參數(shù)資料
型號(hào): S1M8831A
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
中文描述: 分?jǐn)?shù)N射頻/整數(shù)N如果雙鎖相環(huán)
文件頁數(shù): 17/32頁
文件大?。?/td> 248K
代理商: S1M8831A
FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1M8831A/33
17
Programmable Reference Counter (IF_R_CNTR[16:2])
If the control bit is 00, data is moved from the 24-bit shift register into the R-latch which sets the IF reference
counter. Serial data format is shown in the table below.
IF_R_CNTR[16:2] ; 3 ~ 32767
0
LSB
MSB
RIF_R[23:0]
TEST
23
17 16
2 1
0
0
Reserved for Test
Division Ratio of the IF R Counter,
IF_R_CNTR(RI)
Control Bits
15-Bit IF R Counter Division Ratio
Division ratio: 3 to 32767 (The divide ratios less than 3 are prohibited)
Data are shifted in MSB first
Division Ratio
RI
14
0
0
1
RI
13
0
0
1
RI
12
0
0
1
RI
11
0
0
1
RI
10
0
0
1
RI
9
0
0
1
RI
8
0
0
1
RI
7
0
0
1
RI
6
0
0
1
RI
5
0
0
1
RI
4
0
0
1
RI
3
0
0
1
RI
2
0
0
1
RI
1
0
0
1
RI
0
0
0
1
3
4
32767
RF R Counter Division Ratio
Division Ratio: 2 (fixed value. Note it is not programmable.)
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S1M8831A/33 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
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