DESCRIPTION

The M66004 is a 16-digit 5×7-segment vacuum fluorescent display (VFD) controller using the silicon gate CMOS technology.

It contains 160 ROM characters and 16 user-defined RAMcharacters and receives display character codes and various commands from MCU to control VFD.

FEATURES

• Built in 5×7-dot segment character ROM

(160 characters based on JIS-C-6220. Customization is possible.)

• Built in character RAM for user definition (16 characters)

• Display digit length can be changed. (from 9 to 16 digits)

• One-digit display cycle setting can be changed. (2 cycles)

• Dimmer is adjustable. (8 grades)

• Cursor display ON or OFF is selectable. (SEG35 output)

• Built in automatic display digit increment function

• Auto increment of display digit

• Built in simultaneous all-digit display ON/OFF command

• Connection to MCU by three signal lines, CS, SCK and SDATA

• Instruction execution with one byte*

• 2 general purpose output ports

• Positive supply voltage VCC=5V ± 10

• Pull-down voltage VP=VCC-40V typ.

VCC-45V max. (peak)

*: Except for character RAM setting

APPLICATION

AV equipments, vacuum fluorescent display controller for POS system, etc.