參數(shù)資料
型號(hào): MPC862
廠商: Motorola, Inc.
英文描述: Hardware Specifications
中文描述: 硬件規(guī)格
文件頁(yè)數(shù): 42/88頁(yè)
文件大小: 1104K
代理商: MPC862
42
MPC862/857T/857DSL Hardware Specifications
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
Bus Signal Timing
Table 12 shows the reset timing for the MPC862/857T/857DSL.
Table 12. Reset Timing
Num
Characteristic
33 MHz
40 MHz
50 MHz
66 MHz
Unit
Min
Max
Min
Max
Min
Max
Min
Max
R69
CLKOUT to HRESET high impedance
(MAX = 0.00 x B1 + 20.00)
20.00
20.00
20.00
20.00
ns
R70
CLKOUT to SRESET high impedance
(MAX = 0.00 x B1 + 20.00)
20.00
20.00
20.00
20.00
ns
R71
RSTCONF pulse width
(MIN = 17.00 x B1)
515.20
425.00
340.00
257.60
ns
R72
R73
Configuration data to HRESET rising
edge set up time
(MIN = 15.00 x B1 + 50.00)
504.50
425.00
350.00
277.30
ns
R74
Configuration data to RSTCONF rising
edge set up time
(MIN = 0.00 x B1 + 350.00)
350.00
350.00
350.00
350.00
ns
R75
Configuration data hold time after
RSTCONF negation
(MIN = 0.00 x B1 + 0.00)
0.00
0.00
0.00
0.00
ns
R76
Configuration data hold time after
HRESET negation
(MIN = 0.00 x B1 + 0.00)
0.00
0.00
0.00
0.00
ns
R77
HRESET and RSTCONF asserted to
data out drive (MAX = 0.00 x B1 + 25.00)
25.00
25.00
25.00
25.00
ns
R78
RSTCONF negated to data out high
impedance. (MAX = 0.00 x B1 + 25.00)
25.00
25.00
25.00
25.00
ns
R79
CLKOUT of last rising edge before chip
three-states HRESET to data out high
impedance. (MAX = 0.00 x B1 + 25.00)
25.00
25.00
25.00
25.00
ns
R80
DSDI, DSCK set up (MIN = 3.00 x B1)
90.90
75.00
60.00
45.50
ns
R81
DSDI, DSCK hold time
(MIN = 0.00 x B1 + 0.00)
0.00
0.00
0.00
0.00
ns
R82
SRESET negated to CLKOUT rising
edge for DSDI and DSCK sample
(MIN = 8.00 x B1)
242.40
200.00
160.00
121.20
ns
F
Freescale Semiconductor, Inc.
n
.
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