MC9S12E128CFUE Datasheet, PDF (598/606 Pages) Freescale Semiconductor, Inc – MC9S12E128 Data Sheet

Appendix A Electrical Characteristics
Table A-27. Expanded Bus Timing Characteristics (3.3V Range)
Conditions are VDDX=3.3V+/-10%, Junction Temperature -40˚C to +140˚C, C_LOAD = 50pF
Num C
Rating
Symbol
Min
Typ
1
P Frequency of operation (E-clock)
f_o
0
—
2
P Cycle time
t_cyc
62.5
—
3
D Pulse width, E low
4
D Pulse width, E high¹
PW_EL
30
—
PW_EH
30
—
5
D Address delay time
t_AD
—
—
6
D Address valid time to E rise (PW_EL–t_AD)
t_AV
16
—
7
D Muxed address hold time
t_MAH
2
—
8
D Address hold to data valid
t_AHDS
7
—
9
D Data hold to address
t_DHA
2
—
10
D Read data setup time
t_DSR
15
—
11
D Read data hold time
t_DHR
0
—
12
D Write data delay time
t_DDW
—
—
13
D Write data hold time
14
D Write data setup time¹ (PW_EH–t_DDW)
15
D Address access time¹ (t_cyc–t_AD–t_DSR)
16
D E high access time¹ (PW_EH–t_DSR)
t_DHW
2
—
t_DSW
15
—
t_ACCA
29
—
t_ACCE
15
—
17
D Non-multiplexed address delay time
t_NAD
—
—
18
D Non-muxed address valid to E rise (PW_EL–t_NAD)
t_NAV
16
—
19
D Non-multiplexed address hold time
t_NAH
2
—
20
D Chip select delay time
21
D Chip select access time¹ (t_cyc–t_CSD–t_DSR)
t_CSD
—
—
t_ACCS
22.5
—
22
D Chip select hold time
t_CSH
2
—
23
D Chip select negated time
t_CSN
8
—
24
D Read/write delay time
t_RWD
—
—
25
D Read/write valid time to E rise (PW_EL–t_RWD)
t_RWV
16
—
26
D Read/write hold time
t_RWH
2
—
27
D Low strobe delay time
t_LSD
—
—
28
D Low strobe valid time to E rise (PW_EL–t_LSD)
t_LSV
16
—
29
D Low strobe hold time
t_LSH
2
—
30
D NOACC strobe delay time
t_NOD
—
—
31
D NOACC valid time to E rise (PW_EL–t_NOD)
t_NOV
16
—
32
D NOACC hold time
t_NOH
2
—
33
D IPIPO[1:0] delay time
t_P0D
2
—
34
D IPIPO[1:0] valid time to E rise (PW_EL–t_P0D)
35
D IPIPO[1:0] delay time¹ (PW_EH-t_P1V)
t_P0V
16
—
t_P1D
2
—
36
D IPIPO[1:0] valid time to E fall
t_P1V
11
—
1 _{Affected 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
—
—
25
—
—
—
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
ns
ns
ns
ns
ns
ns
ns
MC9S12E128 Data Sheet, Rev. 1.07
598
Freescale Semiconductor