MC908MR16CFUE Datasheet, PDF (270/282 Pages) Freescale Semiconductor, Inc – On-chip programming firmware for use with host personal computer, Clock generator module (CGM)

Electrical Specifications
SS
INPUT
SS PIN OF MASTER HELD HIGH
SPCK, CPOL = 0
OUTPUT
NOTE
1
5
4
SPCK, CPOL = 1
OUTPUT
NOTE
5
4
MISO
INPUT
10
MOSI
OUTPUT
MSB IN
11
MASTER MSB OUT
BITS 6–1
10
BITS 6–1
Note: This first clock edge is generated internally, but is not seen at the SCK pin.
a) SPI Master Timing (CPHA = 0)
6
7
LSB IN
11
MASTER LSB OUT
SS
INPUT
SPCK, CPOL = 0
OUTPUT
SPCK, CPOL = 1
OUTPUT
MISO
INPUT
10
MOSI
OUTPUT
SS PIN OF MASTER HELD HIGH
1
5
4
5
4
MSB IN
11
MASTER MSB OUT
BITS 6–1
10
BITS 6–1
Note: This last clock edge is generated internally, but is not seen at the SCK pin.
b) SPI Master Timing (CPHA = 1)
Figure 19-1. SPI Master Timing
NOTE
6
7
LSB IN
11
MASTER LSB OUT
NOTE
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
270
Freescale Semiconductor