AL250 International Power Sources, Inc., AL250 Datasheet - Page 24

• Manufacturer Part Number: AL250
• Description: Video Scan Doubler
• Manufacturer: International Power Sources, Inc.

04h:
08h:
09h:
Note:
If PalDetected is always 1, the input mode is PAL. If PalDetected is not always 1, then the input mode
is NTSC.
0Ch: Border Color Red (R/W) [BORDERRED]
0Dh: Border Color Green (R/W) [BORDERGREEN]
0Eh:
SoftConfig
Chip Family (R) [FAMILY]
Family
Control (R/W) [CONTROL]
InVsPol
InHsPol
Softtime
OutHsPol
OutVsPol
OutFormat
Chip Status (R) [STATUS]
PalDetected
VidVs
HRef
VidHs
GVde
OvlCtrl0
OvlCtrl1
BorderRed
BorderGreen
Border Color Blue (R/W) [BORDERBLUE]
<0>
<3:1>
<4>
<7:5>
<7:0>
<0>
<1>
<2>
<3>
<4>
<5>
<7>
<0>
<1>
<2>
<3>
<4>
<5>
<6>
<7:0>
<7:0>
Reserved
Reserved
Enable configuration defined by software configuration
register 02h. Please refer to Reg.#02h
Reserved
25h, AL250/251 series
Reserved
Input vsync polarity
0
1
Input hsync polarity
0
1
Enable H & V adjustment (register 20h to 29h)
Output hsync polarity
0
1
Output vsync polarity
0
1
Output video format
0
1
PAL detected
External vsync
External href
External hsync
Internal gvde signal
External ovlctrl0
External ovlctrl1
Border color, red component
Border color, green component
negative polarity
positive polarity
negative polarity
positive polarity
negative polarity
positive polarity
negative polarity
positive polarity
16-bit RGB 565
CCIR YUV422
July 28, 1999
AL250
24