PIC16F720_13 Datasheet, PDF (138/254 Pages) Microchip Technology – 20-Pin Flash Microcontrollers

PIC16(L)F720/721
FIGURE 17-2:
SPI MODE BLOCK
DIAGRAM
Read
Internal
Data Bus
Write
SSPBUF Reg
SDI
SDO
RA5/SS
RA0/SS
SSPSR Reg
bit 0
Shift ^{bit 7}
Clock
SS
Control
Enable
SSSEL
Edge
Select
SCK
TRISx
2
Clock Select
Edge
Select
4
2
TMR2
Output
Prescaler FOSC
4, 16, 64
SSPM<3:0>
DS41430D-page 138
 2010-2013 Microchip Technology Inc.