AL700 Ver la hoja de datos (PDF) - AverLogic Technologies Inc

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Fabricante

AL700

QUAD Video Processor

AverLogic Technologies Inc 

AL700/701/710

03h

SYSCONFIG

R/W

[7]

[6]

[5]

[4]

[3]

[2]

[1]

[0]

disp_tstb cap_tstb dram_rstb Intr_pol Reserved OSDsource ITU-R- Vsystem

601-16bit

SYSCONFIG: Defines the system configurations.

Vsystem

<0> Video system (default value is 0)

0

525 line system (like as NTSC)

1

625 line system (like as PAL/SECAM)

ITU-R-601_16bit <1> Bus width of ITU-R-601 output data (default value is 0)

0

8 bits

1

16 bits (suitable for AL250/251)

OSDsource

<2> Select OSD source (default value is 0)

0

Use internal OSD controller

1

Use external OSD IC

Intr_pol

<4> Defines interrupt active level (default value is 0)

0

Interrupt active Low

1

Interrupt active High

dram_rstb

<5> Used to reset the SDRAM interface (default value is 0)

0

Normal

1

Reset SDRAM interface

cap_rstb

<6> Used to rest capture interface (default value is 0)

0

Normal

1

Reset capture interface

disp_rstb

<7> Used to reset display interface (default value is 0)

0

Normal

1

Reset display interface

©2001,2002-Copyright by AverLogic Technologies, Corp. Preliminary Version C1.1 33

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