MC68HC908GR16 Datasheet, PDF (302/310 Pages) Motorola, Inc – Microcontrollers

Freescale Semiconductor, Inc.
Electrical Specifications
SS
INPUT
SPSCK OUTPUT
CPOL = 0
SS PIN OF MASTER HELD HIGH
1
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 20-18. SPI Master Timing
Data Sheet
302
Electrical Specifications
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Go to: www.freescale.com
MC68HC908GR16 — Rev. 1.0
MOTOROLA