GS1582 데이터 시트보기 (PDF) - Semtech Corporation

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GS1582

Multi-Rate Serializer with Cable Driver, Audio Multiplexer and ClockCleaner™

Semtech Corporation 

Table 1-1: Pin Descriptions (Continued)

Pin

Number

D3

D4

D6, D7, D8,

E4, E8, F8

E3

E10

F1, F2, H1,

H2, J1, J2,

J3, K1, K2,

K3

Name

STANDBY

SDO_EN/DIS

NC

SD/HD

CD_VDD

DIN[9:0]

Timing

Type Description

Non

Synchronous

Non

Synchronous

–

Input

Input

–

CONTROL SIGNAL INPUT

Signal levels are LVCMOS/LVTTL compatible.

Power down input.

When set HIGH, the device will be in standby mode.

CONTROL SIGNAL INPUT

Signal levels are LVCMOS/LVTTL compatible.

Used to enable or disable the serial digital output stage.

When set LOW, the serial digital output signals SDO and SDO are

disabled and become high impedance.

When set HIGH, the serial digital output signals SDO and SDO are

enabled.

The SDO and SDO outputs will also be high impedance when the

RESET pin is LOW.

No connect. Not connected internally.

Non

Synchronous

Analog

Synchronous

with PCLK

Input

Input

Power

Input

CONTROL SIGNAL INPUT

Signal levels are LVCMOS/LVTTL compatible.

When set LOW, the device will be configured to transmit signals of

1.485Gb/s - 1.485/1.001Gb/s rates only.

When set HIGH, the device will be configured to transmit signals of

a 270Mb/s rate only.

Power supply connection for the serial digital cable driver. Connect

to +3.3V DC analog.

PARALLEL DATA BUS

Signal levels are LVCMOS/LVTTL compatible.

DIN9 is the MSB and DIN0 is the LSB.

HD 20-bit mode

SD/HD = LOW

20bit/10bit = HIGH

Chroma data input in SMPTE mode

SMPTE_BYPASS =HIGH

DVB_ASI = LOW

Data input in Data-Through mode

SMPTE_BYPASS = LOW

DVB_ASI = LOW

HD 10-bit mode

SD/HD = LOW

20bit/10bit = LOW

High impedance in all modes.

SD 20-bit mode

SD/HD = HIGH

20bit/10bit = HIGH

Chroma data input in SMPTE mode

SMPTE_BYPASS = HIGH

DVB_ASI = LOW

Data input in Data-Through mode

SMPTE_BYPASS = LOW

DVB_ASI = LOW

Forced low in DVB-ASI mode

SMPTE_BYPASS = LOW

DVB_ASI = HIGH

SD 10-bit mode

SD/HD = HIGH

20bit/10bit = LOW

High impedance in all modes.

GS1582 Multi-Rate Serializer with Cable Driver, Audio

Multiplexer and ClockCleanerTM

Data Sheet

40117 - 4

December 2011

13 of 115

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