Wf32 board reference manual Chipkit mx4 digilent Spi pic32 fig timing reproduced specify microchip
Lab 4c: communications Chipkit™ pro mx4 board reference manual
WF32 Board Reference Manual - Digilent Reference
ChipKIT™ PRO MX4 Board Reference Manual - Digilent Reference
Lab 4c: Communications - SPI Serial Protocols - Digilent Reference