參數(shù)資料
型號: KS8805B
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Universal Programmable PLL(通用可編程鎖相環(huán))
中文描述: 通用可編程鎖相環(huán)(通用可編程鎖相環(huán))
文件頁數(shù): 8/26頁
文件大?。?/td> 171K
代理商: KS8805B
KS8805B UNIVERSAL PROGRAMMABLE PLL
Reference Register (32 bits)
Bit
Bit 31
Bit 30
Bit 29
Bit 28
Bit 27 ~ 16
Ref - 12Bit
Bit 15
Bit 14
Bit 13 ~ 0
Aref - 14Bits
Name
PMC
AUXREN
TXRS
RXRS
REFD
REFS1
REFS2
AREFD
Description
Program
Mode
Control
Auxiliary
Reference
Block
Enable
TX
Ref.
Freq.
Select
RX
Ref.
Freq.
Select
Ref.
Program
Data
Ref.
Freq.
Select 1
Ref.
Freq
Select 2
Auxiliary
Reference
Program
Data
Auxiliary
14-bits
Programm-
0
REF
register
Disable
TXfREF
= fR2
RXfREF
= fR2
12-bits
Programm-
able
Reference
Counter
1
Control
register
Enable
TXfREF
= fR1
RXfREF
= fR1
able
Reference
Counter
<Table 2. Reference frequency select >
- Flow chart and timing diagram of the reference Register [PMC (Bit 31) = 0’ (Low state)]
When programming the reference register, PMC (bit 7) data must be set to ‘0’ and EN data pin is set to ‘High state’.
AUXREN
(Bit 30)
REFS1
(Bit 15)
REFS2
(Bit 14)
fR1
fR2
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
fREF 4
fREF
fREF 4
fREF 5
fREF 4
fREF
fREF 4
fREF 25
fREF 25
fREF 25
fRE 25
fREF 25
AUXFREF
AUXFREF
AUXFREF
AUXFREF
PMC
= 0
AUXREN
TXRS
RXRS
REFD
REFS1
REFS2
AREFD
< 12bits >
< 14bits >
DI
EN
CLK
Refer to
Table 2.
Operation
state
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