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  NEC Electronic Components Datasheet  

UPD6467 Datasheet

ON-SCREEN CHARACTER DISPLAY CMOS IC FOR 512-CHARACTER/ 12-ROW/ 28-COLUMN/ CAMERA-CONTAINED VCR

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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD6467
ON-SCREEN CHARACTER DISPLAY CMOS IC FOR 512-CHARACTER,
12-ROW, 28-COLUMN, CAMERA-CONTAINED VCR
The µPD6467 is a CMOS LSI for on-screen character display, and can be used in combination with a microcomputer
to display the tape counter, time, and date in the view finder of a video camera, or the time of a video tape, messages
such as dates on pictures, and channel number on a TV screen.
Characters are displayed in 12 (horizontal) by 18 (vertical) dots. Two or more characters can be combined to display
Kanji (Japanese characters) and symbols. This LSI supports color view finders and is provided with three sets of
character output signals (RGB output: for color view finder, VC1 output: for recording (or monitor pin), VC2 output: for
monitor pin (or recording)).
In addition, the µPD6467 is also equipped with a power-ON clear function and a video RAM batch clear command
so that it can mitigate the workload of the microcomputer.
The command format of this LSI is identical to that of the existing models, the µPD6461, 6462 and 6466, and
therefore, the µPD6467 is compatible with the existing models, and the software resources for the existing models
can be used.
FEATURES
• Number of display characters : 12 rows, 28 columns (336 characters)
• Types of character
: 512 types (ROM). Changeable by using mask code option.
• Character size
: Can be expanded up to four-fold in vertical and horizontal directions
independently, in units of lines.
• Number of character colors
: 8 colors
• Framing
: Framing or no framing, or white or black framing selectable in screen units.
• Dot matrix
: 12 (horizontal) × 18 (vertical) dot configuration. No gap between adjacent
characters.
• Blinking
: Blinking can be turned ON/OFF in character units. The blinking ratio is 1:1.
The blinking frequency can be selected from about 1 Hz, about 2 Hz, and
about 0.5 Hz in screen unit.
• Character color reversing function : The color of the character and that of the background can be reversed.
• Character left and right reverse : Left and right can be reversed for display in character units.
• Background
: No background, blank background, or filled background selectable in screen
units.
• Blue back function
: Blue or white can be selected as the background.
• External dot clock input
: Frequency 2-divide function is selectable.
• Signal output
: 3 sets (output (1) R, G, B + BLK/VC1 + VBLK1/VC2 + VBLK2 and output (2) R +
RBLK/B + BBLK/G + GBLK selectable by command)
When output (1) is selected, VC1 and VC2 outputs can be selected from three
types.
• Video RAM data clear
: Implemented by video RAM batch clear command or by clear function on
power-ON.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for availability
and additional information.
Document No. S14455EJ1V0DS00 (1st edition)
Date Published November 1999 N CP(K)
Printed in Japan
©
1999


  NEC Electronic Components Datasheet  

UPD6467 Datasheet

ON-SCREEN CHARACTER DISPLAY CMOS IC FOR 512-CHARACTER/ 12-ROW/ 28-COLUMN/ CAMERA-CONTAINED VCR

No Preview Available !

µPD6467
• Interface with microcomputer
• Supply voltage
• Process
• Small package size
: 8-bit variable word length serial input (LSB first/MSB first selectable by
command)
: Supports low voltage (2.0 to 3.6 V)
: CMOS low power consumption
: 20-pin plastic shrink SOP (225 mil)
ORDERING INFORMATION
Part Number
µPD6467GR-xxx
Package
20-pin plastic shrink SOP (225 mil)
Remarks 1. NEC’s standard model is the µPD6467GR-001.
For the details of the character generator ROM, refer to 5. CHARACTER PATTERNS.
2. xxx indicates a ROM code suffix.
2 Data Sheet S14455EJ1V0DS00


Part Number UPD6467
Description ON-SCREEN CHARACTER DISPLAY CMOS IC FOR 512-CHARACTER/ 12-ROW/ 28-COLUMN/ CAMERA-CONTAINED VCR
Maker NEC
Total Page 30 Pages
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