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UPD17217 Datasheet(PDF) 1 Page - NEC |
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UPD17217 Datasheet(HTML) 1 Page - NEC |
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1 / 84 page  MOS INTEGRATED CIRCUIT µPD17215, 17216, 17217, 17218 DESCRIPTION µPD17215, 17216, 17217, 17218 (hereafter called µPD17215 subseries) are 4-bit single-chip microcontrollers for small general-purpose infrared remote control transmitters. It employs a 17K architecture of general-purpose register type devices for the CPU, and can directly execute operations between memories instead of the conventional method of executing operations through the accumulator. Moreover, all the instructions are 16-bit 1-word instructions which can be programmed efficiently. In addition, a one-time PROM model, µPD17P218, to which data can be written only once, is also available. It is convenient either for evaluating the µPD17215 subseries programs or small-scale production of application systems. Detailed functions are described in the follwing manual. Be sure to read this manual when designing your system. µPD172×× Subseries User's Manual: IEU-1317 FEATURES • Infrared remote controller carrier generator circuit (REM output) • 17K architecture: General-purpose register system • Program memory (ROM), Data memory (RAM) µPD17215 µPD17216 µPD17217 µPD17218 Program memory (ROM) 4 K bytes 8 K bytes 12 K bytes 16 K bytes (2048 × 16) (4096 × 16) (6144 × 16) (8192 × 16) Data memory (RAM) 111 × 4 bits 223 × 4 bits • 8-bit timer : 1 channel • Basic internal timer / Watchdog timer: 1 channel (WDOUT output) • Instruction execution time (can be changed in two steps) at fX 4 MHz : 4 µs (high-speed mode)/8 µs (ordinary mode) at fX 8 MHz : 2 µs (high-speed mode)/4 µs (ordinary mode) • External interrupt pin (INT) : 1 • I/O pins : 20 • Supply voltage : VDD = 2.2 to 5.5 V (at fX = 4 MHz (high-speed mode)) VDD = 2.0 to 5.5 V (at fX = 4 MHz (ordinary mode)) • Low-voltage detector circuit (mask opation) Unless otherwise specified, the µPD17215 is treated as the representative model throughout this document. The mark shows major revised points. Document No. U12042EJ3V0DS00 (3rd edition) (Previous No. IC–3249) Date Published January 1997 N Printed in Japan © 1993 DATA SHEET The information in this document is subject to change without notice. 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
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