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): 19/32頁
文件大小: 248K
代理商: S1M8831A
FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1M8831A/33
19
RF N Counter
RF_NB_CNTR[12:16] ; 3 - 127
0
LSB
MSB
RF_N[23:0]
RF_CTL_WORD
[23:21]
23
20
2
1
1
0
Program Code
Division Ratio of the
RF N Counter
Control Bits
CMOS[20:18]
FoLD[5:2]
21
18
17
6
5
RF_CP_WORD
[17:13]
13
12
RF_NA_CNTR
[23:20]
TEST
FRAC_CNTR[18:2]
1
1
RF_Frac[23:0]
RF Main Counter Division Ratio (B Counter)
RF_NB_ CNTR[12:6] ; for S1M8831A/33
Division Ratio(B)
N
6
0
0
1
N
5
0
0
1
N
4
0
0
1
N
3
0
0
1
N
2
0
1
1
N
1
1
0
1
N
0
1
0
1
3
4
127
Division Ratio: 3 to 127 (The division ratios less than 3 are prohibited)
RF Swallow Counter Division Ratio (A Counter)
RF_NA_CNTR[23:20] ; for S1M8831A
RF_NA_CNTR[23:20] ; for S1M8833
Division Ratio(A)
N
3
x
x
x
N
2
0
0
1
N
1
0
0
1
N
0
0
1
1
Division Ration(A)
N
3
0
0
1
N
2
0
0
1
N
1
0
0
1
N
0
0
1
1
0
1
7
0
1
15
Division Ratio: 0 to 7 (B > A)
x = Don' t care condition
Division Ratio: 0 to 15 (B > A)
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