Appendix A Electrical Characteristics
MC9S12XE-Family Reference Manual Rev. 1.19
Freescale Semiconductor
1241
A.7.2.1
Master Mode
In
the timing diagram for master mode with transmission format CPHA = 0 is depicted.
Figure A-7. SPI Master Timing (CPHA = 0)
Table A-27. Measurement Conditions
Description
Value
Unit
Drive mode
Full drive mode
—
Load capacitance C
LOAD
1
,
on all outputs
1
Timing specified for equal load on all SPI output pins. Avoid asymmetric load.
50
pF
Thresholds for delay measurement points
(20% / 80%) V
DDX
V
SCK
(Output)
SCK
(Output)
MISO
(Input)
MOSI
(Output)
SS1
(Output)
1
9
5
6
MSB IN2
Bit MSB-1. . . 1
LSB IN
MSB OUT2
LSB OUT
Bit MSB-1. . . 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 2... MSB.
12
12
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of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
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part
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for
import
or
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in
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prior
to
September
2010:
S12XE
products
in
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packages