參數(shù)資料
型號(hào): FMS7950KWCX
英文描述: Miscellaneous Clock Generator
中文描述: 雜項(xiàng)時(shí)鐘發(fā)生器
文件頁(yè)數(shù): 3/9頁(yè)
文件大?。?/td> 72K
代理商: FMS7950KWCX
FMS7950
PRODUCT SPECIFICATION
REV. 1.0.0 1/9/01
3
Note:
1. Reference input could be either crystal input or TCLK input.
Table 1. Functionality
REF_SEL
0
0
0
1
1
1
PLL_EN
0
0
1
0
0
1
OE
1
0
0
1
0
0
PLL
By Pass
By Pass
Enabled
By Pass
By Pass
Enabled
All Outputs
Hi-Z
Running
Running
Hi-Z
Running
Running
Input
XTAL
XTAL
XTAL
TCLK
TCLK
TCLK
Table 2. Input Versus Output Frequency
DIV_SEL A DIV_SEL B DIV_SEL C DIV_SEL D
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
FBsel = 1
QB
FBsel = 0
QB
QA
4XRef 2XRef 2XRef 2XRef 8XRef 4XRef 4XRef 4XRef
4XRef 2XRef 2XRef
Ref
4XRef 2XRef
Ref
2XRef 8XRef 4XRef 2XRef 4XRef
4XRef 2XRef
Ref
Ref
4XRef
Ref
2XRef 2XRef 8XRef 2XRef 4XRef 4XRef
4XRef
Ref
2XRef
Ref
4XRef
Ref
Ref
2XRef 8XRef 2XRef 2XRef 4XRef
4XRef
Ref
Ref
Ref
2XRef 2XRef 2XRef 2XRef 4XRef 4XRef 4XRef 4XRef
2XRef 2XRef 2XRef
Ref
2XRef 2XRef
Ref
2XRef 4XRef 4XRef 2XRef 4XRef
2XRef 2XRef
Ref
Ref
2XRef
Ref
2XRef 2XRef 4XRef 2XRef 4XRef 4XRef
2XRef
Ref
2XRef
Ref
2XRef
Ref
Ref
2XRef 4XRef 2XRef 2XRef 4XRef
2XRef
Ref
Ref
Ref
QC
QD
QA
QC
QD
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
8XRef 4XRef 4XRef 2XRef
8XRef 4XRef 2XRef 2XRef
8XRef 2XRef 4XRef 2XRef
8XRef 2XRef 2XRef 2XRef
4XRef 4XRef 4XRef 2XRef
4XRef 4XRef 2XRef 2XRef
4XRef 2XRef 4XRef 2XRef
4XRef 2XRef 2XRef 2XRef
Table 3. Divide Select Functionality
DIV_SEL A
0
1
DIV_SEL B
0
1
DIV_SEL D
0
1
DIV_SEL D
0
1
QA
÷
2
÷
4
QB
÷
4
÷
8
QC
÷
4
÷
8
QD
÷
4
÷
8
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