MC9S12E Motorola, MC9S12E Datasheet - Page 133

• Manufacturer Part Number: MC9S12E
• Description: MC9S12E-Family Device User Guide V01.04
• Manufacturer: Motorola

B.6 SPI Characteristics
This section provides electrical parametrics and ratings for the SPI.
In Table B-7 the measurement conditions are listed.
B.6.1 Master Mode
In Figure B-4 the timing diagram for master mode with transmission format CPHA=0 is depicted.
In Figure B-5 the timing diagram for master mode with transmission format CPHA=1 is depicted.
Drive mode
Load capacitance C
on all outputs
Thresholds for delay
measurement points
(CPOL = 1)
(CPOL = 0)
(OUTPUT)
(OUTPUT)
(OUTPUT)
(OUTPUT)
1.if configured as an output.
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB.
(INPUT)
MISO
MOSI
SCK
SCK
SS
1
Description
LOAD,
2
5
10
MSB IN
MSB OUT
Figure B-4 SPI Master Timing (CPHA=0)
Freescale Semiconductor, Inc.
6
Table B-7 Measurement Conditions
For More Information On This Product,
4
2
2
1
Go to: www.freescale.com
4
BIT 6 . . . 1
BIT 6 . . . 1
9
(20% / 80%) VDDX
full drive mode
Value
12
12
50
Device User Guide — 9S12E128DGV1/D V01.04
LSB IN
LSB OUT
13
13
11
Unit
3
pF
—
V
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