- Drive column lines via SPI0 (FreeRTOS)
- Drive row lines via GPIO (FreeRTOS)
- Display fixed image
- Get image data via SPI
| Description | MCU pin name | FRDM board pin name | ASC333 IC:pin | ASC333 wire color | Notes |
|---|---|---|---|---|---|
| Ground | black | ||||
| Row bit 0 | PTA5 |
D5 | U3:1 (P1.0) | brown | |
| Row bit 1 | PTC8 |
D6 | U3:2 (P1.1) | red | |
| Row bit 2 | PTA13 |
D8 | U3:3 (P1.2) | orange | |
| Row bit 3, green | PTD5 |
D9 | U3:4 (P1.3) | yellow | |
| Row bit 3, red | PTD0 |
D10 | U3:5 (P1.4) | green | |
| Column clock | SPI0_CLK |
D13 | U9:6 | blue | |
| Column strobe | PTD2 |
D11 | U9:3 | purple | Do not use SPI0 SS: it strobes every 8 bits. This one must strobe only after a full 85-bit string is sent. |
| Column data | SPI0_SOUT |
D12 | U8:5 | gray |