MC9S12DG128MPVE Datasheet, PDF (118/128 Pages) Freescale Semiconductor, Inc – Device User Guide

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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
1 P Operating Frequency
f_op
DC
1 P SCK Period t_sck = 1./f_op
t_sck
4
2 D Enable Lead Time
t_lead
1
3 D Enable Lag Time
t_lag
1
4 D Clock (SCK) High or Low Time
t_wsck
t_cyc − 30
5 D Data Setup Time (Inputs)
t_su
25
6 D Data Hold Time (Inputs)
t_hi
25
7 D Slave Access Time
t_a
8 D Slave MISO Disable Time
t_dis
9 D Data Valid (after SCK Edge)
t_v
10 D Data Hold Time (Outputs)
t_ho
0
11 D Rise Time Inputs and Outputs
t_r
12 D Fall Time Inputs and Outputs
t_f
Typ
Max
1/4
2048
1
1
25
25
25
Unit
f_bus
t_bus
t_cyc
t_cyc
ns
ns
ns
t_cyc
t_cyc
ns
ns
ns
ns
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