pic24hj12gp202 Microchip Technology Inc., pic24hj12gp202 Datasheet - Page 129

• Manufacturer Part Number: pic24hj12gp202
• Description: High-performance, 16-bit Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

FIGURE 14-2:
FIGURE 14-3:
FIGURE 14-4:
© 2007 Microchip Technology Inc.
Note 1:
2:
PROCESSOR 1 (SPI Master)
(MSTEN (SPIxCON1<5>) = 1)
Using the SSx pin in Slave mode of operation is optional.
User application must write transmit data to read received data from SPIxBUF. The SPIxTXB and SPIxRXB registers
are memory mapped to SPIxBUF.
SPI MASTER/SLAVE CONNECTION
SPI MASTER, FRAME MASTER CONNECTION DIAGRAM
SPI MASTER, FRAME SLAVE CONNECTION DIAGRAM
MSb
Serial Transmit Buffer
Serial Receive Buffer
Shift Register
(SPIxBUF)
(SPIxRXB)
(SPIxTXB)
SPI Buffer
(SPIxSR)
PIC24H
PIC24H
(2)
LSb
SDOx
SCKx
SDOx
SCKx
SDOx
SDIx
SDIx
SCKx
SSx
SDIx
SSx
Preliminary
Serial Clock
Serial Clock
Frame Sync
Pulse
Serial Clock
Frame Sync
Pulse
PIC24HJ12GP201/202
(SSEN (SPIxCON1<7>) = 1 and MSTEN (SPIxCON1<5>) = 0)
SDIx
SDOx
SCKx
SSx
SDIx
SDOx
SCKx
SSx
SDIx
SDOx
SCKx
SSx
(1)
PROCESSOR 2 (SPI Slave)
MSb
Serial Receive Buffer
Serial Transmit Buffer
PROCESSOR 2
PROCESSOR 2
Shift Register
(SPIxBUF)
(SPIxRXB)
(SPIxTXB)
SPI Buffer
(SPIxSR)
(2)
LSb
DS70282B-page 127