MPC1119 DAT
pin definitions
The following two GPIOs are not used at all and free:
- pin SC to raspberry pi pin ID_SC
- pin SD to raspberry pi pin ID_SD
Extra pins Used by Chain P3:
- to use the extra pins, you need to cut the jumpers to release them from the chip below, and chain P3 can not be used anymore.
Debug Port:
-
RX GND (some boards mark could be reversed): UART_RX debug, or ROW_E set to ground
Wiring
- If you supply power to matrix panels separately, the converter board MPC1119 will be power supplied by pins, no need extra power supply.
- If you supply all power from one port on the converted board, you can connect the power supply to matrix panels from another port.
- Voltage should be no more than 5.5V.
Legacy Wiki
-
RMP Guide - https://w.electrodragon.com/w/RPI_RMP_Guide#P3/P464x64(tested)