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EM73461A

Features: ·Operation voltage:2.4V to 3.6V.·Clock source:Dual clock system. Low-frequency oscillator is Crystal or RC oscillator (32K Hz, connect an external resistor) by mask option and high-frequency oscillator is RC oscillator (connect an external resistor).·Instruction set:109 powerful instruct...

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SeekIC No. : 004336036 Detail

EM73461A: Features: ·Operation voltage:2.4V to 3.6V.·Clock source:Dual clock system. Low-frequency oscillator is Crystal or RC oscillator (32K Hz, connect an external resistor) by mask option and high-frequen...

EM73461A Data Sheet

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Part Number:
EM73461A
Supply Ability:
5000

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  • 1~5000
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  • 15 Days
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Product Details

Description



Features:

·Operation voltage:2.4V to 3.6V.
·Clock source:Dual clock system. Low-frequency oscillator is Crystal or RC oscillator (32K Hz, connect an external resistor) by mask option and high-frequency oscillator is RC oscillator (connect an external resistor).
·Instruction set:109 powerful instructions.
·Instruction cycle time:Up to 2us for 4 MHz (high speed clock). 122 |ìs or 244|ìs by frequency double mask option for 32768 Hz (low speed clock
·ROM capacity: 4096 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). P4.0 and SOUND is available by mask option. 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.
·Built-in time base counter : 22 stages.
·Subroutine nesting:Up to 13 levels.
·Interrupt:External . . . . .2 input interrupt sources.
                 Internal . . . . . .2 Timer overflow interrupts, 1 time base interrupt.
                                         1 high speed timer overflow interrupt.
·LCD driver:32 X 4 dots, 1/4,1/3,1/2 static six kinds of duty selectable, 1/2 bias, 1/3 bias.
·Power saving function :SLOW, IDLE, STOP operation mode.
·Package type: Chip form61 pins.


Pinout

Connection Diagram


Description

EM73461A is an advanced single chip CMOS 4-bit micro-controller. It contains 4K-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. EM73461A also contains 6 interrupt sources, 1 input port, 2 bidirection ports, LCD display (32x4), and one high speed timer/counter with melody output.

EM73461A has plentiful operating modes (SLOW, IDLE, STOP) intended to reduce the power consumption.




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