參數(shù)資料
型號: S1M8837
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): 19/29頁
文件大?。?/td> 234K
代理商: S1M8837
FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1M8836/37
19
RF Fractional
Counter
MSB
W4[21:0]
LSB
RF_CTL_WORD[21:19]
FRAC_CNTR[18:2]
21
19 18
2 1
0
Program Code
Division Ratio of the RF Fractional
Counter
Control Bits
1
1
RF Fractional
Counter
Value (F
Counter)
FRAC_ CNTR[18:2] ; for S1M8836/37 RF
Counter Value (F)
F
16
0
0
0
0
1
1
1
F
15
0
0
0
0
1
1
1
F
14
1
0
0
0
1
1
0
F
13
1
0
0
0
1
1
0
F
12
1
0
0
0
1
1
0
F
11
1
0
0
0
1
1
0
F
10
0
0
0
0
1
1
1
F 9
F 8
F 7
F 6
F 5
F 4
F 3
F 2
F 1
F 0
31488
2
1
0
-1
-2
-31488
1
0
0
0
1
1
0
1
0
0
0
1
1
1
0
0
0
0
1
1
0
0
0
0
0
1
1
0
0
0
0
0
1
1
0
0
0
0
0
1
1
0
0
0
0
0
1
1
0
0
0
0
0
1
1
0
0
1
0
0
1
1
0
0
0
1
0
1
0
0
F Counter Value: -31488(2's complementary) to 31488
NOTE:
For a negative integer, the counter value should be inputted as the corresponding 2's complementary binary
code.
For instance, the 2's complementary binary code of -2 is 1 1111 1111 1111 1110.
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