MC908MR16CFUE Datasheet, PDF (271/282 Pages) Freescale Semiconductor, Inc – On-chip programming firmware for use with host personal computer, Clock generator module (CGM)

Serial Peripheral Interface Characteristics
SS
INPUT
SPCK, CPOL = 0
INPUT
SPCK, CPOL = 1
INPUT
MISO
INPUT
MOSI
OUTPUT
1
4
2
5
8
SLAVE MSB OUT
6
7
MSB IN
151
4
BITS 6–1
10
11
BITS 6–1
SLAVE LSB OUT
11
LSB IN
Note: Not defined, but normally MSB of character just received
a) SPI Slave Timing (CPHA = 0)
3
9
NOTE
SS
INPUT
SPCK, CPOL = 0
INPUT
SPCK, CPOL = 1
INPUT
8
MISO
INPUT
MOSI
OUTPUT
2
NOTE
1
5
4
5
4
10
SLAVE MSB OUT
6
7
MSB IN
BITS 6–1
10
11
BITS 6–1
Note: Not defined, but normally LSB of character previously transmitted
b) SPI Slave Timing (CPHA = 1)
Figure 19-2. SPI Slave Timing
3
9
SLAVE LSB OUT
LSB IN
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
Freescale Semiconductor
271