MC9S12XS128MAL Datasheet, PDF (696/738 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Electrical Characteristics
f_SCK/f_bus
1/2
1/4
5
10 ¹⁵ 20 ²⁵ 30 ³⁵ 40
Figure A-8. Derating of maximum f_SCK to f_bus ratio in Master Mode
f_bus [MHz]
A.8.2 Slave Mode
In Figure A-9 the timing diagram for slave mode with transmission format CPHA = 0 is depicted.
SS
(Input)
SCK
(CPOL = 0)
(Input)
SCK
(CPOL = 1)
(Input) ¹⁰
7
MISO
(Output)
2
See
Note
1
12
4
4
12
Slave MSB
9
Bit MSB-1 . . . 1
13 3
13
11
11
Slave LSB OUT
MOSI
(Input)
5
6
MSB IN
Bit MSB-1. . . 1
LSB IN
NOTE: Not defined
Figure A-9. SPI Slave Timing (CPHA = 0)
8
See
Note
S12XS Family Reference Manual, Rev. 1.13
696
Freescale Semiconductor