參數(shù)資料
型號(hào): MPC859DSLCZP50A
廠商: Freescale Semiconductor
文件頁數(shù): 14/96頁
文件大?。?/td> 0K
描述: IC MPU POWERQUICC 50MHZ 357PBGA
標(biāo)準(zhǔn)包裝: 44
系列: MPC8xx
處理器類型: 32-位 MPC8xx PowerQUICC
速度: 50MHz
電壓: 1.8V
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
MPC866/MPC859 Hardware Specifications, Rev. 2
Freescale Semiconductor
21
Bus Signal Timing
B30
CS, WE(0:3) negated to A(0:31),
BADDR(28:30) invalid GPCM write
access 7 (MIN = 0.25 x B1 – 2.00)
5.60
4.30
3.00
1.80
ns
B30a WE(0:3) negated to A(0:31),
BADDR(28:30) invalid GPCM, write
access, TRLX = 0, CSNT = 1, CS
negated to A(0:31) invalid GPCM write
access TRLX = 0, CSNT =1 ACS = 10,
or ACS == 11, EBDF = 0 (MIN = 0.50 x
B1 – 2.00)
13.20
10.50
8.00
5.60
ns
B30b WE(0:3) negated to A(0:31) invalid
GPCM BADDR(28:30) invalid GPCM
write access, TRLX = 1, CSNT = 1. CS
negated to A(0:31) invalid GPCM write
access TRLX = 1, CSNT = 1, ACS =
10, or ACS == 11 EBDF = 0 (MIN =
1.50 x B1 – 2.00)
43.50
35.50
28.00
20.70
ns
B30c WE(0:3) negated to A(0:31),
BADDR(28:30) invalid GPCM write
access, TRLX = 0, CSNT = 1. CS
negated to A(0:31) invalid GPCM write
access, TRLX = 0, CSNT = 1 ACS =
10, ACS == 11, EBDF = 1 (MIN = 0.375
x B1 – 3.00)
8.40
6.40
4.50
2.70
ns
B30d WE(0:3) negated to A(0:31),
BADDR(28:30) invalid GPCM write
access TRLX = 1, CSNT =1, CS
negated to A(0:31) invalid GPCM write
access TRLX = 1, CSNT = 1, ACS = 10
or 11, EBDF = 1
38.67
31.38
24.50
17.83
ns
B31
CLKOUT falling edge to CS valid, as
requested by control bit CST4 in the
corresponding word in the UPM (MAX
= 0.00 X B1 + 6.00)
1.50
6.00
1.50
6.00
1.50
6.00
1.50
6.00
ns
B31a CLKOUT falling edge to CS valid, as
requested by control bit CST1 in the
corresponding word in the UPM (MAX
= 0.25 x B1 + 6.80)
7.60
14.30
6.30
13.00
5.00
11.80
3.80
10.50
ns
B31b CLKOUT rising edge to CS valid, as
requested by control bit CST2 in the
corresponding word in the UPM (MAX
= 0.00 x B1 + 8.00)
1.50
8.00
1.50
8.00
1.50
8.00
1.50
8.00
ns
B31c CLKOUT rising edge to CS valid, as
requested by control bit CST3 in the
corresponding word in the UPM (MAX
= 0.25 x B1 + 6.30)
7.60
13.80
6.30
12.50
5.00
11.30
3.80
10.00
ns
Table 9. 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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