mc68hc908qb4 Freescale Semiconductor, Inc, mc68hc908qb4 Datasheet - Page 223

• Manufacturer Part Number: mc68hc908qb4
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
SPSCK OUTPUT
SPSCK OUTPUT
SPSCK OUTPUT
SPSCK OUTPUT
Note: This first clock edge is generated internally, but is not seen at the SPSCK pin.
Note: This last clock edge is generated internally, but is not seen at the SPSCK pin.
CPOL = 1
CPOL = 0
CPOL = 0
CPOL = 1
OUTPUT
OUTPUT
INPUT
INPUT
INPUT
INPUT
MISO
MOSI
MISO
MOSI
SS
SS
10
NOTE
NOTE
SS PIN OF MASTER HELD HIGH
SS PIN OF MASTER HELD HIGH
4
5
MASTER MSB OUT
MSB IN
MASTER MSB OUT
Figure 18-11. SPI Master Timing
MSB IN
1
a) SPI Master Timing (CPHA = 0)
b) SPI Master Timing (CPHA = 1)
MC68HC908QB8 Data Sheet, Rev. 2
5
4
11
4
5
11
1
5
4
BITS 6–1
BITS 6–1
BITS 6–1
BITS 6–1
10
10
6
MASTER LSB OUT
6
MASTER LSB OUT
LSB IN
3.0-Volt SPI Characteristics
LSB IN
7
7
11
NOTE
NOTE
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