WT8043
(Contd.)
Structure
of
Terminal
O,
open drain
O,
open drain
O,
open drain
O,
open drain
O,
open drain
O,
open drain
O,
Name
NEC
Function
NEC 640 x 400, 24.8kHz/ 56.4Hz timing mode
640 x 400
640 x 480
800 x 600
800 x 600
If IBM VGA 640 x 400 mode, or VESA VGA 640 x
400 mode then active "low"
If IBM VGA 640 x 480 mode, or VESA VGA 640 x
480 mode then active "low"
VESA super VGA mode Hsync freq. 35kHz
European super VGA mode Hsync freq. 37.5kHz
VESA new 75Hz Timing mode
800 x 600
(46.8k,75)
800 x 600
VESA new super VGA mode Hsync freq. 48kHz
IBM 8514/A interlace mode
open drain
O,
1024x768 (I)
open drain
O,
1024x768
(NI)
IBM 8514/A non-interlace mode
open drain
O,
1024x768
(57k)
XGA 1024x768 mode Hsync freq. 57kHz
VESA new 75Hz Timing mode
open drain
O,
1024x768
(60k, 75)
F72K
open drain
O,
Hysnc freq. discrimination control output if > 72 kHz
then active low, else high
open drain
VDD
5 Volts power supply
Weltrend Semiconductor, Inc.
2F., No. 24, Industry E. 9th Rd.
Science-Based Industrial Park
Hsin-Chu, Taiwan, R.O.C.
Tel: 886-35-780241
Fax: 886-35-770419
6
ETC [ ETC ]
