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UPD17147 Datasheet(PDF) 1 Page - NEC |
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UPD17147 Datasheet(HTML) 1 Page - NEC |
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1 / 102 page  The information in this document is subject to change without notice. MOS INTEGRATED CIRCUIT Document No. U13233EJ1V1DS00 (1st edition) (Previous No. IC-3580) Date Published January 1998 N CP(K) Printed in Japan SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS µPD17145(A1), 17147(A1), 17149(A1) The µPD17145(A1), 17147(A1), and 17149(A1) are 4-bit single-chip microcontrollers integrating an 8-bit A/D converter (4 channels), a timer function (3 channels), and a serial interface. These microcontrollers employ a CPU of the general-purpose register type that can execute direct memory operations and direct memory-to-memory data transfer for efficient programming. All the instructions consist of 16 bits per word. In addition, a one-time PROM version, the µPD17P149, is also available for program evaluation. The functions of these microcontrollers are described in detail in the following User’s Manual. Be sure to read the following manual when designing your system: µPD17145 Subseries User’s Manual: IEU-1383 FEATURES • 17K architecture : General-purpose register type : Instruction length fixed to 16 bits • Program memory (ROM) : µPD17145(A1) : 2 KB (1024 × 16 bits) : µPD17147(A1) : 4 KB (2048 × 16 bits) : µPD17149(A1) : 8 KB (4096 × 16 bits) • Data memory (RAM) : 110 × 4 bits • External interrupt : 1 (INT pin, with sense input) • Instruction execution time : 2 µs (at 8 MHz: ceramic oscillation) • 8-bit A/D converter : 4 channels, absolute accuracy: ±1.5 LSB MAX. (VDD = 4.0 to 5.5 V) • Timer : 3 channels • Serial interface : 1 channel (clocked 3-wire) • POC circuit (mask option) • Operating voltage : VDD = 2.7 to 5.5 V (at 400 kHz to 2 MHz) :VDD = 4.5 to 5.5 V (at 400 kHz to 8 MHz) • Operating temperature : Ta = –40 to +110 ˚C APPLICATIONS Automotive electronics, etc. Unless contextually excluded, references in this data sheet to the µPD17149 (A1) mean the µPD17145 (A1) and µPD17147 (A1). © 1995 DATA SHEET |
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