參數(shù)資料
型號(hào): SI5374B-A-GL
廠商: Silicon Laboratories Inc
文件頁數(shù): 18/69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(shí)鐘發(fā)生器,漂移衰減器
PLL:
輸入: 時(shí)鐘
輸出: CML,CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 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
Rev. 1.1
25
Reset value = 0000 0101
Register 3.
Bit
D7D6D5D4D3
D2D1D0
Name
CKSEL_REG[1:0]
DHOLD
SQ_ICAL
Type
R/W
R
Bit
Name
Function
7:6
CKSEL_REG [1:0] CKSEL_REG.
If the device is operating in register-based manual clock selection mode
(AUTOSEL_REG = 00), and CKSEL_PIN = 0, then these bits select which input
clock will be the active input clock. If CKSEL_PIN = 1 and AUTOSEL_REG = 00, the
CS_CA input pin continues to control clock selection and CKSEL_REG is of no con-
sequence.
00: CKIN_1 selected.
01: CKIN_2 selected.
10: Reserved
11: Reserved
5
DHOLD
DHOLD.
Forces the device into digital hold. This bit overrides all other manual and automatic
clock selection controls.
0: Normal operation.
1: Force digital hold mode. Overrides all other settings and ignores the quality of the
input clocks.
4
SQ_ICAL
SQ_ICAL.
This bit determines if the output clocks will remain enabled or be squelched (dis-
abled) during an internal calibration. See Table 9 on page 56.
0: Output clocks enabled during ICAL.
1: Output clocks disabled during ICAL.
3:0
Reserved
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