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LC651432N Datasheet(PDF) 1 Page - Sanyo Semicon Device |
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LC651432N Datasheet(HTML) 1 Page - Sanyo Semicon Device |
1 / 39 page Ordering number : ENN6498 40700RM (OT) No. 6498-1/39 Overview The LC651431N/F/L and LC651432N/F/L are the small- scale control models in Sanyo’s LC6500 Series of 4-bit microcontrollers and feature the same basic architecture and instruction set. These microcontrollers are appropriate for a wide range of applications, from applications that require only a limited number of circuits and controls and were previously implemented in standard logic to larger application such as audio equipment, including tape decks and disc players, office equipment, communication equipment, automotive equipment, and home appliances. Furthermore, since these products have equivalent basic functions (although there are differences in some functions and characteristics) and are pin compatible with the earlier LC6543N/F/L and LC6546N/F/L products, they can be used to replace those devices. Features • Fabricated in a CMOS process for low power operation (Standby mode can be controlled by CPU instructions.) • ROM/RAM LC651432N/F/L —ROM: 2 K × 8 bits, RAM: 128 × 4 bits LC651431N/F/L —ROM: 1 K × 8 bits, RAM: 64 × 4 bits • Instruction set: The 80-instruction set common to the whole LC6500 Series • Wide operating supply voltage range of 2.2 to 6.0 V (L versions) • Instruction cycle time of 0.92 µs (F versions) • On-chip serial I/O function • Highly flexible I/O ports Number of ports — 7 ports (Up to 25 pins) All ports — Can be used for either input or output — Voltage handling capability (input and output): 15 V maximum (For open-drain specification ports) — Output current: 20 mA maximum sink current (Capable of directly driving an LED.) I/O port options to match application requirements: — Open-drain output and pull-up resistor specification: Can be specified for all ports in bit units. — Output level at reset specification: Either a high or low level can be specified for ports C and D in 4-bit units each. • Interrupts Timer overflow vector interrupt (can also be tested by CPU instructions) INT pin or serial I/O full/empty vector interrupt (can also be tested by CPU instructions) • Stack levels: 4 levels (also used by interrupts) • Timers: 8-bit programmable timer with 4-bit prescaler • Clock oscillator options to match application requirements: Oscillator circuit option: — Two-pin RC oscillator (N and L versions) Two-pin ceramic oscillator or single external clock input pin (N, F, and L versions) — Divider circuit option: No divider, built-in divide- by-three circuit, built-in divide-by-four circuit (N and L versions) • Continuous square-wave output with a period 64 times the cycle time. LC651432N/F/L, 651431N/F/L SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN Four-Bit CMOS Microcontrollers for Small-Scale Control Applications CMOS IC Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. |
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