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| PIC18F23K22 Datasheet, PDF (215/492 Pages) Microchip Technology – 28/40/44-Pin, Low-Power, High-Performance Microcontrollers with nanoWatt XLP Technology | |||
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PIC18(L)F2X/4XK22
FIGURE 15-7:
SPI DAISY-CHAIN CONNECTION
SPI Master
SCLK
SDOx
SDIx
General I/O
SCLK
SDIx
SDOx
SSx
SPI Slave
#1
SCLK
SDIx
SDOx
SSx
SPI Slave
#2
SCLK
SDIx
SDOx
SSx
SPI Slave
#3
FIGURE 15-8:
SSx
SCKx
(CKP = 0
CKE = 0)
SCKx
(CKP = 1
CKE = 0)
Write to
SSPxBUF
SSPxBUF to
SSPxSR
SLAVE SELECT SYNCHRONOUS WAVEFORM
Shift register SSPxSR
and bit count are reset
SDOx
SDIx
Input
Sample
SSPxIF
Interrupt
Flag
SSPxSR to
SSPxBUF
bit 7
bit 6
bit 7
bit 7 bit 6
bit 7
bit 0
bit 0
ï£ 2010 Microchip Technology Inc.
Preliminary
DS41412B-page 215
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