MC9S12A128 MOTOROLA [Motorola, Inc], MC9S12A128 Datasheet - Page 81

• Manufacturer Part Number: MC9S12A128
• Description: Microcontroller unit (MCU)
• Manufacturer: MOTOROLA [Motorola, Inc]

A.6.2 Slave Mode
Figure A-7
Conditions are shown in
Num C
NOTES:
1. The numbers 7, 8 in the column labeled “Num” are missing. This has been done on purpose to be consistent between the
10
11
12
1
1
2
3
4
5
6
9
(CPOL 1)
Master and the Slave timing shown in
(CPOL 0)
(OUTPUT)
(INPUT)
(INPUT)
(INPUT)
(INPUT)
D Enable Lead Time
D Enable Lag Time
D Clock (SCK) High or Low Time
D Data Setup Time (Inputs)
D Data Hold Time (Inputs)
D Data Valid (after Enable Edge)
D Data Hold Time (Outputs)
D Rise Time Inputs and Outputs
D Fall Time Inputs and Outputs
P Operating Frequency
P SCK Period t
MOSI
MISO
SCK
SCK
SS
and
Figure A-8
sck
Table A-4
Table A-17 SPI Master Mode Timing Characteristics
SLAVE
2
5
= 1./f
7
MSB IN
op
Rating
Figure A-7 SPI Slave Timing (CPHA = 0)
MSB OUT
unless otherwise noted, C
illustrate the slave mode timing. Timing values are shown in
6
4
Table
1
A-18.
4
BIT 6 . . . 1
BIT 6 . . . 1
9
12
11
LOAD
Symbol
= 200pF on all outputs
t
t
t
wsck
t
f
lead
t
t
sck
lag
t
t
op
su
ho
t
t
hi
v
r
f
10
SLAVE LSB OUT
LSB IN
t
bus
Min
MC9S12A128 Device Guide — V01.01
DC
1 2
1 2
25
—
—
—
4
0
0
11
12
10
30
3
Typ
—
—
—
—
—
—
—
—
—
—
—
1
1024 t
Max
2048
8
1 4
25
25
25
—
—
—
—
—
Table
bus
A-18.
Unit
f
t
t
t
bus
bus
ns
ns
ns
ns
ns
ns
ns
sck
sck
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