MC9S12A128 MOTOROLA [Motorola, Inc], MC9S12A128 Datasheet - Page 82
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MC9S12A128
Manufacturer Part Number
MC9S12A128
Description
Microcontroller unit (MCU)
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC9S12A128.pdf
(92 pages)
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Conditions are shown in
Num C
10
11
12
1
1
2
3
4
5
6
7
8
9
(CPOL 0)
(CPOL 1)
(OUTPUT)
(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 Slave Access Time
D Slave MISO Disable Time
D Data Valid (after SCK Edge)
D Data Hold Time (Outputs)
D Rise Time Inputs and Outputs
D Fall Time Inputs and Outputs
(INPUT)
(INPUT)
(INPUT)
P Operating Frequency
P SCK Period t
MISO
MOSI
SCK
SCK
SS
sck
Table A-4
7
Table A-18 SPI Slave Mode Timing Characteristics
= 1./f
2
SLAVE
4
op
5
Rating
9
Figure A-8 SPI Slave Timing (CPHA =1)
MSB IN
unless otherwise noted, CLOAD = 200pF on all outputs
1
MSB OUT
6
4
12
11
10
BIT 6 . . . 1
BIT 6 . . . 1
Symbol
t
t
t
wsck
t
t
f
lead
t
t
sck
lag
t
t
dis
t
op
su
ho
t
t
hi
a
v
r
f
11
12
SLAVE LSB OUT
t
cyc
Min
MC9S12A128 Device Guide — V01.01
DC
25
25
—
—
—
—
—
3
4
1
1
0
LSB IN
30
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
8
Max
2048
1 4
25
25
25
—
—
—
—
—
—
1
1
Unit
f
t
t
t
t
t
bus
bus
ns
ns
ns
ns
ns
ns
ns
cyc
cyc
cyc
cyc
82