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

• 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)

• Microcontroller interface

• 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)

• Display control function:

  - Display digits: 9 to 16 digits

  - Display duty (Contrast adjustment): 8 stages

  - All display lights: ON/OFF mode

APPLICATIONS

• Microcontroller peripheral device

• Audio/Video equipment