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GS2985 Datasheet, PDF (2/45 Pages) Gennum Corporation – Uses standard 27MHz crystal | |||
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XTAL-
XTAL+
XTAL_BUF_OUT
XTAL
OSC
Buffer
DDI0
DDI0
DDI1
DDI1
DDI2
DDI2
DDI3
DDI3
Equalizer/
Data Mux
Phase
Frequency
Detector
Phase
Detector
Selectable
Divide
LOS
SPI
Detect
CP_CAP
LF+ KBB
LDO
Retimer
Charge
Pump
VCO
Selectable
Divide
Control
Data
Buffer
Clock/
Data
Buffer
DDO0
DE0_EN
DDO0
DDO1/RCO
DE1_EN
DDO1/RCO
1.8V
LDO
DDI_SEL[1:0] LOS
Revision History
SS[1:0] AUTO/MAN
LOCKED
SD/HD
BYPASS
DATA/CLOCK DDO1_DISABLE
AUTOBYPASS
DATA_MUTE
VDD_1p8
GS2985 Functional Block Diagram
Version ECR
PCN
5
158296
â
4
158127
â
3
158063
â
2
153705
â
1
152592
â
0
152329
â
D
152240
â
C
152042
â
Date
July 2012
May 2012
May 2012
March 2010
September
2009
July 2009
July 2009
June 2009
Changes and/or Modifications
Removed jumper from Figure 5-1:
GS2985 Typical Application Circuit.
Corrected 4.15.3 section to make it
easier to follow and changed to
Semtech Template.
Corrected DRIVER_1 [7:5] Function
Description in Table 4-12: Host Register
Map
Converted to Data Sheet. Updated
Power numbers in Table 2-1: DC
Electrical Characteristics. Added Table
4-5: Suggested LOS Threshold Settings.
Updates to Section 4.15 Host Interface.
Converted document to Preliminary
Data Sheet.
Added Figure 4-2: De-emphasis
Waveform.
Removed âProprietary & Confidentialâ
from document.
GS2985 Multi-Rate SDI Reclocker with Equalization &
De-emphasis
Data Sheet
36663 - 5
July 2012
2 of 45
Proprietary & Confidential
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