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ManualsBrandsMICROCHIP TECHNOLOGY ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller SOIC 18 8-Bit 20 MHz I/O number 16
71727374757677787980
2004 Microchip Technology Inc. DS39598E-page 75
PIC16F818/819
FIGURE 10-2: SPI™ MODE TIMING, MASTER MODE
FIGURE 10-3: SPI™ MODE TIMING (SLAVE MODE WITH CKE = 0)
FIGURE 10-4: SPI™ MODE TIMING (SLAVE MODE WITH CKE = 1)
SCK (CKP = 0,
SDI (SMP = 0)
SSPIF
bit 7
bit 6 bit 5
bit 4
bit 3
bit 2
bit 1 bit 0
SDI (SMP = 1)
SCK (CKP = 0,
SCK (CKP = 1,
SCK (CKP = 1,
SDO
bit 7
bit 7 bit 0
bit 0
CKE = 0)
CKE = 1)
CKE = 0)
CKE = 1)
SCK (CKP = 0)
SDI (SMP = 0)
SSPIF
bit 7
bit 6 bit 5
bit 4
bit 3
bit 2
bit 1 bit 0
SCK (CKP = 1)
SDO
bit 7 bit 0
SS (Optional)
SCK (CKP = 0)
SDI (SMP = 0)
SSPIF
bit 7
bit 6 bit 5
bit 4
bit 3
bit 2
bit 1 bit 0
SCK (CKP = 1)
SDO
bit 7 bit 0
SS