MC68HC05C8A Datasheet, PDF (97/116 Pages) Motorola, Inc – Microcontrollers

3.3-V Serial Peripheral Interface Timing
SS
(INPUT)
SCK (CPOL = 0)
(INPUT)
SCK (CPOL = 1)
(INPUT)
MISO
(INPUT)
MOSI
(OUTPUT)
1
4
2
5
8
SLAVE MSB OUT
6
7
MSB IN
13
5
4
12
BITS 6–1
10
11
BITS 6–1
12
13
SLAVE LSB OUT
11
LSB IN
Note: Not defined but normally MSB of character just received.
a) SPI Slave Timing (CPHA = 0)
3
9
NOTE
SS
(INPUT)
SCK (CPOL = 0)
(INPUT)
SCK (CPOL = 1)
(INPUT)
8
MISO
(OUTPUT)
MOSI
(INPUT)
2
NOTE
1
5
4
5
4
10
SLAVE MSB OUT
6
7
MSB IN
13
12
BITS 6–1
10
11
BITS 6–1
12
3
13
9
SLAVE LSB OUT
LSB IN
Note: Not defined but normally LSB of character previously transmitted.
b) SPI Slave Timing (CPHA = 1)
Figure 13-10. SPI Slave Timing Diagram
MC68HC05C8A • MC68HCL05C8A • MC68HSC05C8A Data Sheet, Rev. 5.1
Freescale Semiconductor
97