參數(shù)資料
型號(hào): KB8821
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Tantalum Molded Capacitor; Capacitance: 10uF; Voltage: 35V; Case Size: 3.2x6 mm; Packaging: Tape & Reel
中文描述: 頻率合成器
文件頁(yè)數(shù): 11/21頁(yè)
文件大?。?/td> 237K
代理商: KB8821
PRELIMINARY SPECIFICATION (V1.5)
FREQUENCY SYNTHESIZER
KB8821/22/23
11
99-06-15
FUNCTIONAL DESCRIPTION
- Continued
Control Bits
Programmable Reference Counter(IF / RF R Counter)
If the Control Bits are 00(IF) or 01(RF), data is moved from the 20-bit shift register into the R-latch which sets
the reference counter. Serial data format is shown in the table below.
Division Ratio of the R Counter, R Program Moes
Control Bits
15-Bit Programmable Reference Counter Ratio
Division ratio : 3 to 32767
Data are shifted in MSB first
Control Bits
DATA Location
C1
C2
0
0
IF R Counter
0
1
RF R Counter
1
0
IF N Counter
1
1
RF N Counter
C1
C2
R
1
R
2
R
3
R
4
R
5
R
6
R
7
R
8
R
9
R
10
R
11
R
12
R
13
R
14
R
15
R
16
R
17
R
18
R
19
R
20
Division
Ratio
R
15
R
14
R
13
R
12
R
11
R
10
R
9
R
8
R
7
R
6
R
5
R
4
R
3
R
2
R
1
3
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
4
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
32767
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
LSB
MSB
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