mpc855t Freescale Semiconductor, Inc, mpc855t Datasheet - Page 39
mpc855t
Manufacturer Part Number
mpc855t
Description
Mpc855t Powerquicc Integrated Communications Processor
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC855T.pdf
(80 pages)
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Table 12
Freescale Semiconductor
Num
R69 CLKOUT to HRESET high impedance
R70 CLKOUT to SRESET high impedance
R71 RSTCONF pulse width
R72 —
R73 Configuration data to HRESET rising edge
R74 Configuration data to RSTCONF rising
R75 Configuration data hold time after
R76 Configuration data hold time after
R77 HRESET and RSTCONF asserted to data
R78 RSTCONF negated to data out high
R79 CLKOUT of last rising edge before chip
R80 DSDI, DSCK setup
R81 DSDI, DSCK hold time
R82 SRESET negated to CLKOUT rising edge
setup time
edge setup time
RSTCONF negation
HRESET negation
out drive
impedance
three-state HRESET to data out high
impedance
for DSDI and DSCK sample
shows the reset timing for the MPC860.
Characteristic
MPC860 PowerQUICC™ Family Hardware Specifications, Rev. 8
Table 12. Reset Timing
515.15
504.55
350.00
242.42
90.91
0.00
0.00
0.00
Min
—
—
—
—
—
—
33 MHz
20.00
20.00
25.00
25.00
25.00
Max
—
—
—
—
—
—
—
—
—
425.00
425.00
350.00
200.00
75.00
0.00
0.00
0.00
Min
—
—
—
—
—
40 MHz
20.00
20.00
25.00
25.00
25.00
Max
—
—
—
—
—
—
—
—
340.00
350.00
350.00
160.00
60.00
0.00
0.00
0.00
Min
—
—
—
—
—
—
50 MHz
20.00
20.00
25.00
25.00
25.00
Max
—
—
—
—
—
—
—
—
—
257.58
277.27
350.00
121.21
45.45
0.00
0.00
0.00
Min
—
—
—
—
—
—
66 MHz
Bus Signal Timing
20.00
20.00
25.00
25.00
25.00
Max
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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