GS1661A datasheet(7/85 Pages) SEMTECH

Part #	GS1661A

Description	HD/SD SDI Receiver, with Integrated Adaptive Cable Equalizer complete with SMPTE Video Processing

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Manufacturer	SEMTECH [Semtech Corporation]

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GS1661A HD/SD SDI Receiver

Data Sheet

54387 - 2

September 2012

7 of 85

1. Pin Out

1.1 Pin Assignment

1.2 Pin Descriptions

13

2

4

567

8

9

10

A

B

C

D

E

F

G

H

J

K

PCLK

DVB_ASI

20bit/

10bit

LF

SDO

STANDBY

RSV

JTAG/

HOST

RESET

_TRST

A_VDD

CORE

_GND

SDO

VBG

SDI

BUFF_

VDD

SDO_

EN/DIS

LB_CONT

VCO_

VDD

VCO_

GND

RSV

PLL_

VDD

A_GND

STAT0

STAT1

STAT2

STAT3

STAT4

STAT5

CORE

_GND

CORE

_GND

CORE

_GND

CORE

_VDD

CORE

_VDD

CORE

_VDD

CORE

_VDD

DOUT1

DOUT0 DOUT2 DOUT3

DOUT4 DOUT5

DOUT6 DOUT7

DOUT8 DOUT9

DOUT10 DOUT11

DOUT14 DOUT13

DOUT16 DOUT15

DOUT18 DOUT17

DOUT19

DOUT12

IO_VDD

IO_GND

PLL_

VDD

PLL_

GND

PLL_

VDD

A_GND

RC_BYP

SW_EN

IO_GND IO_VDD

EQ_VDD EQ_GND

PLL_

GND

PLL_

GND

AGCP

RSV

SDOUT_

TDO

CS_

TMS

SDIN_

TDI

SCLK_

TCK

SMPTE_

BYPASS

IO_GND IO_VDD

TIM_861

XTAL_

OUT

XTAL2

XTAL1

IO_GND

IO_VDD

IOPROC_

EN/DIS

AGCN

A_GND

BUFF_

GND

CORE

_GND

RSV

CORE

_GND

Table 1-1: Pin Descriptions

Number

Name

Timing

Type

Description

A1

VBG

Analog Input

Band Gap voltage filter connection.

A2

LF

Analog Input

Loop Filter component connection.

A3

LB_CONT

Analog Input

Connection for loop bandwidth control resistor.

A4

VCO_VDD

Input Power

POWER pin for the VCO. Connect to a 1.2V±5% analog supply

followed by a RC filter (see 5.3 Typical Application Circuit). A 105

Ω

1% resistor must be used in the RC filter circuit. VCO_VDD is

nominally 0.7V.

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