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EM78156EM 参数 Datasheet PDF下载

EM78156EM图片预览
型号: EM78156EM
PDF下载: 下载PDF文件 查看货源
内容描述: 8位微控制器与MASK ROM [8-Bit Microcontroller with MASK ROM]
分类和应用: 微控制器有原始数据的样本ROM
文件页数/大小: 48 页 / 420 K
品牌: ELAN [ ELAN MICROELECTRONICS CORP ]
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EM78156E  
8-Bit Microcontroller with MASK ROM  
1 GENERAL DESCRIPTION  
EM78156E is an 8-bit microprocessor with low-power and high-speed CMOS  
technology. Integrated into a single chip are on-chip watchdog timer (WDT), RAM,  
ROM, real time clock/counter, external and interrupt, power down mode, and tri-state  
I/O.  
2 FEATURES  
Operating voltage range : 2.3V~5.5V  
Operating temperature range: 0°C~70°C  
Operating frequency rang (base on 2 clocks ):  
Crystal mode: DC~20MHz at 5V, DC~8MHz at 3V, DC~4MHz at 2.3V.  
ERC mode: DC~4MHz at 5V, DC~4MHz at 3V, DC~4MHz at 2.3V.  
Low power consumption:  
Less then 2.0 mA at 5V/4MHz  
Typically 15 µA at 3V/32KHz  
Typically 1 µA during sleep mode  
1K × 13 bits on chip ROM  
One configuration register to accommodate user’s requirements  
48× 8 bits on chip registers (SRAM, general purpose register)  
2 bi-directional I/O ports  
5 level stacks for subroutine nesting  
8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and  
overflow interrupt  
Two clocks per instruction cycle  
Power down (SLEEP) mode  
Three available interruptions  
TCC overflow interrupt  
Input-port status changed interrupt (wake up from sleep mode)  
External interrupt  
Programmable free running watchdog timer  
8 programmable pull-high pins  
7 programmable pull-down pins  
8 programmable open-drain pins  
Product Specification (V1.3) 07.29.2004  
1  
(This specification is subject to change without further notice)