參數(shù)資料
型號(hào): MPC860UM
廠商: Motorola, Inc.
英文描述: SEE A3281LLT-T
中文描述: MPC860的勘誤表到家庭的PowerQUICC⑩用戶手冊(cè),修訂版2
文件頁(yè)數(shù): 15/76頁(yè)
文件大小: 857K
代理商: MPC860UM
MOTOROLA
MPC860 Family Hardware Specifications
15
Bus Signal Timing
B11
CLKOUT to TS, BB assertion
7.58
13.58
6.25
12.25
5.00
11.00
3.80
11.29
ns
B11a CLKOUT to TA, BI assertion (when
driven by the memory controller or
PCMCIA interface)
2.50
9.25
2.50
9.25
2.50
9.25
2.50
9.75
ns
B12
CLKOUT to TS, BB negation
7.58
14.33
6.25
13.00
5.00
11.75
3.80
8.54
ns
B12a CLKOUT to TA, BI negation (when
driven by the memory controller or
PCMCIA interface)
2.50
11.00
2.50
11.00
2.50
11.00
2.50
9.00
ns
B13
CLKOUT to TS, BB High-Z
7.58
21.58
6.25
20.25
5.00
19.00
3.80
14.04
ns
B13a CLKOUT to TA, BI High-Z (when
driven by the memory controller or
PCMCIA interface)
2.50
15.00
2.50
15.00
2.50
15.00
2.50
15.00
ns
B14
CLKOUT to TEA assertion
2.50
10.00
2.50
10.00
2.50
10.00
2.50
9.00
ns
B15
CLKOUT to TEA High-Z
2.50
15.00
2.50
15.00
2.50
15.00
2.50
15.00
ns
B16
TA, BI valid to CLKOUT (setup time)
9.75
9.75
9.75
6.00
ns
B16a TEA, KR, RETRY, CR valid to
CLKOUT (setup time)
10.00
10.00
10.00
4.50
ns
B16b BB, BG, BR, valid to CLKOUT (setup
time)
5
8.50
8.50
8.50
4.00
ns
B17
CLKOUT to TA, TEA, BI, BB, BG, BR
valid (hold time)
1.00
1.00
1.00
2.00
ns
B17a CLKOUT to KR, RETRY, CR valid
(hold time)
2.00
2.00
2.00
2.00
ns
B18
D(0:31), DP(0:3) valid to CLKOUT
rising edge (setup time)
6
6.00
6.00
6.00
6.00
ns
B19
CLKOUT rising edge to D(0:31),
DP(0:3) valid (hold time)
6
1.00
1.00
1.00
2.00
ns
B20
D(0:31), DP(0:3) valid to CLKOUT
falling edge (setup time)
7
4.00
4.00
4.00
4.00
ns
B21
CLKOUT falling edge to D(0:31),
DP(0:3) valid (hold time)
7
2.00
2.00
2.00
2.00
ns
B22
CLKOUT rising edge to CS asserted
GPCM ACS = 00
7.58
14.33
6.25
13.00
5.00
11.75
3.80
10.04
ns
B22a CLKOUT falling edge to CS asserted
GPCM ACS = 10, TRLX = 0
8.00
8.00
8.00
8.00
ns
B22b CLKOUT falling edge to CS asserted
GPCM ACS = 11, TRLX = 0,
EBDF = 0
7.58
14.33
6.25
13.00
5.00
11.75
3.80
10.54
ns
Table 9-6. Bus Operation Timings (continued)
Num
Characteristic
33 MHz
40 MHz
50 MHz
66 MHz
Unit
Min
Max
Min
Max
Min
Max
Min
Max
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