MC68HC908GT16 Datasheet, PDF (401/412 Pages) Motorola, Inc – Microcontrollers

Electrical Specifications
3.0-V SPI Characteristics
SS
INPUT
SS PIN OF MASTER HELD HIGH
1
SPSCK OUTPUT
CPOL = 0
NOTE
4
SPSCK OUTPUT
CPOL = 1
NOTE
5
MISO
INPUT
MOSI
OUTPUT
MSB IN
11
MASTER MSB OUT
5
4
BITS 6–1
10
BITS 6–1
Note: This first clock edge is generated internally, but is not seen at the SPSCK pin.
a) SPI Master Timing (CPHA = 0)
6
7
LSB IN
11
MASTER LSB OUT
SS
INPUT
SPSCK OUTPUT
CPOL = 0
SS PIN OF MASTER HELD HIGH
1
5
4
SPSCK OUTPUT
CPOL = 1
5
4
MISO
INPUT
10
MOSI
OUTPUT
MSB IN
11
MASTER MSB OUT
BITS 6–1
10
BITS 6–1
NOTE
6
7
LSB IN
NOTE
MASTER LSB OUT
Note: This last clock edge is generated internally, but is not seen at the SPSCK pin.
b) SPI Master Timing (CPHA = 1)
Figure 23-15. SPI Master Timing
MC68HC908GT16 • MC68HC908GT8 — Rev. 2
MOTOROLA
Electrical Specifications
Technical Data
401