Microchip Technology DM300023 数据表

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页码 286
dsPIC30F1010/202X
DS70178C-page 146
Preliminary
©
 2006 Microchip Technology Inc.
FIGURE 13-1:
SPI MODULE BLOCK DIAGRAM 
Note:
The dsPIC30F1010/2020 devices do not contain the SS1 pin. Therefore, the Slave Select and Frame Sync
features cannot be used on these devices. These features are available on the dsPIC30F2023.
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