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MC9S12NE64_06 Datasheet, PDF (542/554 Pages) Freescale Semiconductor, Inc – Microcontrollers
Appendix A Electrical Characteristics
Table A-32. Expanded Bus Timing Characteristics (3.3 V Range)
Conditions are VDDX = 3.3 V 5%, Junction Temperature -40˚C to +125˚C, CLOAD = 50 pF
Num C
Rating
Symbol
Min
Typ
1
P Frequency of operation (E-clock)
2
P Cycle time
3
D Pulse width, E low
4
D Pulse width, E high 1
fo
tcyc
PWEL
PWEH
0
62.5
30
30
5
D Address delay time
6
D Address valid time to E rise (PWEL–tAD)
tAD
tAV
16
7
D Muxed address hold time
8
D Address hold to data valid
9
D Data hold to address
10
D Read data setup time
11
D Read data hold time
12
D Write data delay time
13
D Write data hold time
14
D Write data setup time1 (PWEH–tDDW)
tMAH
2
tAHDS
7
tDHA
2
tDSR
15
tDHR
0
tDDW
tDHW
2
tDSW
15
15
D Address access time1
tACCA
29
16
D E high access time1 (PWEH–tDSR)
tACCE
15
17
D Read/write delay time
18
D Read/write valid time to E rise (PWEL–tRWD)
tRWD
tRWV
16
19
D Read/write hold time
20
D Low strobe delay time
21
D Low strobe valid time to E rise (PWEL–tLSD)
tRWH
2
tLSD
tLSV
16
22
D Low strobe hold time
23
D NOACC strobe delay time
24
D NOACC valid time to E rise (PWEL–tLSD)
tLSH
2
tNOD
tNOV
16
25
D NOACC hold time
26
D IPIPO[1:0] delay time
27
D IPIPO[1:0] valid time to E rise (PWEL–tP0D)
tNOH
2
tP0D
2
tP0V
16
28
D IPIPO[1:0] delay time1
tP1D
2
29
D IPIPO[1:0] valid time to E fall
tP1V
11
1Affected by clock stretch: add N x tcyc where N=0,1,2 or 3, depending on the number of clock stretches.
Max
16.0
16
15
14
14
14
14
25
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MC9S12NE64 Data Sheet, Rev. 1.1
542
Freescale Semiconductor