參數(shù)資料
型號: KMPC855TCVR50D4
廠商: Freescale Semiconductor
文件頁數(shù): 8/78頁
文件大?。?/td> 0K
描述: IC MPU POWERQUICC 50MHZ 357-PBGA
標準包裝: 2
系列: MPC8xx
處理器類型: 32-位 MPC8xx PowerQUICC
速度: 50MHz
電壓: 3.3V
安裝類型: 表面貼裝
封裝/外殼: 357-BBGA
供應商設備封裝: 357-PBGA(25x25)
包裝: 托盤
MPC860 PowerQUICC Family Hardware Specifications, Rev. 9
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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