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EM73469A Datasheet (PDF) - ELAN Microelectronics Corp

EM73469A Datasheet PDF - ELAN Microelectronics Corp
Part # EM73469A
Download  EM73469A Download

File Size   188.72 Kbytes
Page   33 Pages
Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp
Description 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

EM73469A Datasheet (PDF)

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EM73469A Datasheet PDF - ELAN Microelectronics Corp

Part # EM73469A
Download  EM73469A Click to download

File Size   188.72 Kbytes
Page   33 Pages
Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp
Description 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

EM73469A Datasheet (HTML) - ELAN Microelectronics Corp

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EM73469A Product details

GENERAL DESCRIPTION
EM73469A 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. EM73469A also contains 6 interrupt sources, 1 input port, 2 bidirection ports, LCD display (32x4), and one high speed timer/counter with melody output.
EM73469A has plentiful operating modes (SLOW, IDLE, STOP) intended to reduce the power consumption.

FEATURES
• Operation voltage : 1.2V to 1.8V.
• 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 µs or 244µs 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 form 61 pins.

APPLICATIONS
   EM73469A is suitable for application in family applicance, consumer products, hand held games and the toy controller.




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