MC68HC08AS32A Datasheet, PDF (283/296 Pages) Motorola, Inc – Microcontrollers

Freescale Semiconductor, Inc.
Electrical Specifications
5.0-Vdc ± 10% Serial Peripheral Interface (SPI) Timing
SS
(INPUT)
SS pin of master held high.
1
SCK (CPOL = 0)
(OUTPUT)
NOTE
5
4
SCK (CPOL = 1)
(OUTPUT)
NOTE
5
4
MISO
(INPUT)
10
MOSI
(OUTPUT)
MSB IN
11
MASTER MSB OUT
12
13
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)
SCK (CPOL = 0)
(OUTPUT)
SS pin of master held high.
1
5
4
SCK (CPOL = 1)
(OUTPUT)
5
4
MISO
(INPUT)
10
MOSI
(OUTPUT)
MSB IN
11
MASTER MSB OUT
12
13
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 18-2. SPI Master Timing
NOTE
6
7
LSB IN
11
MASTER LSB OUT
NOTE
MC68HC08AS32A — Rev. 1
MOTOROLA
Electrical Specifications
For More Information On This Product,
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Data Sheet
283