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參數(shù)資料
| 型號： | EM78820 |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | 8-Bit Micro-Controller for Consumer Product(工作電壓2.5V-3.5V的8位精簡指令集（RISC）微控制器) |
| 中文描述： | 8位微控制器的消費(fèi)產(chǎn)品（工作電壓為2.5V - 3.5V之間的8位精簡指令集（RISC的）微控制器） |
| 文件頁數(shù)： | 1/23頁 |
| 文件大?。?/td> | 120K |
| 代理商： | EM78820 |
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* This specification are subject to be changed without notice.
EM78820
8-BIT MICRO-CONTROLLER FOR CONSUMER PRODUCT
9.30.1997
GENERAL DESCRIPTION
The EM78820 is an 8-bit RISC type microprocessor with low power , high speed CMOS technology . Integrated
onto a single chip are on_chip watchdog (WDT) , RAM , ROM , programmable real time clock /counter , internal
interrupt , power down mode , LCD driver and tri-state I/O . The EM78820 provides a single chip solution to
design a DATABANK of message_display .
FEATURES
CPU
Operating voltage range : 2.5V~3.5V
8Kx13 on chip ROM
16Kx8 on chip ROM by indirect address
0.5Kx8 on chip RAM
Up to 12 bi-directional tri-state I/O ports
8 level stack for subroutine nesting
8-bit real time clock/counter (TCC)
Two sets of 8 bit counters can be interrupt sources
Selective signal sources and trigger edges , and with overflow interrupt
Programmable free running on chip watchdog timer
99.9% single instruction cycle commands
Three modes
1. sleep mode : main-clock turn off, sub-clock turn off, kernel off, LCD off
2. Idle mode : main-clock turn off, sub-clock turn on, kernel off, LCD on
3. Green mode : main-clock turn off, sub-clock turn on, kernel on, LCD on
4. Normal mode : main-clock turn on, sub-clock turn on, kernel on, LCD on
Power on voltage detector
Input port wake up function
7 interrupt source , 4 external , 3 internal
EM78820Q 100 pin QFP
EM78820D 80 pin Die form
Sub-Clock frequency 32.768KHz
Main RC clock frequency 4MKz, 2MKz, 1MKz and 500KHz
LCD
LCD operation voltage chosen by software
Common driver pins : 16
Segment driver pins : 40
1/4 bias
1/8,1/16 duty
Low power consumption LCD driver
APPLICATION
Electronic Toy
Data Bank
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EM78822 | 8-Bit Micro-Controller for Consumer Product(工作電壓2.5V-3.5V的8位精簡指令集（RISC）微控制器) |
| EM78860AQ | 8-BIT MICRO-CONTROLLER |
| EM78860BQ | 8-BIT MICRO-CONTROLLER |
| EM78860H | 8-BIT MICRO-CONTROLLER |
| EM78860 | 8-Bit Micro-Controller(用于信息顯示的工作電壓2.5V-5.5V的8位精簡指令集（RISC）微控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM78860 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER |
| EM78860AQ | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8 -BIT MICRO-CONTROLLER |
| EM78860BQ | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8 -BIT MICRO-CONTROLLER |
| EM78860H | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8 -BIT MICRO-CONTROLLER |
| EM78861 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MOCRO-CONTROLLER |
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