MC9S12HZ256 Datasheet, PDF (650/692 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Appendix A Electrical Characteristics
A.7.2 Slave Mode
Figure A-8 and Figure A-9 illustrate the slave mode timing. Timing values are shown in Figure A-20.
SS
(INPUT)
SCK
(CPOL = 0)
(INPUT)
1
12
SCK
2
4
4
11
(CPOL = 1)
(INPUT)
11 3
12
8
7
9
10
10
MISO
(OUTPUT)
SLAVE MSB OUT
BIT 6 . . . 1
SLAVE LSB OUT
MOSI
(INPUT)
5
6
MSB IN
BIT 6 . . . 1
LSB IN
Figure A-8. SPI Slave Timing (CPHA = 0)
SS
(INPUT)
SCK
(CPOL = 0)
(INPUT)
SCK
(CPOL = 1)
(INPUT)
MISO
(OUTPUT)
MOSI
(INPUT)
1
2
12
4
4
11
9
SLAVE MSB OUT
10
BIT 6 . . . 1
7
5
6
MSB IN
BIT 6 . . . 1
3
11
12
8
SLAVE LSB OUT
LSB IN
Figure A-9. SPI Slave Timing (CPHA =1)
MC9S12HZ256 Data Sheet, Rev. 2.04
650
Freescale Semiconductor