参数资料
型号: MC9S12C64MPB25
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP52
封装: LQFP-52
文件页数: 31/138页
文件大小: 2318K
代理商: MC9S12C64MPB25
Device User Guide — 9S12C128DGV1/D V01.07
124
Table C-4 Expanded Bus Timing Characteristics (5V Range)
Conditions are 4.75V < VDDX < 5.25V, Junction Temperature -40C to +140C, CLOAD = 50pF
Num
C
Rating
Symbol
Min
Typ
Max
Unit
1
P
Frequency of operation (E-clock)
fo
0
25.0
MHz
2
P
Cycle time
tcyc
40
ns
3
D
Pulse width, E low
PWEL
19
ns
4D
Pulse width, E high1
PWEH
19
ns
5
D
Address delay time
tAD
8ns
6D
Address valid time to E rise (PWEL–tAD)tAV
11
ns
7
D
Muxed address hold time
tMAH
2ns
8
D
Address hold to data valid
tAHDS
7ns
9
D
Data hold to address
tDHA
2ns
10
D
Read data setup time
tDSR
13
ns
11
D
Read data hold time
tDHR
0ns
12
D
Write data delay time
tDDW
7ns
13
D
Write data hold time
tDHW
2ns
14
D
Write data setup time(1) (PWEH–tDDW)
tDSW
12
ns
15
D
Address access time(1) (tcyc–tAD–tDSR)
tACCA
19
ns
16
D
E high access time(1) (PWEH–tDSR)
tACCE
6ns
17
D
Read/write delay time
tRWD
7ns
18
D
Read/write valid time to E rise (PWEL–tRWD)tRWV
14
ns
19
D
Read/write hold time
tRWH
2ns
20
D
Low strobe delay time
tLSD
7ns
21
D
Low strobe valid time to E rise (PWEL–tLSD)tLSV
14
ns
22
D
Low strobe hold time
tLSH
2ns
23
D
NOACC strobe delay time
tNOD
7ns
24
D
NOACC valid time to E rise (PWEL–tLSD)tNOV
14
ns
25
D
NOACC hold time
tNOH
2ns
26
D
IPIPO[1:0] delay time
tP0D
27
ns
27
D
IPIPO[1:0] valid time to E rise (PWEL–tP0D)tP0V
11
ns
28
D
IPIPO[1:0] delay time(1) (PWEH-tP1V)
tP1D
225
ns
29
D
IPIPO[1:0] valid time to E fall
tP1V
11
ns
NOTES:
1. Affected by clock stretch: add N x tcyc where N=0,1,2 or 3, depending on the number of clock stretches.
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For More Information On This Product,
Go to: www.freescale.com
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