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UPD17207 Datasheet(PDF) 1 Page - NEC |
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UPD17207 Datasheet(HTML) 1 Page - NEC |
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1 / 120 page  MOS INTEGRATED CIRCUIT µPD17201A, 17207 DESCRIPTION The µPD17201A, 17207 is a 4-bit single-chip microcontroller, used for infrared remote control transmitters, which in-tegrates an LCD controller/driver, A/D converter, and remote controller carrier generator circuit on a single chip. For the CPU, this microcontroller employs the 17K architecture of the general-purpose register method, and it can directly execute operations between data memory addresses which would have been conventionally executed by an accumulator. In addition, all the instructions are 16-bit, 1-word instructions, enabling efficient programming. A one-time PROM model, µPD17P207, to which data can be written only once is also available. This one-time PROM model is useful for program evaluation of the µPD17201A or 17207. Detalied functionins are described in the following manual. Be sure to read this manual when designing your system. µPD172xx Subseries User’s Manual: IEU-1317 FEATURES • 17K architecture : General-purpose register method • Program memory (ROM) : 3072 x 16 bits ( µPD17201A) 4096 x 16 bits ( µPD17207) • Data memory (RAM) : 336 x 4 bits (including LCD register 36 × 4 bits) • Infrared remote controller carrier generator (REM output) • LCD controller/driver : Up to 136 segments can be displayed · Common pins : 4 (2 can be used as segment pins) · Segment pins : 34 · Voltage booster circuit for driving LCD : LCD drive voltage can be adjusted from 2.4 to 5.4 V with external resistor • 8-bit A/D converter : 4 channels (successive approximation method in software) • 8-bit timer : 1 channel • Watch timer/watchdog timer : 1 channel (WDOUT output) • 3-line serial interface : 1 channel • External interrupt pin (INT) : 1 • I/O pin : 20 (including INT) • Instruction execution time : 4 µs (main clock: fX = 4 MHz) 488 µs (subclock: fXT = 32.768 kHz) • Supply voltage : VDD = 2.2 to 5.5 V (main clock : fX = 4 MHz) :VDD = 2.0 to 5.5 V (subclock : fXT = 32.768 kHz) Unless otherwise specified, the µPD17207 is treated as the representative model throughout this documents. Document No. U11778EJ5V0DS00 (5th edition) (Previous No. IC-2773) Date Published November 1996 P Printed in Japan The information in this document is subject to change without notice. The mark shows major revised points. 4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTERS © 1991 DATA SHEET |
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