AL701 Просмотр технического описания (PDF) - AverLogic Technologies Inc

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производитель

AL701

QUAD Video Processor

AverLogic Technologies Inc 

AL700/701/710

8 Register Definition

Registers are provided to setup AL700/701/710. These registers can be programmed via host

interface. The host interface protocol is illustrated in “Host Interface” paragraph. The application

notes will describe more detailed settings about these registers. Upon request, AverLogic will

provide the sample code or tool of host interface control software.

8.1 Register Set

Register Name Address R/W Default

Function

System Configuration

COMPANYID

00h R 46h Company ID

REVISION

01h R

Revision number

FAMILY

02h R 70/71h Chip family

SYSCONFIG

03h R/W 00h System configuration

DATAFORMAT

04h R/W 00h Input/Output data format

POLARITY

05h R/W 00h Signal polarity

Interruption Status and Mask

INTRSTATUS

06h R/W 00h Interruption status

INTRMASK

07h R/W 00h Interruption mask

Capture Control

CAPTURECTRL

08h R/W 00h Capture control

CAPHSTART

09h, 0Ah R/W 00h Horizontal capture start position

CAPVSTART

0Bh R/W 00h Vertical capture start position

VLOSSSIG

0Ch R/W 00h Video loss referred Signal

ADCTHRESHOLD 0Dh, 0Eh R/W 00h ADC threshold

DECSWCTR

0Fh R/W 00h Decoder switch control

Channel Configuration

CHACTRL

10h R/W 00h Channel A control

CHBCTRL

11h R/W 00h Channel B control

CHCCTRL

12h R/W 00h Channel C control

CHDCTRL

13h R/W 00h Channel D control

FULLBDRCTR

14h R/W 00h Full border line control

BDRBLINKCTR

15h R/W 00h Border line blink control

16h

Reserved

Display Control

INTENCOUTSEL

17h R/W 00h Internal encoder output selection

DISPLAYCTRL

18h R/W 00h Display control

MTROUTSEL

19h R/W 00h Monitor output configuration

PIPCTRL

1Ah R/W 00h Picture in picture control

DISPHSTART

1Bh, 1Ch R/W 00h Horizontal display start position

DISPVSTART

1Dh R/W 00h Vertical display start position

HZOOMSTART

1Eh R/W 00h The left boundary of zoom-in area

VZOOMSTART

1Fh R/W 00h The top boundary of zoom-in area

©2001,2002-Copyright by AverLogic Technologies, Corp. Preliminary Version C1.1 29

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