Datasheet

MC9S12DT128B Device User Guide — V01.09
Table A-19 SPI Slave Mode Timing Characteristics
Conditions are shown in Table A-4 unless otherwise noted, CLOAD = 200pF on all outputs
Num C Rating Symbol Min Typ Max Unit
1 P Operating Frequency
f
op
DC 1/4
f
bus
1P
SCK Period t
sck
= 1./f
op
t
sck
4 2048
t
bus
2 D Enable Lead Time
t
lead
1
t
cyc
3 D Enable Lag Time
t
lag
1
t
cyc
4 D Clock (SCK) High or Low Time
t
wsck
t
cyc
− 30
ns
5 D Data Setup Time (Inputs)
t
su
25 ns
6 D Data Hold Time (Inputs)
t
hi
25 ns
7 D Slave Access Time
t
a
1
t
cyc
8 D Slave MISO Disable Time
t
dis
1
t
cyc
9 D Data Valid (after SCK Edge)
t
v
25 ns
10 D Data Hold Time (Outputs)
t
ho
0ns
11 D Rise Time Inputs and Outputs
t
r
25 ns
12 D Fall Time Inputs and Outputs
t
f
25 ns
Freescale Semiconductor, I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
nc
.
..