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EM73880

Features: • Operation voltage : 2.4V to 3.6V.• Clock source : Dual clock system. Low-frequency oscillator (32.768 KHz) could be Crystal or RC oscillator high-frequency oscillator is a built-in for 4.6 MHz.• Instruction set : 107 powerful instructions.• Instruction cycle tim...

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SeekIC No. : 004336039 Detail

EM73880: Features: • Operation voltage : 2.4V to 3.6V.• Clock source : Dual clock system. Low-frequency oscillator (32.768 KHz) could be Crystal or RC oscillator high-frequency oscillator is a bu...

EM73880 Data Sheet

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Part Number:
EM73880
Supply Ability:
5000

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

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Product Details

Description



Features:

• Operation voltage : 2.4V to 3.6V.
• Clock source : Dual clock system. Low-frequency oscillator (32.768 KHz) could be Crystal or RC oscillator high-frequency oscillator is a built-in for 4.6 MHz.
• Instruction set : 107 powerful instructions.
• Instruction cycle time : 1.7us for 4.6 MHz (high speed clock). 244 µs for 32768 Hz (low speed clock).
• ROM capacity : 8192 X 8 bits.
• RAM capacity : 244 X 4 bits.
• Input port : 1 port (P0). P0(0..3) and IDLE releasing function are available by mask option.
• Bidirection port : 2 ports (P4, P8). P4.1 is shared with HTC external input. P8(0..3) and IDLE releasing function are available by mask option.
• 12-bit timer/counter : Two 12-bit timer/counters are programmable for timer, event counter and pulse width measurement.
• High speed timer/counter : One 8-bit high speed timer/counters is programmable for auto load timer, melody output and pulse width measurement.
• Speech synthesizer : 160K Speech ROM.
• Built-in time base counter : 22 stages.
• Subroutine nesting : Up to 13 levels.
• Interrupt : External . . . . . 1 input interrupt sources.
                   Internal . . . . . . 2 Timer overflow interrupts, 1 time base interrupt.
                                           1 high speed timer/counter overflow interrupt.
                                           1 Speech ending interrupt.
• LCD driver : 32 X 4 dots, 1/4,1/3,1/2, static 4 kinds of duty Type selectable, 1/2 bias, 1/3 bias, 2 kinds bias Type selectable.
• Power saving function : SLOW, IDLE, STOP operation mode.
• Package type : Chip form. . . . .63 pins.


Application

EM73880 is suitable for application in family applicance, consumer products, hand held games and the toy controller.




Pinout

Connection Diagram


Description

EM73880 is an advanced single chip CMOS 4-bit micro-controller. It contains 8K-byte ROM, 244-nibble RAM, 4-bit ALU, 13-level subroutine nesting, 22-stage time base, two 12-bit timer/counters for the kernel function. EM73880 also contains 6 interrupt sources, 1 input port, 2 bidirection ports, LCD display (32x4), and one high speed timer/counter,sound generator, and speech synthesizer.

EM73880 has plentiful operating modes (SLOW, IDLE, STOP) intended to reduce the power consumption.




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