參數(shù)資料
型號: SI570
廠商: Silicon Laboratories Inc.
英文描述: ANY-RATE I2C PROGRAMMABLE XO/VCXO
中文描述: 任意頻率I2C可編程振蕩器/壓控
文件頁數(shù): 15/26頁
文件大?。?/td> 295K
代理商: SI570
Si570/Si571
Rev. 0.3
15
Register 7. High Speed/N1 Dividers
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
HS_DIV[2:0]
N1[6:2]
Type
R/W
R/W
Bit
Name
Function
7:5
HS_DIV[2:0]
DCO High Speed Divider.
Sets value for high speed divider that takes the DCO output f
OSC
as its clock input.
000 = 4
001 = 5
010 = 6
011 = 7
100 = Not used.
101 = 9
110 = Not used.
111 = 11
4:0
N1[6:2]
CLKOUT Output Divider.
Sets value for CLKOUT output divider. Allowed values are [1] and [2, 4, 6, ..., 2
7
]. Illegal
odd divider values will be rounded up to the nearest even value. The value for the N1 reg-
ister can be calculated by taking the divider ratio minus one. For example, to divide by 10,
write 0001001 (9 decimal) to the N1 registers.
0000000 = 1
1111111 = 2
7
Register 8. Reference Frequency
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
N1[1:0]
RFREQ[37:32]
Type
R/W
R/W
Bit
Name
Function
7:6
N1[1:0]
CLKOUT Output Divider.
Sets value for CLKOUT output divider. Allowed values are [1, 2, 4, 6, ..., 2
7
]. Illegal odd
divider values will be rounded up to the nearest even value. The value for the N1 regis-
ter can be calculated by taking the divider ratio minus one. For example, to divide by
10, write 0001001 (9 decimal) to the N1 registers.
0000000 = 1
1111111 = 2
7
5:0
RFREQ[37:32]
Reference Frequency.
Frequency control input to DCO.
相關(guān)PDF資料
PDF描述
Si571 ANY-RATE I2C PROGRAMMABLE XO/VCXO
SI5853DC Single P-Ch MOSFET; with integrated Schottky;
SI5853DC-T1 P-Channel 1.8-V (G-S) MOSFET With Schottky Diode
SI5855DC Single P-Ch MOSFET; with integrated low-VF Schottky;
SI5855DC-T1 P-Channel 1.8-V (G-S) MOSFET With Schottky Diode
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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