參數(shù)資料
型號: HCS12COREUG
廠商: Motorola, Inc.
英文描述: MC9S12DT128B
中文描述: MC9S12DT128B
文件頁數(shù): 114/124頁
文件大?。?/td> 577K
代理商: HCS12COREUG
MC9S12DT128B Device User Guide — V01.07
114
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
1
P 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
0
ns
11
D Rise Time Inputs and Outputs
t
r
25
ns
12
D Fall Time Inputs and Outputs
t
f
25
ns
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