Rainbow Electronics W90P710CDG User Manual

Page 298

W90P710CD/W90P710CDG

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BITS

DESCRIPTIONS

[31:24] Reserved Reserved

[23:16] BLICNT

OSD Blinking Cycle Time
An 8-bit value specifies the OSD blinking cycle time (unit: Vsync)

[15:10] Reserved Reserved

[9] OSDBLI

OSD Blinking Control
0 = Disable
1 = Enable

[8] OSDCKY

OSD Color Key Control
0 = Disable
1 = Enable

[7] Reserved

Reserved

[6:4] VASYNW

Video Synthesis Weighting
Synthesized video= [Video x VASYNW+ OSD x (8-VASYNW)]/8

[3:2]

OCR1

Video/OSD overlay control 1
When display region with OSD window, color-key condition match
00 = Display video data
01 = Display OSD data
10 = Display synthesized (Video+OSD) data

[1:0] OCR0

Video/OSD overlay control 0
When display region with OSD window, color-key condition un-match
00 = Display video data
01 = Display OSD data
10 = Display synthesized (Video+OSD) data

OSD Overlay Color Key Pattern Register (OSDOVCKP)

REGISTER

ADDRESS

R/W

DESCRIPTION

RESET VALUE

OSDOVCKP 0xFFF0_80A8 R/W OSD

Overlay Color-Key Pattern

0x0000_0000

Reserved

OSDRKYP

OSDGKYP

OSDBKYP