10
2.2.
3 PW113 General
The PW113 integrates an industry-leading scaler, an advanced OSD engine, a flexible input
port system, system memory, and a powerful 80186-based horizontal and vertical image scaler
swith intelligent Auto Image Optimization circuitry The Image Processor supports NTSC or PAL
video data with a 4:3 aspect ratio and 16:9 aspect ratio sources, such as DVD or HDTV. Video
Input formats can be in either YUV4:4:4 (24 bit) or YUV4:2:2 (16 bit) input modes The PW113
uses an integrated PLL to synchronize the display interface timing to the input timing An
integrated OSD controller supports sophisticated bit-mapped based OSDs The OSD controller
supports transparent, translucent, and fade-in/ fade-out functions.
Pin Function Descriptions
Pin(s) name
Function
Video Port Pin Descriptions
71
VCLK
VPort Pixel Clock input
74
VVS
VPort Vertical Sync input
75
VHS
VPort Horizontal Sync input
69
VFIELD
VGPort Field Input
70
VPEN
VPort Pixel Enable
47 56 YUV0 YUV7
VGPort ITUR656 Pixel Data. I/O port
We use
47 MUTE mute control
48 PW1230E
PW1235output enable 49 VGASEL VGA/YpbPr select 50
S1 sound system control 51 DVIPD DVI interface standby
54 STANDBY power standby control 56 RST1 peripheral
IC reset
Graphics Port Pin Descriptions
31
GCLK
GPort Pixel Clock input
32
GVS
GPort Vertical Sync input
33
GHSSOG
GPort Horizontal Sync/GPort Sync- on-Green input
34
GPEN
GPort Pixel Enable input