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UPD75208 Datasheet(PDF) 1 Page - NEC |
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UPD75208 Datasheet(HTML) 1 Page - NEC |
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1 / 62 page  4-BIT SINGLE-CHIP MICROCOMPUTER DESCRIPTION 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 display tubes as display devices and is most suitable for applications requiring the timer/watch function and high-speed interrupt servicing. It can help to provide the unit with many functions and to decrease performance costs. With the µPD75208, the µPD75P216A, 75P218 one-time PROM products are available for system development evaluation or small production. The following manual provides detailed description of the functions of the µPD75208. Be sure to read this manual when you design an application system. µPD75216A User’s Manual: IEM-988 FEATURES µPD75208 MOS INTEGRATED CIRCUIT DATA SHEET The information in this document is subject to change without notice. The mark 5 shows major revised points. Document No. IC-1884A (O. D. No. IC-7048C) Date Published August 1993 P Printed in Japan Please refer to “Quality grade on NEC Semiconductor Devices” (Document number IEI-1209) published by NEC Corporation to know the specification of quality grade on the devices and its recommended applications. • 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 • On-chip large-capacity program memory : 8K bytes • Watch operation with an ultra low current consumption : 5 µA 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 function with importance attached to applications • For power-off detection • For remote controlled reception • Product with an on-chip PROM : µPD75P216A, µPD75P218 (on-chip EPROM : WQFN package) ORDERING INFORMATION Ordering Code Package Quality Grade µPD75208CW-××× 64-pin plastic shrink DIP (750 mil) Standard µPD75208GF-×××-3BE 64-pin plastic QFP (14 × 20 mm) Standard © NEC Corporation 1991 5 5 5 |
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