PIC16F818/819
FIGURE 10-2:
SPI™ MODE TIMING, MASTER MODE
SCK (CKP = 0,
CKE = 0)
SCK (CKP = 0,
CKE = 1)
SCK (CKP = 1,
CKE = 0)
SCK (CKP = 1,
CKE = 1)
bit 2
bit 7
bit 6
bit 5
bit 3
bit 1
bit 0
bit 4
SDO
SDI (SMP = 0)
bit 7
bit 0
SDI (SMP = 1)
bit 7
bit 0
SSPIF
FIGURE 10-3:
SPI™ MODE TIMING (SLAVE MODE WITH CKE = 0)
SS (Optional)
SCK (CKP = 0)
SCK (CKP = 1)
bit 2
bit 7
bit 6
bit 5
bit 3
bit 1
bit 0
bit 4
SDO
SDI (SMP = 0)
bit 7
bit 0
SSPIF
FIGURE 10-4:
SPI™ MODE TIMING (SLAVE MODE WITH CKE = 1)
SS
SCK (CKP = 0)
SCK (CKP = 1)
SDO
bit 2
bit 7
bit 6
bit 5
bit 3
bit 1
bit 0
bit 4
SDI (SMP = 0)
bit 7
bit 0
SSPIF
2004 Microchip Technology Inc.
DS39598E-page 75
MICROCHIP [ MICROCHIP ]
