TS-TPC-7990 FPGA GPIO Table
From embeddedTS Manuals
The FPGA GPIO can also be accessed through the sysfs API. These are available at GPIOs 224 to 255. Not all of the reserved pins are used on this design, but they will be reserved by the kernel.
| Name | GPIO Number | Default Crossbar Mode | Location |
|---|---|---|---|
| UART3_RXD (TTYMXC2_RXD) | 224 | ||
| UART5_RXD (TTYMXC4_RXD) | 225 | ||
| UART3_CTS (TTYMXC2_CTS) | 226 | ||
| UART4_RXD (TTYMXC3_RXD) | 227 | ||
| UART2_CTS (TTYMXC1_CTS) | 228 | ||
| UART3_RTS (TTYMXC2_RTS) | 229 | ||
| DIO_8 | 230 | GPIO (31) | |
| DIO_9 | 231 | GPIO (31) | |
| TXD1_485 | 232 | ||
| TXD2_485 | 233 | ||
| TXD3_485 | 234 | ||
| TXEN1_485 | 235 | ||
| TXEN2_485 | 236 | ||
| BT_EN | 237 | ||
| WL_EN | 238 | ||
| BT_CTS | 240 | ||
| BT_RXD | 241 | ||
| UART2_RXD (TTYMXC1_RXD) | 242 | ||
| DIO_0 | 243 | GPIO (31) | |
| DIO_1 | 244 | GPIO (31) | |
| DIO_2 | 245 | GPIO (31) | |
| DIO_3 | 246 | GPIO (31) | |
| DIO_4 | 247 | GPIO (31) | |
| DIO_5 | 248 | GPIO (31) | |
| DIO_6 | 249 | GPIO (31) | |
| DIO_7 | 250 | GPIO (31) | |
| FPGA_IRQ_1 | 251 | GPIO (31) | |
| Reboot | 254 | N/A (GPIO only) | |
| TTYMAX0_RXD | 268 | ||
| TTYMAX1_RXD | 269 | ||
| TTYMAX2_RXD | 270 | ||
| TXEN3_485 | 271 | ||
| COM1_TXD_232_3V | 272 | ||
| COM2_TXD_232_3V | 273 | ||
| COM3_TXD_232_3V | 274 | ||
| COM1_RTS_3V | 276 | ||
| TTYMAX0_CTS | 277 | ||
| TTYMAX1_CTS | 278 | ||
| TTYMAX2_CTS | 279 | ||
| MT_LCD_PRESENT | 284 | ||
| EN_SPKR | 285 |