lc7874e Sanyo Semiconductor Corporation, lc7874e Datasheet - Page 16

• Manufacturer Part Number: lc7874e
• Description: Cd Graphics Decorder
• Manufacturer: Sanyo Semiconductor Corporation

8. Color bar output: CB
Drawing Functions (Graphic Functions)
1. Operating modes (scan operation, display operation)
2. Display functions
Microcontroller Interface (CCB)
1. Transfer format (for command transfer)
When the CB pin is driven high, color bars are output from the video output pins. Details of the color bars are shown
below.
NTSC mode
• Non-interlace
• Dot clock
• System clock
PAL mode
• Non-interlace
• Dot clock
• System clock
PAL60 mode
• Non-interlace
• Dot clock
• System clock
• Display resolution
• Image data area
• 16-color display
Transfer format (example)
288 dots 192H
300 dots 216H
Selection of 16 colors from 4096
60 Hz (262 or 263 lines)
2fsc: 7.15909 MHz (T = 139.67 ns)
4fsc: 14.31818 MHz
50 Hz (312 or 314 lines)
4fsc 2/5: 7.09379 MHz (T = 140.97 ns)
4fsc: 17.734476 MHz
60 Hz (262 or 263 lines)
4fsc 2/5: 7.09379 MHz (T = 140.97 ns)
4fsc: 17.734476 MHz
LC7874E
BORDER (BLACK)
White
Gray
Yellow
Cyan
Green
Magenta
Red
Blue
R
B
O
O
O
O
F
F
F
F
G
B
O
O
O
O
F
F
F
F
O
O
O
O
B
F
B
F
F
F
No. 5521-16/22