MC9S12Q FREESCALE [Freescale Semiconductor, Inc], MC9S12Q Datasheet - Page 628

• Manufacturer Part Number: MC9S12Q
• Description: Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Appendix A Electrical Characteristics
In
In
1. t
628
Num
10
11
12
13
bus
Figure A-9
Table A-22
1
1
2
3
4
5
6
7
8
9
(CPOL 0)
(CPOL 1)
(OUTPUT)
added due to internal synchronization delay
(INPUT)
NOTE: Not defined!
(INPUT)
(INPUT)
(INPUT)
MISO
MOSI
SCK
SCK
SS
C
D
P
D
D
D
D
D
D
D
D
D
D
D
D
the timing diagram for slave mode with transmission format CPHA=1 is depicted.
the timing characteristics for slave mode are listed.
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
2
SLAVE
4
5
Table A-22. SPI Slave Mode Timing Characteristics
9
MSB IN
Characteristic
1
Figure A-9. SPI Slave Timing (CPHA=1)
MSB OUT
6
4
12
12
11
BIT 6 . . . 1
MC9S12Q128
BIT 6 . . . 1
Rev 1.09
Symbol
t
t
t
f
t
wsck
t
t
t
vsck
lead
t
t
t
sck
sck
t
vss
t
lag
t
dis
ho
rfo
su
hi
rfi
a
13
13
SLAVE LSB OUT
3
Min
DC
20
LSB IN
—
—
—
—
—
—
4
4
4
4
8
8
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
8
Freescale Semiconductor
30 + t
30 + t
Max
1 4
—
—
—
—
—
20
22
—
(1)
8
8
bus
bus
1
Unit
f
t
t
t
t
ns
ns
ns
ns
ns
ns
ns
bus
bus
bus
bus
bus
ns
ns