參數(shù)資料
型號(hào)： 570EAB000490DGR
廠商： SILICON LABORATORIES
元件分類： XO, clock
英文描述： CRYSTAL OSCILLATOR, CLOCK, 10 MHz - 810 MHz, LVPECL OUTPUT
封裝： ROHS COMPLIANT PACKAGE-8
文件頁(yè)數(shù)： 10/30頁(yè)
文件大?。?/td> 361K
代理商： 570EAB000490DGR
Si570/Si571
18
Rev. 1.1
Register 7. High Speed/N1 Dividers
Bit
D7D6D5D4D3D2D1D0
Name
HS_DIV[2:0]
N1[6:2]
Type
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 fOSC 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, ..., 27]. 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 = 27
Register 8. Reference Frequency
Bit
D7D6D5D4D3D2D1D0
Name
N1[1:0]
RFREQ[37:32]
Type
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, ..., 27]. 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 = 27
5:0
RFREQ[37:32]
Reference Frequency.
Frequency control input to DCO.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
570EAB000644DG 制造商:Silicon Laboratories Inc 功能描述:OSCILLATOR - Trays
570EAB000666DG 制造商:Silicon Laboratories Inc 功能描述:PROGRAMMABLE XO, LVPECL, 2.5V - Trays
570EAC000159DG 功能描述:可編程振蕩器 PROGRMABLE XO 8 PIN 0.3PS RS JTR RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負(fù)載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝:
570EAC000159DGR 制造商:Silicon Laboratories Inc 功能描述:SMD CRYSTAL OSC 148.5MHZ 2.5V 8SMD - Tape and Reel
570EAC000666DG 制造商:Silicon Laboratories Inc 功能描述:PROGRAMMABLE XO, LVPECL, 2.5V - Trays
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