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EM78P447SBWM 参数 Datasheet PDF下载

EM78P447SBWM图片预览
型号: EM78P447SBWM
PDF下载: 下载PDF文件 查看货源
内容描述: 8位微控制器 [8-BIT MICRO-CONTROLLER]
分类和应用: 微控制器外围集成电路光电二极管可编程只读存储器
文件页数/大小: 55 页 / 1601 K
品牌: ELAN [ ELAN MICROELECTRONICS CORP ]
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EM78P447S  
OTP ROM  
2. FEATURES  
• Operating voltage range: 2.3V~5.5V.  
• Operating temperature range: 0°C~70°C.  
• Operating frequency range( base on 2 clocks)  
* Crystal mode: DC~20MHz at 5V, DC~8MHz at 3V, DC~4MHz at 2.3V.  
* RC mode: DC~4MHz at 5V, DC~4MHz at 3V, DC~4MHz at 2.3V.  
• Low power consumption:  
* Less then 2.2 mA at 5V/4MHz  
* Typically 30 µA, at 3V/32KHz  
* Typically 1 µA, during sleep mode  
• 4K × 13 bits on chip ROM  
• One security register to prevent intrusion of OTP memory codes  
• One configuration register to accommodate user’s requirements  
• 148× 8 bits on chip registers(SRAM, general purpose register)  
• 3 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  
• Two available interruptions  
* TCC overflow interrupt  
* External interrupt  
• Programmable free running watchdog timer  
• 10 programmable pull-high pins  
• 2 programmable open-drain pins  
• 2 programmable R-option pins  
• Package types:  
* 28 pin DIP 600 mil  
: EM78P447SAP  
* 28 pin SOP (SOIC) 300 mil : EM78P447SAM  
* 28 pin SSOP 209 mil : EM78P447SAS  
* 32 pin DIP 600 mil  
: EM78P447SBP  
* 32 pin SOP (SOIC) 450 mil : EM78P447SBWM  
This specification is subject to change without prior notice.  
4
06.25.2003 (V1.1)  
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