參數(shù)資料
型號: MPC859DSLCVR50A
廠商: Freescale Semiconductor
文件頁數(shù): 13/96頁
文件大?。?/td> 0K
描述: IC MPU POWERQUICC 50MHZ 357PBGA
標準包裝: 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
供應商設備封裝: 357-PBGA(25x25)
包裝: 托盤
MPC866/MPC859 Hardware Specifications, Rev. 2
20
Freescale Semiconductor
Bus Signal Timing
B28d CLKOUT falling edge to CS negated
GPCM write access TRLX = 0,1,
CSNT = 1, ACS = 10, or ACS = 11,
EBDF = 1 (MAX = 0.375 x B1 + 6.6)
18.00
18.00
14.30
12.30
ns
B29
WE(0:3) negated to D(0:31), DP(0:3)
High-Z GPCM write access, CSNT = 0,
EBDF = 0 (MIN = 0.25 x B1 - 2.00)
5.60
4.30
3.00
1.80
ns
B29a WE(0:3) negated to D(0:31), DP(0:3)
High-Z GPCM write access, TRLX = 0,
CSNT = 1, EBDF = 0 (MIN = 0.50 x B1
– 2.00)
13.20
10.50
8.00
5.60
ns
B29b CS negated to D(0:31), DP(0:3), High
Z GPCM write access, ACS = 00,
TRLX = 0,1 & CSNT = 0 (MIN = 0.25 x
B1– 2.00)
5.60
4.30
3.00
1.80
ns
B29c CS negated to D(0:31), DP(0:3) High-Z
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
B29d WE(0:3) negated to D(0:31), DP(0:3)
High-Z GPCM write access, TRLX = 1,
CSNT = 1, EBDF = 0 (MIN = 1.50 x B1
– 2.00)
43.50
35.50
28.00
20.70
ns
B29e CS negated to D(0:31), DP(0:3) High-Z
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
B29f WE(0:3) negated to D(0:31), DP(0:3)
High Z GPCM write access, TRLX = 0,
CSNT = 1, EBDF = 1 (MIN = 0.375 x
B1 – 6.30)
5.00
3.00
1.10
0.00
ns
B29g CS negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 0, CSNT
= 1 ACS = 10 or ACS = 11, EBDF = 1
(MIN = 0.375 x B1 – 6.30)
5.00
3.00
1.10
0.00
ns
B29h WE(0:3) negated to D(0:31), DP(0:3)
High Z GPCM write access, TRLX = 1,
CSNT = 1, EBDF = 1 (MIN = 0.375 x
B1 – 3.30)
38.40
31.10
24.20
17.50
ns
B29i CS negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 1, CSNT
= 1, ACS = 10 or ACS = 11, EBDF = 1
(MIN = 0.375 x B1 – 3.30)
38.40
31.10
24.20
17.50
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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