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SM3515 Scheda tecnica(PDF) 1 Page - Sharp Corporation

Il numero della parte SM3515
Spiegazioni elettronici  4-Bit Single-Chip Microcomputer(For Data Bank Use)
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Produttore elettronici  SHARP [Sharp Corporation]
Homepage  http://sharp-world.com/
Logo SHARP - Sharp Corporation

SM3515 Scheda tecnica(HTML) 1 Page - Sharp Corporation

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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.
DESCRIPTION
The SM3515 is a CMOS 4-bit single-chip micro-
computer for databank incorporating data memory
RAM, LCD driver, key input circuits and buzzer out-
put circuit. By connecting an external crystal, a 1 Hz
timer interrupt is made possible for easier clock
function.
FEATURES
• ROM capacity :
Program ROM
12 k x 23 bits
Character ROM
5 x 8 x 128 bits
• RAM capacity :
Working RAM
256 x 4 bits
Display RAM
60 x 8 bits
Data RAM
512 x 8 bits
• LCD display : 60-segment x 8-common
• I/O ports :
Buzzer output
1 bit (4 kHz)
Key input
7 bits
• Standby release : 2 events (2 Hz signal, key input)
• Built-in oscillator :
• Instruction cycle time : 10 µs
• Operating temperature : –10 to +60°C
• Supply voltage : 2.5 to 3.4 V
• Package : 100-pin QFP (QFP100-P-1420)
SM3515
SM3515
4-Bit Single-Chip Microcomputer
(For Data Bank Use)
System clock (built-in CR oscillator) 300 kHz
Timer (built-in CR oscillator)
32.8 kHz
(external crystal)
32.768 kHz


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