PIC16F818/819
FIGURE 10-2:
SCK (CKP =
0,
CKE =
0)
SCK (CKP =
0,
CKE =
1)
SCK (CKP =
1,
CKE =
0)
SCK (CKP =
1,
CKE =
1)
SDO
SDI (SMP =
0)
bit 7
SDI (SMP =
1)
bit 7
SSPIF
bit 0
bit 0
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
SPI MODE TIMING, MASTER MODE
FIGURE 10-3:
SS (Optional)
SPI MODE TIMING (SLAVE MODE WITH CKE =
0)
SCK (CKP =
0)
SCK (CKP =
1)
SDO
SDI (SMP =
0)
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
bit 7
SSPIF
bit 0
FIGURE 10-4:
SS
SPI MODE TIMING (SLAVE MODE WITH CKE =
1)
SCK (CKP =
0)
SCK (CKP =
1)
SDO
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
SDI (SMP =
0)
bit 7
SSPIF
bit 0
铮?/div>
2003 Microchip Technology Inc.
Preliminary
DS39598D-page 75
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