參數(shù)資料
型號(hào)： XPC855TZP80
英文描述： Controller Miscellaneous - Datasheet Reference
中文描述： 控制器雜項(xiàng)-數(shù)據(jù)表參考
文件頁(yè)數(shù)： 16/76頁(yè)
文件大小： 825K
代理商： XPC855TZP80
16
MPC850 (Rev. A/B/C) Hardware Specifications
MOTOROLA
Layout Practices
B29h
WE[0–3] negated to D[0–31],
DP[0–3] high-Z GPCM write
access TRLX = 0, CSNT = 1,
EBDF = 1
25.00
—
39.00
—
31.00
—
1.375
50.00
ns
B29i
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
25.00
—
39.00
—
31.00
—
1.375
50.00
ns
B30
CS, WE[0–3] negated to A[6–31]
invalid
GPCM write access
9
3.00
—
6.00
—
4.00
—
0.250
50.00
ns
B30a
WE[0–3] negated to A[6–31]
invalid
GPCM write access, TRLX = 0,
CSNT = 1, CS negated to
A[6–31] invalid GPCM write
access TRLX = 0, CSNT =1,
ACS = 10 or ACS = 11, EBDF =
0
8.00
—
13.00
—
11.00
—
0.500
50.00
ns
B30b
WE[0–3] negated to A[6–31]
invalid
GPCM write access, TRLX = 1,
CSNT = 1. CS negated to
A[6–31] Invalid GPCM write
access TRLX = 1, CSNT = 1,
ACS = 10 or ACS = 11, EBDF =
0
28.00
—
43.00
—
36.00
—
1.500
50.00
ns
B30c
WE[0–3] negated to A[6–31]
invalid
GPCM write access, TRLX = 0,
CSNT = 1. CS negated to
A[6–31] invalid GPCM write
access, TRLX = 0, CSNT = 1,
ACS = 10 or ACS = 11, EBDF =
1
5.00
—
8.00
—
6.00
—
0.375
50.00
ns
B30d
WE[0–3] negated to A[6–31]
invalid GPCM write access
TRLX = 1, CSNT =1, CS
negated to A[6–31] invalid
GPCM write access TRLX = 1,
CSNT = 1, ACS = 10 or ACS =
11, EBDF = 1
25.00
—
39.00
—
31.00
—
1.375
50.00
ns
B31
CLKOUT falling edge to CS valid
- as requested by control bit
CST4 in the corresponding word
in the UPM
1.50
6.00
1.50
6.00
1.50
6.00
—
50.00
ns
Table 6-6. Bus Operation Timing
1
(continued)
Num
Characteristic
50 MHz
66 MHz
80 MHz
FFACT
Cap Load
(default
50 pF)
Unit
Min
Max
Min
Max
Min
Max
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