mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 584

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Appendix A Electrical Characteristics
In
1
584
Num
t
Table A-18
10
11
12
13
bus
1
1
2
3
4
5
6
7
8
9
added due to internal synchronization delay
C
D
D
D
D
D
D
D
D
D
D
D
D
P
P
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
Table A-18. SPI Slave Mode Timing Characteristics
Characteristic
MC9S12E256 Data Sheet, Rev. 1.08
Symbol
t
t
t
f
t
wsck
t
t
t
vsck
lead
t
t
t
sck
sck
t
vss
t
lag
dis
t
ho
rfo
su
hi
rfi
a
Min
DC
20
—
—
—
—
—
—
4
4
4
4
8
8
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Freescale Semiconductor
30 + t
30 + t
Max
1 4
20
22
—
—
—
—
—
—
8
8
bus
bus
1
1
Unit
f
t
t
t
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
bus
bus
bus
bus
bus