參數資料
型號： MPC862PZQ50B
廠商： Freescale Semiconductor
文件頁數： 14/88頁
文件大?。?/td> 0K
描述： IC MPU PWRQUICC 50MHZ 357-PBGA
標準包裝： 44
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
MPC862/857T/857DSL PowerQUICC Family Hardware Specifications, Rev. 3
Freescale Semiconductor
21
Bus Signal Timing
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
B31d CLKOUT falling edge to CS valid, as
requested by control bit CST1 in the
corresponding word in the UPM
EBDF = 1 (MAX = 0.375 x B1 + 6.6)
9.40
18.00
7.60
16.00
13.30
14.10
11.30
12.30
ns
B32
CLKOUT falling edge to BS valid- as
requested by control bit BST4 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
B32a CLKOUT falling edge to BS valid - as
requested by control bit BST1 in the
corresponding word in the UPM,
EBDF = 0 (MAX = 0.25 x B1 + 6.80)
7.60
14.30
6.30
13.00
5.00
11.80
3.80
10.50
ns
B32b CLKOUT rising edge to BS valid - as
requested by control bit BST2 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
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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