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UPD178004A Datasheet(PDF) 1 Page - NEC |
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UPD178004A Datasheet(HTML) 1 Page - NEC |
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1 / 56 page  © 1997 DATA SHEET µPD178004A,178006A,178016A,178018A MOS INTEGRATED CIRCUIT The µPD178004A, 178006A, 178016A and 178018A are 8-bit single-chip CMOS microcontrollers that incorporate hardware for digital tuning systems. The CPU uses the 78K/0 architecture, which makes it easy to implement high-speed access to internal memory and control of peripheral hardware. Also, the instructions used are the high-speed 78K/0 instructions, suitable for system control. The rich assortment of peripheral hardware includes an input/output port, 8-bit timer, A/D converter, serial interface, power-ON clear circuits, as well as a pre-scaler for digital tuning, a PLL frequency synthesizer and a frequency counter. The µPD178P018A, one-time PROM or EPROM versions which can be operated in the same supply voltage range as for the mask ROM versions, and various development tools, are also available. For more information on functions, refer to the following User’s Manuals. Be sure to read them when designing. µPD178018A Subseries User’s Manual: to be prepared 78K/0 Series User’s Manual Instruction: U12326E FEATURES • Internal high-capacity ROM and RAM 8-BIT SINGLE-CHIP MICROCONTROLLERS • Instruction Cycle: 0.44 µs (4.5-MHz crystal oscillator used) • Large array of on-chip peripheral hardware General-purpose input/output port, A/D converter, serial interface, timer, frequency counter, power-ON clear circuits. • On-chip hardware for a PLL frequency synthesizer. Dual modulus pre-scaler, programmable divider, phase comparator, charge pump. • Vector interrupt sources: 17 • Supply Voltage: VDD = 4.5 to 5.5 V (during PLL operation) VDD = 3.5 to 5.5 V (during CPU operation, when the system clock is fX/2 or lower) VDD = 4.5 to 5.5 V (during CPU operation, when the system clock is fX) Items Program Memory Data Memory Product Name ROM Internal High-Speed RAM Buffer RAM Internal Expanded RAM µPD178004A 32 Kbytes 1 024 bytes 32 bytes Not provided µPD178006A 48 Kbytes µPD178016A 2 048 bytes µPD178018A 60 Kbytes The information in this document is subject to change without notice. Document No. U12641EJ1V0DS00 (1st Edition) Date Published July 1997 N Printed in Japan |
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