MC9S12E64CFUE Datasheet, PDF (588/606 Pages) Freescale Semiconductor, Inc – Microcontrollers

Appendix A Electrical Characteristics
In Table A-18 the timing characteristics for slave mode are listed.
Table A-18. SPI Slave Mode Timing Characteristics
Num C
Characteristic
Symbol
Min
Typ
1
P SCK Frequency
f_sck
DC
—
1
P SCK Period
t_sck
4
—
2
D Enable Lead Time
t_lead
4
—
3
D Enable Lag Time
t_lag
4
—
4
D Clock (SCK) High or Low Time
t_wsck
4
—
5
D Data Setup Time (Inputs)
t_su
8
—
6
D Data Hold Time (Inputs)
t_hi
8
—
7
D Slave Access Time (time to data active)
t_a
—
—
8
D Slave MISO Disable Time
t_dis
—
—
9
D Data Valid after SCK Edge
t_vsck
—
—
10
D Data Valid after SS fall
t_vss
—
—
11
D Data Hold Time (Outputs)
t_ho
20
—
12
D Rise and Fall Time Inputs
t_rfi
—
—
13
D Rise and Fall Time Outputs
t_rfo
—
—
1 _{tbus added due to internal synchronization delay}
Max
1/4
∞
—
—
—
—
—
20
22
30 + t_bus1
30 + t_bus1
—
8
8
Unit
f_bus
t_bus
t_bus
t_bus
t_bus
ns
ns
ns
ns
ns
ns
ns
ns
ns
MC9S12E128 Data Sheet, Rev. 1.07
588
Freescale Semiconductor