
Electrical Characteristics
S12P-Family Reference Manual, Rev. 1.07
Freescale Semiconductor
PRELIMINARY
513
In
Figure A-6 the timing diagram for master mode with transmission format CPHA=1 is depicted.
Figure A-6. SPI Master Timing (CPHA = 1)
SCK
(Output)
SCK
(Output)
MISO
(Input)
MOSI
(Output)
1
5
6
MSB IN2
Bit MSB-1. . . 1
LSB IN
Master MSB OUT2
Master LSB OUT
Bit MSB-1. . . 1
4
9
12
13
11
Port Data
(CPOL = 0)
(CPOL = 1)
Port Data
SS
(Output)
2
12
13
3
1.If congured as output
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1,bit 2... MSB.