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S912XEP100J5MAG Datasheet, PDF (1246/1324 Pages) Freescale Semiconductor, Inc – Features of the MC9S12XE-Family are listed here. Please see Table D-2.for memory options and Table D-2. for the peripheral features that are available on the different family members. | |||
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Appendix A Electrical Characteristics
In Table A-29 the timing characteristics for slave mode are listed.
Table A-29. SPI Slave Mode Timing Characteristics
Num C
Characteristic
Symbol
Min
1
D SCK frequency
fsck
DC
1
D SCK period
tsck
4
2
D Enable lead time
tlead
4
3
D Enable lag time
tlag
4
4
D Clock (SCK) high or low time
twsck
4
5
D Data setup time (inputs)
tsu
8
6
D Data hold time (inputs)
thi
8
7
D Slave access time (time to data active)
ta
â
8
D Slave MISO disable time
tdis
â
9
D Data valid after SCK edge
tvsck
â
10
D Data valid after SS fall
tvss
â
11
D Data hold time (outputs)
tho
20
12
D Rise and fall time inputs
trï¬
â
13
D Rise and fall time outputs
trfo
â
1. 0.5 tbus added due to internal synchronization delay
Typ
Max
Unit
â
1/4
fbus
â
â
tbus
â
â
tbus
â
â
tbus
â
â
tbus
â
â
ns
â
â
ns
â
20
ns
â
22
ns
â
28 + 0.5 â
tbus(1)
ns
â
28 + 0.5 â
tbus1
ns
â
â
ns
â
8
ns
â
8
ns
1246
MC9S12XE-Family Reference Manual Rev. 1.25
Freescale Semiconductor
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