV01
- no logical changes
Document Change History
To get content of older revision got to "Change History" of this page and select older document revision number.
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| Date | Document Revision | CPLD Firmware Revision | Supported PCB Revision | Authors | Description | |||||||||||||||||||||||||||
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| REV01 | REV03, REV02 |
| No 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 | |||||||||||||||||||||||||||
| All |
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Legal Notices
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Overview
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