UPD78075B中文资料瑞萨数据手册PDF规格书

DESCRIPTION

The µPD780232 is a member of the µPD780232 Subseries in the 78K/0 Series. The µPD780232 Subseries consists of products that incorporate a VFD controller/driver for panel control.

A flash memory version, the µPD78F0233, that can operate within the same power supply voltage range as the mask ROM version, and various development tools are also under development.

FEATURES

• I/O ports: 40

• Internal ROM and RAM

• Internal ROM: 16 KB

• Internal high-speed RAM: 768 bytes

• Internal buffer RAM: 32 bytes

• VFD display RAM: 112 bytes

• Minimum instruction execution time can be changed from high speed (0.4 µs) to low speed (6.4 µs)

• VFD controller/driver: 53 display outputs (Universal grid supported)

• 8-bit resolution A/D converter: 4 channels

• Serial interface: 2 channels

• Timer: 4 channels

• Power supply voltage: VDD = 4.5 to 5.5 V

APPLICATIONS

Monolithic mini components, separated mini components, tuners, cassette tape decks, CD/MD players, audio amplifiers, etc.