PIC18C242 MICROCHIP [Microchip Technology], PIC18C242 Datasheet - Page 126

• Manufacturer Part Number: PIC18C242
• Description: High-Performance Microcontrollers with 10-Bit A/D
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18CXX2
FIGURE 14-5: SPI MODE WAVEFORM (SLAVE MODE WITH CKE = 0)
FIGURE 14-6: SPI MODE WAVEFORM (SLAVE MODE WITH CKE = 1)
DS39026B-page 126
SS
optional
SCK
(CKP = 0
CKE = 0)
SCK
(CKP = 1
CKE = 0)
Write to
SSPBUF
SDO
SDI
(SMP = 0)
Input
Sample
(SMP = 0)
SSPIF
Interrupt
Flag
SSPSR to
SSPBUF
SS
not optional
SCK
(CKP = 0
CKE = 1)
SCK
(CKP = 1
CKE = 1)
Write to
SSPBUF
SDO
SDI
(SMP = 0)
Input
Sample
(SMP = 0)
SSPIF
Interrupt
Flag
SSPSR to
SSPBUF
bit7
bit7
bit7
bit7
bit6
bit6
bit5
bit5
Preliminary
bit4
bit4
bit3
bit3
bit2
bit2
bit1
bit1
7/99 Microchip Technology Inc.
bit0
bit0
bit0
bit0
Next Q4 cycle
after Q2
Next Q4 cycle
after Q2