Microchip Technology AC244045 Data Sheet
PIC16F72X/PIC16LF72X
DS41341E-page 168
© 2009 Microchip Technology Inc.
FIGURE 17-2:
SPI MODE BLOCK
DIAGRAM
DIAGRAM
Read
Write
Internal
Data Bus
SDI
SDO
RA5/SS
SCK
SSPSR Reg
SSPBUF Reg
SSPM<3:0>
bit 0
Shift
Clock
SS
Control
Enable
Control
Enable
Edge
Select
Clock Select
TMR2
F
OSC
Prescaler
4, 16, 64
TRISx
2
4
RA0/SS
SSSEL
Output
÷2
Edge
Select
bit 7