ML6431 Data Register Settings*
Resolution
# Pixels
per Line
Refresh
Rate
Horizontal
Frequency
Pixel
Frequency
Standard
Type
Original
Standard #
Freq. Std.
PALXtal
Pixel Reg PherrOut VGA
External
Xtal Used Clk Output
Pixel
Horizontal
Pulses
Vertical
Pulses
640 x 480
800
60 Hz
72 Hz
75 Hz
56 Hz
60 Hz
72 Hz
75 Hz
31.5 KHz
37.9 KHz
37.5 KHz
35.1 KHz
37.9 KHz
48.1 KHz
46.9 KHz
25.175 MHz
31.500 MHz
31.500 MHz
36.000 MHz
40.000 MHz
50.000 MHz
49.500 MHz
44.900 MHz
65.000 MHz
75.000 MHz
Industry
VESA
VESA
VESA
VESA
VESA
VESA
Industry
VESA
VESA
NTSC Sq Pix =000
NTSC Sq Pix =000
NTSC Sq Pix =000
PAL 4FSC =101
NTSC Sq Pix =000
NTSC Sq Pix =000
NTSC Sq Pix =000
PAL 4FSC =101
1
0
0
1
1
1
1
0
0
0
572
640
656
512
544
528
544
752
832
816
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4.43
4.43
4.43
4.43
3.58
4.43
4.43
4.43
4.43
3.58
2X
2X
2X
4X
4X
4X
4X
4X
4X
“Hsync,Hreset” Vreset
“Hsync,Hreset” Vreset
“Hsync,Hreset” Vreset**
“Hsync,Hreset” Vreset
“Hsync,Hreset” Vreset**
“Hsync,Hreset” Vreset**
“Hsync,Hreset” Vreset**
“Hsync,Hreset” Vreset**
“Hsync,Hreset” Vreset**
832
VS901101
VDMT75HZ
VG900601
VG900602
VS900603A
VDMT75HZ
840
800 x 600
1024
1056
1040
1056
1264
1344
1328
1024 x 768
43 Hz/Int 35.5 KHz
60 Hz
70 Hz
48.4 KHz
56.5 KHz
VG901101A
VS910801-2
PAL 601 = 011
PAL 4FSC =101
4X & clk
doubler
No
No
*For Data Register Settings: TTL = High, VGA = On, VCR = Off, Noise Gating = On, Dis Auto Ver Det = 1
** w/ external glue logic
Table 6. VGA Rates Supported
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
