參數(shù)資料
型號(hào): KS8808A
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: PLL Frequency Synthesizer for Pager(呼機(jī)的鎖相環(huán)頻率合成器)
中文描述: 鎖相環(huán)頻率合成傳呼機(jī)(呼機(jī)的鎖相環(huán)頻率合成器)
文件頁數(shù): 6/10頁
文件大?。?/td> 91K
代理商: KS8808A
KS8808A
PLL Frequency Synthesizer for Pager
TEL-98-D001-R1
Jan 1998
Preliminary
7
Program Scheme (
A
-controller )
Rx. Register ( 17 bits )
Name
Description
Function
PMC
Program Mode
Control
Bit
Bit 16 ( ND 15 ) ~ Bit 1 ( ND 0 )
Bit 0 ( LSB )
RxD
Rx. Program
Data ( ND 15 ~ ND 0 )
16-Bit Programmable
Rx. N-Counter
0 : Rx.
N-Counter
1 : Ref.
R-Counter
Reference Register ( 17 bits )
Name
Description
Function
PMC
Program Mode
Control
Bit
Bit 16 ( RD 13 ) ~ Bit 3 ( RD 0 )
Bit 0 ( LSB )
RefD
Ref. Program
Data ( RD 13 ~ RD 0 )
14 Bit Programmable
Ref. R-Counter
0 : Rx.
N-Counter
1 : Ref.
R-Counter
Bit 2
Bit 1
FRC FnFr
CONTROL MODE
Y
0 : No FRC
(OSCI / 4R)
1 : FRC
(OSCI / R)
0 : Fn,Fr
function
1 : Fn,Fr
Low
Y
CONTROL MODE
FRC
FnFr
Fn ( Pin14 )
Fn out ( Fin / N counter)
LOW
Fn out ( Fin / N counter)
LOW
Fr ( Pin15 )
Fr out ( OSCI / 4 x R )
LOW
Fr out ( OSCI / R )
LOW
0
0
0
1
1
0
1
1
6
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