參數(shù)資料
型號(hào)： EM73PA88A
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(chǎn)品
文件頁(yè)數(shù)： 1/45頁(yè)
文件大小： 410K
代理商： EM73PA88A
1
* This specification are subject to be changed without notice.
EM73PA88A
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
10.8.2001
Preliminary
GENERAL DESCRIPTION
EM73PA88A is an advanced single chip CMOS 4-bit one-time programming (OTP) micro-controller. It contains
16K-byte ROM, 500-nibble RAM, 4-bit ALU, 13-level subroutine nesting, 22-stage time base, two 12-bit timer/
counters for the kernel function. EM73PA88A also equipped with 6 interrupt sources, 3 I/O ports (including 1
input port and 2 bidirection ports), LCD display (64x16), built-in sound generator and speech synthesizer can direct
drive speaker.
It's low power consumption and high speed feature are further strengten with DUAL, SLOW, IDLE and STOP
operation mode for optimized power saving.
FEATURES
Operation voltage
Clock source
: 2.2V to 4.8V.
: Dual clock system. Low-frequency oscillator is 32 KHz Crystal or RC oscillator
and high-frequency oscillator is a built-in internal oscillator (4.6 MHz).
: 107 powerful instructions.
: 1.7μs for 4.6M Hz (high speed clock).
244μs for 32768 Hz (low speed clock).
: 16K x 8 bits.
: 500 x 4 bits.
: 1 port (P0.0-P0.3), IDLE/STOP releasing function is available by mask option.
(each input pin has a pull-up and pull-down resistor available by mask option).
: 2 ports (P4, P8). IDLE/STOP release function for P8(0..3) is available by mask
option.
Built-in watch-dog-timer counter : It is available by mask option.
12-bit timer/counter
: Two 12-bit timer/counters are programmable for timer, event counter and pulse
width measurement mode.
Built-in time base counter: 22 stages.
Subroutine nesting
: Up to 13 levels.
Interrupt
: External interrupt . . . . . . 2 input interrupt sources.
Internal interrupt . . . . . . 2 timer overflow interrupts, 1 time base interrupt.
Instruction set
Instruction cycle time
ROM capacity
RAM capacity
Input port
Bidrection port
1 speech interrupt.
LCD driver
Sound effect
Speech synthesizer
PWM or current D/A
Power saving function
Package type
: 64x16 dots, 1/16 duty, 1/5 bias with voltage multiplier.
: Tone generator and random generator.
: 448K speech data ROM (use as 448K nibbles data ROM).
: Output selection by mask option.
: SLOW, IDLE, STOP operation modes.
: Chip form 109 pins.
QFP form 160 pins (AQ).
QFP form 128 pins (BQ).
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