Freescale Semiconductor HCS12X, Reference Manual

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Appendix A Electrical Characteristics
MC9S12XE-Family Reference Manual , Rev. 1.19
1244 Freescale Semiconductor
A.7.2.2 Slave Mode
In Figure A-10 the timing diagram for slave mode with transmission format CPHA = 0 is depicted.
Figure A-10. SPI Slave Timing (CPHA = 0)
In Figure A-11 the timing diagram for slave mode with transmission format CPHA = 1 is depicted.
Figure A-11. 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
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of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
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and
part
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for
import
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in
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prior
to
September
2010:
S12XE
products
in
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packages