參數(shù)資料
型號: MPC970
廠商: Motorola, Inc.
英文描述: LOW VOLTAGE PLL CLOCK DRIVER
中文描述: 低壓PLL時鐘驅(qū)動器
文件頁數(shù): 4/16頁
文件大?。?/td> 213K
代理商: MPC970
MPC970
MOTOROLA
TIMING SOLUTIONS
BR1333 — Rev 6
4
MPC601_Clks
GNDO
BCLK0
VCCO
BCLK1
GNDO
BCLK2
VCCO
BCLK3
GNDO
BCLK4
VCCO
VCO_Sel
PCI_Div1
PCI_CLK4
VCCO
PCI_CLK3
GNDO
PCI_CLK2
PCI_Div0
VCCO
PCI_CLK1
GNDO
PCI_Clk0
VCCO
Ext_FB
V
2
G
B
V
P
G
P
B
V
P
G
B
G
M
F
F
F
C
P
R
I
V
T
x
x
40
41
42
43
44
45
46
47
48
49
50
51
52
25
24
23
22
21
20
19
18
17
16
15
14
1
2
3
4
5
6
7
8
9
10
11
12
13
39
38
37
36
35
34
33
32
31
30
29
28
27
26
MPC970
Figure 3. 52–Lead Pinout
(Top VIew)
FUNCTION TABLE 1
MPC601_Clks
2x_PCLK
PCLKEN
BCLKEN
BCLK
PCI_CLK
0
1
VCO/4
VCO/2
VCO/4
VCO/4
VCO/4
BCLK*
X
X
X
X
* Output is purposely delayed vs 2x_PCLK output.
FUNCTION TABLE 2
PCI_Div1
PCI_Div0
PCI_CLK
BCLK_Div1
BCLK_Div0
BCLK
0
0
1
1
0
1
0
1
BLCK
BCLK/2
BCLK/3
PCLKEN
0
0
1
1
0
1
0
1
PCLKEN
PCLKEN/2
PCLKEN/3
PCLKEN/4
FUNCTION TABLE 3
Control Pin
Logic ‘0’
Logic ‘1’
VCO_Sel
Ref_Sel
PLL_En
IntFB_Sel
fVCO/2
TCLK
Bypass PLL
Ext Feedback
fVCO
Crystal Osc
Enable PLL
Int Feedback
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