Bus Signal Timing
Table 7. Bus Operation Timings (continued)
33 MHz
Num
Characteristic
Min
B29d
WE(0:3) negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 1, CSNT = 1,
EBDF = 0
CS negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 1, CSNT = 1,
ACS = 10, or ACS = 11, EBDF = 0
WE(0:3) negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 0, CSNT = 1,
EBDF = 1
CS negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 0, CSNT = 1,
ACS = 10, or ACS = 11, EBDF = 1
WE(0:3) negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 1, CSNT = 1,
EBDF = 1
CS negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 1, CSNT = 1,
ACS = 10, or ACS = 11, EBDF = 1
CS, WE(0:3) negated to A(0:31),
BADDR(28:30) invalid GPCM write access
8
WE(0:3) negated to A(0:31), BADDR(28:30)
invalid GPCM, write access, TRLX = 0,
CSNT = 1, CS negated to A(0:31) invalid
GPCM write access, TRLX = 0, CSNT = 1
ACS = 10, or ACS = 11, EBDF = 0
WE(0:3) negated to A(0:31), invalid GPCM
BADDR(28:30) invalid GPCM write access,
TRLX = 1, CSNT = 1. CS negated to
A(0:31), Invalid GPCM, write access,
TRLX = 1, CSNT = 1, ACS = 10, or
ACS = 11, EBDF = 0
WE(0:3) negated to A(0:31), BADDR(28:30)
invalid GPCM write access, TRLX = 0,
CSNT = 1. CS negated to A(0:31) invalid
GPCM write access, TRLX = 0, CSNT = 1,
ACS = 10, ACS = 11, EBDF = 1
WE(0:3) negated to A(0:31), BADDR(28:30)
invalid GPCM write access, TRLX = 1,
CSNT =1. CS negated to A(0:31) invalid
GPCM write access TRLX = 1, CSNT = 1,
ACS = 10, or ACS = 11, EBDF = 1
CLKOUT falling edge to CS valid—as
requested by control bit CST4 in the
corresponding word in UPM
43.45
Max
—
Min
35.5
Max
—
Min
28.00
Max
—
Min
20.73
Max
—
ns
40 MHz
50 MHz
66 MHz
Unit
B29e
43.45
—
35.5
—
28.00
—
29.73
—
ns
B29f
8.86
—
6.88
—
5.00
—
3.18
—
ns
B29g
8.86
—
6.88
—
5.00
—
3.18
—
ns
B29h
38.67
—
31.38
—
24.50
—
17.83
—
ns
B29i
38.67
—
31.38
—
24.50
—
17.83
—
ns
B30
B30a
5.58
13.15
—
—
4.25
10.50
—
—
3.00
8.00
—
—
1.79
5.58
—
—
ns
ns
B30b
43.45
—
35.50
—
28.00
—
20.73
—
ns
B30c
8.36
—
6.38
—
4.50
—
2.68
—
ns
B30d
38.67
—
31.38
—
24.50
—
17.83
—
ns
B31
1.50
6.00
1.50
6.00
1.50
6.00
1.50
6.00
ns
MPC860 PowerQUICC™ Family Hardware Specifications, Rev. 8
18
Freescale Semiconductor
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
