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KS51840

Features: ROM Size1,024 bytes.............................1,024 bytesRAM Size...................................................32 nibblesInstruction Set...................................39 instructionsInstruction Cycle Time.......13.2 sec at Fxx=455 kHzInput Ports.....................Two 4-bit p...

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SeekIC No. : 004387488 Detail

KS51840: Features: ROM Size1,024 bytes.............................1,024 bytesRAM Size...................................................32 nibblesInstruction Set...................................39 instruc...

KS51840 Data Sheet

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Part Number:
KS51840
Supply Ability:
5000

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

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Upload time: 2024/4/26

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Product Details

Description



Features:

ROM Size1,024 bytes.............................1,024 bytes
RAM Size...................................................32 nibbles
Instruction Set...................................39 instructions
Instruction Cycle Time.......13.2 sec at Fxx=455 kHz
Input Ports.....................Two 4-bit ports(24 pins)/One 4-bit port, one 2-bit ports(20 pins)
Output Ports...................One 4-bitport,Seven1-bitports(24pins)/One 4-bit port, Five1-bit ports(20pins)
Built-in Oscillator................Crystal/Ceramic resonator
Built-in Power-on reset and auto reset circuit for generating reset pulse every ...........................................Fxx/12 (1/4 duty), Fxx/12 (1/3 duty), Fxx/8 (1/2 duty), and no-carrier frequency
131072/Fxx(288ms at Fxx=455kHz)................1.8V3.6V(Fosc:250kHz3.9MHz),2.2V3.6V(Fosc:4MHz6MHz)
Four Transmission Frequencies.................Halt mode: 1 A (maximum) Normal mode: 0.5 mA (typical)
Supply Voltage......................................-20°C to 85°C
Power Consumption...............24 SOP, 20 DIP, 20 SOP
Oscillator Frequency divide select...........Mask Option= Fosc or Fosc/8


Pinout

Connection Diagram


Description

KS51840, a 4-bit single-chip CMOS microcontroller, consists of the reliable SMCS-51 CPU core with on-chip ROM and RAM. Eight input pins and 11 output pins provide the flexibility for various I/O requirements. Auto reset circuit generates reset pulse every certain period, and every halt mode termination time. The KS51840 microcontroller has been designed for use in small system control applications that require a low-power, cost-sensitive design solution. In addition, the KS51840 has been optimized for remote control transmitter.




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