UPD6461 Description
DATA SHEET µPD6461, 6462 CMOS LSI CHIP FOR CAMCORDER ON-SCREEN CHARACTER DISPLAY (12 ROWS × 24 COLUMNS) MOS INTEGRATED CIRCUIT The µPD6461, 6462 are CMOS LSI chips designed to provide on-screen character display for camcorders. When bined with a microcontroller, the µPD6461, 6462 control the display of the characters displayed in the viewfinder (count, time, date, etc.) and the recording of characters onto video...
UPD6461 Key Features
- Maximum number of characters: 12 rows × 24 columns (288 characters)
- Number of character patterns : 256 (µPD6461)/128 (µPD6462) (stored in ROM). Each pattern can be changed by specifying a
- Character size
- Number of character colors
- Background : One dot per line or one dot per two lines (field) : 8 : No background, minimum background, or overall backg
- Dot matrix
- Blinking
- Reversed characters
- Clearing of video RAM : Video RAM batch clear mand and power-on clear function by specifying a mask option.)
- Supply voltage : Low-voltage operation possible (supply voltage range: 2.7 to 5.5 V)