參數(shù)資料
型號(hào): SI5368A-C-GQ
廠商: Silicon Laboratories Inc
文件頁數(shù): 18/92頁
文件大?。?/td> 0K
描述: IC CLK MULTIPLIER ATTEN 100TQFP
標(biāo)準(zhǔn)包裝: 90
系列: DSPLL®
類型: 時(shí)鐘放大器,振動(dòng)衰減器
PLL:
輸入: 時(shí)鐘
輸出: CML,CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 4:5
差分 - 輸入:輸出: 是/是
頻率 - 最大: 1.42GHz
除法器/乘法器: 無/是
電源電壓: 1.71 V ~ 3.63 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-TQFP
供應(yīng)商設(shè)備封裝: 100-TQFP(14x14)
包裝: 托盤
Si5368
Rev. 1.0
25
6. Register Descriptions
Reset value = 0001 0100
Register 0.
Bit
D7
D6
D5
D4
D3
D2D1D0
Name
FREE_
RUN
CKOUT_
ALWAYS_ON
CK_CONFIG_
REG
BYPASS_
REG
Type
R
R/W
R
R/W
R
R/W
R
Bit
Name
Function
7
Reserved
6FREE_RUN
Free Run.
Internal to the device, route XA/XB to CKIN2. This allows the device to lock to its external
reference.
0: Disable Free Run
1: Enable
5CKOUT_
ALWAYS_ON
CKOUT Always On.
This will bypass the SQ_ICAL function. Output will be available even if SQ_ICAL is on
and ICAL is not complete or successful. See Table 9.
0: Squelch output until part is calibrated (ICAL).
1: Provide an output. Note: The frequency may be significantly off until the part is
calibrated.
4
Reserved
3
CK_CONFIG_
REG
CK_CONFIG_REG.
This bit controls the input clock configuration for either normal CLKIN function or FSYNC
operation. Whenever CK_CONFIG_REG = 1, FSYNC_ALIGN_MODE must not be set to
1.
0: CKIN_1, 2, 3, 4 inputs do not have a synchronized relationship. CLKOUT5 is an inde-
pendent output. There is no FSYNCOUT.
1: CKIN_1, 3 and CKIN_2, 4 Clock/FSYNC pairs. CKOUT5 is configured as the FSYNC
output.
2
Reserved
1
BYPASS_
REG
Bypass Register.
This bit enables or disables the PLL bypass mode. Use is only valid when the part is in
digital hold or before the first ICAL.
0: Normal operation
1: Bypass mode. Selected input clock is connected to CKOUT buffers, bypassing PLL.
Bypass mode does not support CMOS clock outputs.
0
Reserved
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SI5368B-B-GQR 制造商:Silicon Laboratories Inc 功能描述:
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