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UPD178024GC Datasheet(PDF) 1 Page - NEC |
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UPD178024GC Datasheet(HTML) 1 Page - NEC |
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1 / 56 page  © 1999 DATA SHEET DESCRIPTION The µPD178023, 178024 are 8-bit single-chip CMOS microcontrollers containing hardware for digital tuning systems. These microcontrollers employ a 78K/0 series architecture CPU and allow easy access to internal memories at high speed and easy control of peripheral hardware units. The high-speed 78K/0 series instructions are ideal for system control. As peripheral hardware, a prescaler, PLL frequency synthesizer, and frequency counter for digital tuning systems are provided, as well as many I/O ports, timers, A/D converter, serial interface, and a power-ON clear circuit. In addition, three serial interfaces, I2C bus (IIC0), three-wire (SIO3), and UART are provided. Moreover, a flash memory model, the µPD178F124, that operates in the same supply voltage range as the mask ROM models, and various development tools are also under development. For the detailed functional description, refer to the following User’s Manuals: µPD178024, 178124 Subseries User’s Manual : U13915E 78K/0 Series User’s Manual - Instruction : U12326E FEATURES • High-capacity ROM and RAM Item Program Memory (ROM) Data Memory Part Number Internal high-speed RAM µPD178023 24K bytes 1024 bytes µPD178024 32K bytes MOS INTEGRATED CIRCUIT µPD178023,178024 Document No. U14126EJ1V0DS00 (1st edition) Date Published September 1999 N CP(K) Printed in Japan 8-BIT SINGLE-CHIP MICROCONTROLLER • Instruction cycle: 0.45/0.89/1.78/3.56/7.11 µs (with crystal resonator of fX = 4.5 MHz) • Many internal hardware units General-purpose I/O ports, A/D converter, serial interface (I2C bus and UART mode), timers, frequency counter, power-ON clear circuit • Hardware for PLL frequency synthesizer Dual modulus prescaler, programmable divider, phase comparator, charge pump • Vectored interrupt sources: 17 • Supply voltage :VDD = 4.5 to 5.5 V (during PLL and CPU operations) :VDD = 3.5 to 5.5 V (during CPU operation) The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version. Not all devices/types available in every country. Please check with local NEC representative for availability and additional information. |
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