參數(shù)資料
型號(hào): KMPC857DSLVR50B
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 10/88頁(yè)
文件大小: 0K
描述: IC MPU POWERQUICC 50MHZ 357-PBGA
標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝: 357-PBGA(25x25)
包裝: 托盤(pán)
MPC862/857T/857DSL PowerQUICC Family Hardware Specifications, Rev. 3
18
Freescale Semiconductor
Bus Signal Timing
B17a CLKOUT to KR, RETRY, CR valid
(hold time) (MIN = 0.00 x B1 + 2.00)
2.00
2.00
2.00
2.00
ns
B18
D(0:31), DP(0:3) valid to CLKOUT
rising edge (setup time) 8 (MIN = 0.00
x B1 + 6.00)
6.00
6.00
6.00
6.00
ns
B19
CLKOUT rising edge to D(0:31),
DP(0:3) valid (hold time) 8 (MIN = 0.00
x B1 + 1.00 9)
1.00
1.00
1.00
2.00
ns
B20
D(0:31), DP(0:3) valid to CLKOUT
falling edge (setup time) 10(MIN = 0.00
x B1 + 4.00)
4.00
4.00
4.00
4.00
ns
B21
CLKOUT falling edge to D(0:31),
DP(0:3) valid (hold Time) 10 (MIN =
0.00 x B1 + 2.00)
2.00
2.00
2.00
2.00
ns
B22
CLKOUT rising edge to CS asserted
GPCM ACS = 00 (MAX = 0.25 x B1 +
6.3)
7.60
13.80
6.30
12.50
5.00
11.30
3.80
10.00
ns
B22a CLKOUT falling edge to CS asserted
GPCM ACS = 10, TRLX = 0 (MAX =
0.00 x B1 + 8.00)
8.00
8.00
8.00
8.00
ns
B22b CLKOUT falling edge to CS asserted
GPCM ACS = 11, TRLX = 0, EBDF =
0 (MAX = 0.25 x B1 + 6.3)
7.60
13.80
6.30
12.50
5.00
11.30
3.80
10.00
ns
B22c CLKOUT falling edge to CS asserted
GPCM ACS = 11, TRLX = 0, EBDF =
1 (MAX = 0.375 x B1 + 6.6)
10.90
18.00
10.90
18.00
7.00
14.30
5.20
12.30
ns
B23
CLKOUT rising edge to CS negated
GPCM read access, GPCM write
access ACS = 00, TRLX = 0 & CSNT =
0 (MAX = 0.00 x B1 + 8.00)
2.00
8.00
2.00
8.00
2.00
8.00
2.00
8.00
ns
B24
A(0:31) and BADDR(28:30) to CS
asserted GPCM ACS = 10, TRLX = 0
(MIN = 0.25 x B1 - 2.00)
5.60
4.30
3.00
1.80
ns
B24a A(0:31) and BADDR(28:30) to CS
asserted GPCM ACS = 11 TRLX = 0
(MIN = 0.50 x B1 - 2.00)
13.20
10.50
8.00
5.60
ns
B25
CLKOUT rising edge to OE, WE(0:3)
asserted (MAX = 0.00 x B1 + 9.00)
9.00
ns
B26
CLKOUT rising edge to OE negated
(MAX = 0.00 x B1 + 9.00)
2.00
9.00
2.00
9.00
2.00
9.00
2.00
9.00
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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