UPD75208 - NEC

UPD75208 4-BIT SINGLE-CHIP MICROCOMPUTER

The µPD75208 is a microcomputer with a CPU capable of 1-, 4-, and 8-bit-wise data processing, a ROM, a RAM, I/O ports, a fluorescent display tube controller/driver, a watch timer, a timer/pulse generator capable of outputting 14-bit PWM, a serial interface and a vectored interrupt function integrated on a single-chip. It uses the VCR, ECR and CD fluorescent .

Features

• Architecture equal to that of an 8-bit microcomputer
• High-speed operation : Minimum instruction execution time : 0.95 µs (when operated at 4.19 MHz)
• Instruction execution time variable function realizing a wide range of operating voltages
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• On-chip large-capacity program memory : 8K bytes Watch operation with an ultra low current consumption : 5µA TYP. (at the 3 V operation) On-chip programmable fluorescent display tube controller/driver Timer function : 4 ch
• 14-bit PWM output capability with the voltage synthesizer type electronic tuner
• Buzzer output capability
• Interrupt fu.