MC908AP8CFBE Datasheet, PDF (315/324 Pages) Freescale Semiconductor, Inc – Microcontrollers

SS
INPUT
SPSCK INPUT
CPOL = 0
SPSCK INPUT
CPOL = 1
MISO
INPUT
MOSI
OUTPUT
1
4
2
5
8
SLAVE MSB OUT
6
7
MSB IN
5
4
BITS 6–1
10
11
BITS 6–1
3V SPI Characteristics
3
SLAVE LSB OUT
11
LSB IN
9
NOTE
Note: Not defined but normally MSB of character just received
a) SPI Slave Timing (CPHA = 0)
SS
INPUT
SPSCK INPUT
CPOL = 0
SPSCK INPUT
CPOL = 1
8
MISO
OUTPUT
MOSI
INPUT
2
NOTE
1
5
4
5
4
10
SLAVE MSB OUT
6
7
MSB IN
BITS 6–1
10
11
BITS 6–1
3
9
SLAVE LSB OUT
LSB IN
Note: Not defined but normally LSB of character previously transmitted
b) SPI Slave Timing (CPHA = 1)
Figure 22-4. SPI Slave Timing
MC68HC908AP Family Data Sheet, Rev. 4
Freescale Semiconductor
313