DSPIC33FJ12MC202 Microchip Technology Inc., DSPIC33FJ12MC202 Datasheet - Page 177

• Manufacturer Part Number: DSPIC33FJ12MC202
• Description: High-performance, 16-bit Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

FIGURE 16-2:
FIGURE 16-3:
FIGURE 16-4:
© 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 or read received data from SPIxBUF. The SPIxTXB and SPIxRXB regis-
ters 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)
dsPIC33F
dsPIC33F
(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
dsPIC33FJ12MC201/202
(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
DS70265B-page 175