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| Pin Name | J4 Pin Number | J5 Pin Number | Signal | Note |
|---|---|---|---|---|
| A | 1 | 10 | UART TXD | |
| B | 3 | 8 | UART RXD | - |
| C | 2 | 9 | TCK | - |
| D | 4 | 7 | TDO | - |
| E | 5 | 6 | LED on TE0790 | usable as GPIO |
| F | 6 | 5 | TDI | - |
| G | 7 | 4 | Button on TE0790 | usable as GPIO |
| H | 8 | 3 | TMS | - |
| VIO | 9 | 2 | VCC / VCCIO- | depends on TE0790 voltage settings |
| GND | 10 | 1 | Ground | - |
Table 4: IDC connector J4 and J5 signal assignment with standard TE0790 CPLD firmware
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| Pin Name | J3 Pin Number | J6 Pin Number | Signal | Note |
|---|---|---|---|---|
| C | 6 | 1 | TCK | - |
| D | 5 | 2 | TDO | - |
| F | 4 | 3 | TDI | - |
| H | 3 | 4 | TMS | - |
| VIO | 2 | 5 | VCC / VCCIO- | depends on TE0790 voltage settings |
| GND | 1 | 6 | Ground | - |
Table 5: IDC connector J3 and J6 signal assignment with standard TE0790 CPLD firmware
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