MPC857DSL Motorola, MPC857DSL Datasheet - Page 42

• Manufacturer Part Number: MPC857DSL
• Description: (MPC857 / MPC862) Hardware Specifications
• Manufacturer: Motorola

Bus Signal Timing
Bus Signal Timing
Table 12 shows the reset timing for the MPC862/857T/857DSL.
42
R69
R70
R71
R72
R73
R74
R75
R76
R77
R78
R79
R80
R81
R82
Num
CLKOUT to HRESET high impedance
(MAX = 0.00 x B1 + 20.00)
CLKOUT to SRESET high impedance
(MAX = 0.00 x B1 + 20.00)
RSTCONF pulse width
(MIN = 17.00 x B1)
—
Configuration data to HRESET rising
edge set up time
(MIN = 15.00 x B1 + 50.00)
Configuration data to RSTCONF rising
edge set up time
(MIN = 0.00 x B1 + 350.00)
Configuration data hold time after
RSTCONF negation
(MIN = 0.00 x B1 + 0.00)
Configuration data hold time after
HRESET negation
(MIN = 0.00 x B1 + 0.00)
HRESET and RSTCONF asserted to
data out drive (MAX = 0.00 x B1 + 25.00)
RSTCONF negated to data out high
impedance. (MAX = 0.00 x B1 + 25.00)
CLKOUT of last rising edge before chip
three-states HRESET to data out high
impedance. (MAX = 0.00 x B1 + 25.00)
DSDI, DSCK set up (MIN = 3.00 x B1)
DSDI, DSCK hold time
(MIN = 0.00 x B1 + 0.00)
SRESET negated to CLKOUT rising
edge for DSDI and DSCK sample
(MIN = 8.00 x B1)
Characteristic
MPC862/857T/857DSL Hardware Specifications
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
Table 12. Reset Timing
515.20
504.50
350.00
242.40
90.90
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
—
—
—
—
—
—
—
—
—
257.60
277.30
350.00
121.20
45.50
0.00
0.00
0.00
Min
—
—
—
—
—
—
66 MHz
MOTOROLA
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
—