MC68HC08AS32 Datasheet, PDF (268/280 Pages) Motorola, Inc – M68HC08 Family of 8-bit microcontroller units (MCUs)

SS
(INPUT)
SS pin of master held high.
SCK (CPOL = 0)
(OUTPUT)
NOTE
1
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 17-1. SPI Master Timing
NOTE
6
7
LSB IN
11
MASTER LSB OUT
NOTE
Data Sheet
268
MC68HC08AS32 — Rev. 4.1
Freescale Semiconductor