MC9S12E Motorola, MC9S12E Datasheet - Page 136

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

Device User Guide — 9S12E128DGV1/D V01.04
In Table B-9 the timing characteristics for slave mode are listed.
136
NOTES:
Num
1. t
10
11
12
13
1
1
2
3
4
5
6
7
8
9
(CPOL = 0)
(CPOL = 1)
(OUTPUT)
bus
(INPUT)
NOTE: Not defined!
(INPUT)
(INPUT)
(INPUT)
MISO
added due to internal synchronization delay
MOSI
SCK
SCK
SS
C
P
P
D
D
D
D
D
D
D
D
D
D
D
D
SCK Frequency
SCK Period
Enable Lead Time
Enable Lag Time
Clock (SCK) High or Low Time
Data Setup Time (Inputs)
Data Hold Time (Inputs)
Slave Access Time (time to data
active)
Slave MISO Disable Time
Data Valid after SCK Edge
Data Valid after SS fall
Data Hold Time (Outputs)
Rise and Fall Time Inputs
Rise and Fall Time Outputs
note
see
7
Table B-9 SPI Slave Mode Timing Characteristics
2
Characteristic
SLAVE
4
5
9
MSB IN
Freescale Semiconductor, Inc.
Figure B-7 SPI Slave Timing (CPHA=1)
1
For More Information On This Product,
MSB OUT
6
4
Go to: www.freescale.com
12
12
11
BIT 6 . . . 1
BIT 6 . . . 1
Symbol
t
t
t
f
t
wsck
t
t
t
vsck
lead
t
t
t
sck
sck
t
vss
t
lag
t
dis
su
ho
rfo
hi
rfi
a
Min
DC
20
—
—
—
—
—
—
4
4
4
4
8
8
13
13
SLAVE LSB OUT
3
LSB IN
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
30 + t
30 + t
8
Max
1/4
—
—
—
—
—
20
22
—
∞
8
8
bus
bus
1
1
Unit
f
t
t
t
t
bus
bus
bus
bus
bus
ns
ns
ns
ns
ns
ns
ns
ns
ns