PIC24FV16KM204 Datasheet, PDF (160/336 Pages) Microchip Technology – General Purpose, 16-Bit Flash Microcontroller with XLP Technology Data Sheet

PIC24FV16KM204 FAMILY
FIGURE 14-1:
MSSPx BLOCK DIAGRAM (SPI MODE)
Read
Write
Internal Data Bus
SSPxBUF
SDIx
SDOx
SSPxSR
bit 0
Shift Clock
SSx
SSx Control Enable
Edge
Select
SCKx
2
Clock Select
SMP:CKE
2
Edge
Select
SSPM<3:0>
SSPxADD<7:0>
4
( ) ^{TMR2 Output}
7
2
Baud
Rate
Prescaler TOSC ^Generator
4, 16, 64
Data to TXx/RXx in SSPxSR
TRIS bit
Note: Refer to the device data sheet for pin multiplexing.
FIGURE 14-2:
SPI MASTER/SLAVE CONNECTION
SPI Master SSPM<3:0> = 00xx
SDOx
SDIx
SPI Slave SSPM<3:0> = 010x
Serial Input Buffer
(SSPxBUF)
Serial Input Buffer
(SSPxBUF)
Shift Register
(SSPxSR)
MSb
LSb
PROCESSOR 1
SDIx
SCKx
Serial Clock
SDOx
SCKx
Shift Register
(SSPxSR)
MSb
LSb
PROCESSOR 2
DS33030A-page 160
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