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SM3512

Features: • ROM capacity : Program ROM8 k x 23 bits Character ROM 5 x 9 x 128 bits Constant ROM 208 x 4 bits• RAM capacity : Working RAM 256 x 4 bits Display RAM 60 x 9 bitsData RAM 8 k x 8 bits• Memory expansion (external) : 8 k x 8 bits • LCD display : 60-segment x 9-comm...

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SeekIC No. : 004493723 Detail

SM3512: Features: • ROM capacity : Program ROM8 k x 23 bits Character ROM 5 x 9 x 128 bits Constant ROM 208 x 4 bits• RAM capacity : Working RAM 256 x 4 bits Display RAM 60 x 9 bitsData RAM 8 k ...

SM3512 Data Sheet

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Part Number:
SM3512
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/25

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Product Details

Description



Features:

• ROM capacity :
           Program ROM    8 k x 23 bits
           Character ROM  5 x 9 x 128 bits
           Constant ROM   208 x 4 bits
• RAM capacity :
           Working RAM     256 x 4 bits
           Display RAM       60 x 9 bits 
           Data RAM           8 k x 8 bits
• Memory expansion (external) : 8 k x 8 bits
• LCD display : 60-segment x 9-common
• I/O ports :
           Parallel I/O        8 bits
           Input                 1 bit
           Output               2 bits
           Buzzer output   1 bit (4 kHz)
           Key input           6 bits
• Standby release : 2 events (2 Hz signal, key input)
• Built-in oscillator :
          System clock (built-in CR oscillator)    250 kHz
          Timer (built-in CR oscillator)                32.8 kHz
                   (external crystal)                       32.768 kHz
• Instruction cycle time : 12 µs
• Operating temperature : 10 to +60
• Supply voltage : 2.5 to 3.4 V
• Package : 100-pin QFP (QFP100-P-1420)



Description

The SM3512 is a CMOS 4-bit single-chip micro-computer for databank incorporating data memory RAM, LCD driver, key/switch input circuit, 8-bit par-allel I/O port, 2 output ports,external memory con-trol circuit, and buzzer output circuit.




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