深圳市广辉电子有限公司

PT6302

VFD Driver/Controller IC with Character RAM (VFD、真空荧光显示,驱动控制器)

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 plus 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 = 3.3 V ± 10% or 5.0 V ± 10%
? VFD Drive Power Supply: VEE = -20V to -30V
? Built-in Oscillation Circuit (External RC)
? One-Byte Instruction Execution (not including Data Write to RAM)
? Microcontroller Interface
? Display Contents:
o Character Generator ROM (CGROM): 5x7 Dots (248 Character Data Types)
o Character Generator RAM (CGRAM): 5x7 Dots (8 Character Data Types)
o Additional Data RAM (ADRAM): 16 Display Digits x 2 Bits (Symbol Data)
o Data Control RAM (DCRAM): 16 Display Digits x 8 Bits (Character Data Display
Register)
o General Output Port: 2 Bits (Static Operation)
? Display Control Function:
o Display Digits : 9 to 16 Digits
o Display Duty (Contrast Adjustment) : 8 stages
o All Display Lights : ON/OFF Mode

APPLICATIONS

? Microcontroller Peripheral Device
? Audio/Video Equipment
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