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參數(shù)資料
| 型號： | EM73469A |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT |
| 中文描述： | 4位微控制器的液晶產品 |
| 文件頁數(shù)： | 1/33頁 |
| 文件大?。?/td> | 188K |
| 代理商： | EM73469A |
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* This specification are subject to be changed without notice.
EM73469A
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
Preliminary
1.9.2001
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
Clock source
: 1.2V to 1.8V.
: 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).
: 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.
Instruction set
APPLICATIONS
EM73469A is suitable for application in family applicance, consumer products, hand held games and the toy
controller.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
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| EM73866 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICRO-CONTROLLER FOR LCD PRODUCT |
| EM73880 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICRO-CONTROLLER FOR LCD PRODUCT |
| EM73962A | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICROCONTROLLER |
| EM73963A | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICRO-CONTROLLER FOR LCD PRODUCT |
| EM73982 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICROCONTROLLER |
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