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UPD784224GK Datasheet(PDF) 1 Page - NEC |
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UPD784224GK Datasheet(HTML) 1 Page - NEC |
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1 / 92 page  DATA SHEET © 1997, 2000 MOS INTEGRATED CIRCUIT µPD784224, 784225, 784224Y, 784225Y 16/8-BIT SINGLE-CHIP MICROCONTROLLERS The µPD784224 and 784225 are products of the µPD784225 Subseries in the 78K/IV Series. Besides a high- speed and high performance CPU, these controllers have ROM, RAM, I/O ports, 8-bit resolution A/D and D/A converters, timers, serial interfaces, a real-time output port, interrupt functions, and various other peripheral hardware. The µPD784224Y and 784225Y are based on the µPD784225 Subseries with the addition of a multimaster- supporting I2C bus interface. Flash memory versions, the µPD78F4225 and 78F4225Y, which replace the internal ROM of the mask ROM version with flash memory, and various development tools are also available. The functions are explained in detail in the following user’s manuals. Be sure to read this manual when designing your system. µPD784225, 784225Y Subseries User’s Manual - Hardware : U12697E 78K/IV Series User’s Manual - Instruction : U10905E FEATURES •I2C bus • ROM correction • Inherits peripheral functions of µPD780058Y Subseries • Minimum instruction execution time 160 ns (main system clock fXX = 12.5 MHz) 61 µs (subsystem clock fXT = 32.768 kHz) • I/O port: 67 pins • Timer/counter: 16-bit timer/counter × 1 unit 8-bit timer/counter × 4 units • Serial interface: 3 channels UART/IOE (3-wire serial I/O): 2 channels CSI (3-wire serial I/O, multi-master supporting I2C busNote): 1 channel Note µPD784225Y Subseries only • Standby function HALT/STOP/IDLE mode In power-saving mode: HALT/IDLE mode (with subsystem clock) • Clock division function • Watch timer: 1 channel • Watchdog timer: 1 channel • Clock output function fXX, fXX/2, fXX/22, fXX/23, fXX/24, fXX/25, fXX/26, fXX/27, fXT selectable • Buzzer output function fXX/210, fXX/211, fXX/212, fXX/213 selectable • A/D converter: 8-bit resolution × 8 channels • D/A converter: 8-bit resolution × 2 channels • Supply voltage: VDD = 1.8 to 5.5 V Document No. U12376EJ1V0DS00 (1st edition) Date Published May 2000 J CP(K) Printed in Japan APPLICATION FIELD Car audio, portable audio, telephones, etc. Unless contextually excluded, references in this document to µPD784225 mean µPD784224, 784225, 784224Y, and 784225Y. The mark shows major revised points. The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version. |
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