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SM3513 데이터시트(PDF) 1 Page - Sharp Corporation |
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SM3513 데이터시트(HTML) 1 Page - Sharp Corporation |
1 / 3 page - 1 - In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. SM3513 DESCRIPTION The SM3513 is a CMOS 4-bit single-chip micro- computer for databank incorporating data memory RAM, LCD driver (the output is adjustable in 16 steps for various contrast), key/switch input circuit, 8-bit parallel I/O port, 3 output ports, external mem- ory control circuit, buzzer circuit and voltage detec- tor circuit. One of three ports contains special out- put circuit for infrared (IR) communication. It is easy to realize timer function by timer signal interrupt since the oscillator circuit is built-in. FEATURES • ROM capacity : Program ROM 24 k x 23 bits Character ROM 6 x 8 x 256 bits Constant ROM 1 k x 4 bits • RAM capacity : Working RAM 256 x 4 bits Display RAM 74 x 32 bits Data RAM 512 x 8 bits • Memory expansion (external) : 16 M x 8 bits x 4 • Buil-in battery detector • LCD display : 74-segment x 32-common • I/O ports : Parallel I/O 8 bits Input 2 bits Output 3 bits Buzzer output 1 bit (4 kHz) Key input 6 bits • Standby release : 2 events (Timer signal, key input) • LCD contrast adjustable : 16 levels • Built-in oscillator : • Instruction cycle time : 3 µs • Operating temperature : –10 to +60°C • Supply voltage : 3.8 to 6.0 V • Package : 160-pin QFP (QFP160-P-2828) [Test Sample only] SM3513 4-Bit Single-Chip Microcomputer (For Data Bank Use) System clock (built-in CR oscillator) 1 MHz (external ceramic resonator) 1 MHz Timer (built-in CR oscillator) 32.8 kHz (external crystal) 32.768 kHz |
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