參數(shù)資料
型號: SI5374B-A-GL
廠商: Silicon Laboratories Inc
文件頁數(shù): 15/69頁
文件大?。?/td> 0K
描述: IC CLK GEN/JITTER ATTEN 80LBGA
標(biāo)準(zhǔn)包裝: 240
系列: DSPLL®
類型: 時鐘發(fā)生器,漂移衰減器
PLL:
輸入: 時鐘
輸出: CML,CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 8:8
差分 - 輸入:輸出: 是/是
頻率 - 最大: 808MHz
除法器/乘法器: 是/是
電源電壓: 1.71 V ~ 2.75 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 80-LBGA
供應(yīng)商設(shè)備封裝: 80-BGA(10x10)
包裝: 托盤
其它名稱: 336-2046
Si5374
22
Rev. 1.1
7. Register Descriptions
Reset value = 0001 0100
Register 0.
Bit
D7
D6
D5
D4D3D2
D1
D0
Name
FREE_RUN CKOUT_ALWAYS_ON
BYPASS_REG
Type
RR/W
R/W
R
R/W
R
Bit
Name
Function
7
Reserved
Reserved.
6
FREE_RUN
Free Run.
Internal to the device, route XA/XB to CKIN2. This allows the DSPLL to lock to
its XA-XB reference to support free-running clock generation.
0: Disable
1: Enable
5
CKOUT_ALWAYS_ON CKOUT Always On.
This will bypass the SQ_ICAL function. Output will be available even if SQ_I-
CAL is on and ICAL is not complete or successful. See Table 9 on page 56.
0: Squelch output until device is calibrated (ICAL).
1: Provide an output.
Notes:
1.
The frequency may be significantly off until the device is calibrated.
2.
Must be set to 1 to control output to output skew.
4:2
Reserved
Reserved.
1
BYPASS_REG
Bypass Register.
This bit enables or disables PLL bypass mode. Use only when the device is in
digital hold or before the first ICAL. Bypass mode does not support CMOS
clock outputs.
0: Normal operation
1: Bypass mode. Selected input clock is connected to CKOUT buffers, bypass-
ing PLL.
0
Reserved
Reserved.
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Si5374-EVB 功能描述:時鐘和定時器開發(fā)工具 QUAD DSPLL 8IN/8OUT CLOCK EVAL KIT RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類型:Clock Conditioners 工具用于評估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V
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