MC9S12P128 Datasheet, PDF (527/564 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers

Electrical Characteristics
A.10 MSCAN
Table A-25. MSCAN Wake-up Pulse Characteristics
Conditions are shown in Table A-4 unless otherwise noted
Num C
Rating
1 P MSCAN wakeup dominant pulse filtered
2 P MSCAN wakeup dominant pulse pass
Symbol
Min
Typ
t_WUP
—
—
t_WUP
5
—
Max
Unit
1.5
µs
—
µs
A.11 SPI Timing
This section provides electrical parametrics and ratings for the SPI. In Table A-26 the measurement
conditions are listed.
Table A-26. Measurement Conditions
Description
Value
Unit
Drive mode
Full drive mode
—
Load capacitance C_LOAD(1), on all outputs
50
pF
Thresholds for delay measurement points
(20% / 80%) V_DDX
V
1. Timing specified for equal load on all SPI output pins. Avoid asymmetric load.
A.11.1 Master Mode
In Figure A-5 the timing diagram for master mode with transmission format CPHA = 0 is depicted.
SS
(Output)
SCK
(CPOL = 0)
(Output)
SCK
(CPOL = 1)
(Output)
MISO
(Input)
MOSI
(Output)
2
1
12
4
4
12
5
6
MSB IN2
10
MSB OUT2
Bit MSB-1. . . 1
9
Bit MSB-1. . . 1
13
13
LSB IN
LSB OUT
1. If configured as an output.
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, bit 2... MSB.
Figure A-5. SPI Master Timing (CPHA = 0)
3
11
S12P-Family Reference Manual, Rev. 1.12
Freescale Semiconductor
527