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): 24/32頁
文件大?。?/td> 248K
代理商: S1M8831A
S1M8831A/33
FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
24
Reference Oscillator Input Control
Control Words
OSC
Control bits
IF_N[22]
Acronym
OSC
LOW (0)
separate inputs;
OSCin: for IF,
OSCx: for RF
HIGH (1)
common input
through OSCin
for both RF and
IF
Comments
reference
oscillator input
control
The reference oscillator frequency is provided from an external reference such as TCXO through the OSCin and
OSCx pins. When the OSC bit is LOW, the oscillator input pins( OSCin and OSCx) drive the IF R and RF R
counters separately. When the OSC bit is HIGH, on the other hand, the oscillator input pin OSCin drives the IF R
and RF R counters commonly.
IF_N[22] = LOW
PWDN_IF
IF_N[20]
0
PWDN_RF
RF_N[22]
0
IF
RF
OSC
in
OSC
in
OSC
x
0
1
LOW(powerdown)
1
0
LOW(powerdown)
OSC
x
1
1
LOW(powerdown)
LOW(powerdown)
IF_N[22] = HIGH
PWDN_IF
IF_N[20]
0
PWDN_RF
RF_N[22]
0
IF
RF
OSC
in
OSC
in
OSC
in
0
1
LOW(powerdown)
1
0
LOW(powerdown)
OSC
in
1
1
LOW(powerdown)
LOW(powerdown)
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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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