Appendix A Electrical Characteristics
MC9S12XDP512 Data Sheet, Rev. 2.11
Freescale Semiconductor 951
A.7.1 Master Mode

In Figure A-6 the timing diagram for master mode with transmission format CPHA = 0 is depicted.

Figure A-6. SPI Master Timing (CPHA = 0)

In Figure A-7 the timing diagram for master mode with transmission format CPHA=1 is depicted.

Figure A-7. SPI Master Timing (CPHA = 1)

SCK
(Output)
SCK
(Output)
MISO
(Input)
MOSI
(Output)
SS1
(Output)
1
9
5 6
MSB IN2
Bit 6 . . . 1
LSB IN
MSB OUT2 LSB OUT
Bit 6 . . . 1
11
4
4
2
10
(CPOL = 0)
(CPOL = 1)
3
13
13
1. If configured as an output.
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB.
12
12
SCK
(Output)
SCK
(Output)
MISO
(Input)
MOSI
(Output)
1
5 6
MSB IN2
Bit 6 . . . 1
LSB IN
Master MSB OUT2 Master LSB OUT
Bit 6 . . . 1
4
4
9
12 13
11
Port Data
(CPOL = 0)
(CPOL = 1)
Port Data
SS1
(Output)
212 13 3
1.If configured as output
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB.