DLPU100B May 2020 – June 2024 DLP2021-Q1 , DLP3021-Q1
MOSI (master output, slave input):
| DATA | DESCRIPTION |
|---|---|
| CMD | Command byte. 0 for write |
| Address | 2-byte register address |
| Data | 4-byte register data |
| Checksum | Sum of all transmitted bytes including command, address, data. Discard overflow if sum exceeds 255. |
MISO (Master input, slave output):
| DATA | DESCRIPTION |
|---|---|
| CMD (ACK) | Echo of the received command from the master |
| Address (ACK) | Echo of the received address |
| Data | Echo of the received data |
Figure 6-1 SPI Write Command
Format