Справочник Пользователя для Freescale Semiconductor Demonstration Board for Freescale MC9S12XHY256 Microcontroller DEMO9S12XHY256 DEMO9S12XHY256
Модели
DEMO9S12XHY256
Electrical Characteristics
MC9S12XHY-Family Reference Manual, Rev. 1.04
756
Freescale Semiconductor
A.9.2
Slave Mode
In
the timing diagram for slave mode with transmission format CPHA = 0 is depicted.
Figure A-11. SPI Slave Timing (CPHA = 0)
In
the timing diagram for slave mode with transmission format CPHA = 1 is depicted.
Figure A-12. SPI Slave Timing (CPHA = 1)
SCK
(Input)
SCK
(Input)
MOSI
(Input)
MISO
(Output)
SS
(Input)
1
9
5
6
MSB IN
Bit MSB-1 . . . 1
LSB IN
Slave MSB
Slave LSB OUT
Bit MSB-1. . . 1
11
4
4
2
7
(CPOL = 0)
(CPOL = 1)
3
13
NOTE: Not defined
12
12
11
See
13
Note
8
10
See
Note
SCK
(Input)
SCK
(Input)
MOSI
(Input)
MISO
(Output)
1
5
6
MSB IN
Bit MSB-1 . . . 1
LSB IN
MSB OUT
Slave LSB OUT
Bit MSB-1 . . . 1
4
4
9
12
13
11
(CPOL = 0)
(CPOL = 1)
SS
(Input)
2
12
13
3
NOTE: Not defined
Slave
7
8
See
Note