Microchip Technology MA330013 Datenbogen
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dsPIC33F
DS70165E-page 206
Preliminary
©
2007 Microchip Technology Inc.
FIGURE 17-1:
SPI MODULE BLOCK DIAGRAM
Internal Data Bus
SDIx
SDOx
SSx
SCKx
SPIxSR
bit 0
Shift Control
Edge
Select
F
CY
Primary
1:1/4/16/64
Enable
Prescaler
Sync
SPIxBUF
Control
Transfer
Transfer
Write SPIxBUF
Read SPIxBUF
16
SPIxCON1<1:0>
SPIxCON1<4:2>
Master Clock
Clock
Control
Secondary
Prescaler
1:1 to 1:8
SPIxRXB
SPIxTXB