PT6302
VFD Driver/Controller IC with Character RAM
DESCRIPTION
PT6302 is a dot matrix VFD Driver/Controller IC
utilizing CMOS Technology specially designed to
display characters, numerals, and symbols. PT6302
provides 35 dot matrix, 2 additional segment drivers
and 16 grid drivers. 248 types of character data
(CGROM), 8 types of character data (CGRAM), 16
display digits x 2 bits symbol data, 16 display digits x 8
bits register for character data display and 2 general
output bits for static operation are provided. Pin
assignments and application circuit are optimized for
easy PCB layout and cost saving advantages.
FEATURES
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CMOS technology
Logic power supply: VDD=3.3V±10% or 5.0V±10%
VFD drive power supply: VEE=-20V to -35V
Built-in oscillation circuit (External RC)
One-byte instruction execution (not including Data
Write to RAM)
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Microcontroller interface
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Display contents:
- Character generator ROM (CGROM): 5x7 Dots
(248 Character data types)
- Character generator RAM (CGRAM): 5x7 Dots (8
Character data types)
- Additional data RAM (ADRAM): 16 Display digits
x 2 Bits (Symbol data)
- Data control RAM (DCRAM): 16 Display digits x 8
Bits (Character data display register)
- General output port: 2 bits (Static operation)
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Display control function:
- Display digits: 9 to 16 digits
- Display duty (Contrast adjustment): 8 stages
- All display lights: ON/OFF mode
APPLICATIONS
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Microcontroller peripheral device
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Audio/Video equipment
BLOCK DIAGRAM
Tel: 886-66296288
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Fax: 886-29174598
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http://www.princeton.com.tw
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2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan