參數(shù)資料
型號(hào): MPC855TVR66D4
廠商: FREESCALE SEMICONDUCTOR INC
元件分類(lèi): 微控制器/微處理器
英文描述: 32-BIT, 66 MHz, RISC PROCESSOR, PBGA357
封裝: 25 X 25 MM, 1.27 MM PITCH, ROHS COMPLIANT, PLASTIC, BGA-357
文件頁(yè)數(shù): 8/81頁(yè)
文件大?。?/td> 1900K
代理商: MPC855TVR66D4
MPC860 PowerQUICC Family Hardware Specifications, Rev. 8
16
Freescale Semiconductor
Bus Signal Timing
B9
CLKOUT to A(0:31), BADDR(28:30),
RD/WR, BURST, D(0:31), DP(0:3),
TSIZ(0:1), REG, RSV, AT(0:3), PTR High-Z
7.58
14.33
6.25
13.00
5.00
11.75
3.80
10.04
ns
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
B22c
CLKOUT falling edge to CS asserted GPCM
ACS = 11, TRLX = 0, EBDF = 1
10.86
17.99
8.88
16.00
7.00
14.13
5.18
12.31
ns
Table 7. 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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