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EM78P510NAM 参数 Datasheet PDF下载

EM78P510NAM图片预览
型号: EM78P510NAM
PDF下载: 下载PDF文件 查看货源
内容描述: 8位OTP微 [8-Bit Microprocessor with OTP ROM]
分类和应用: OTP只读存储器
文件页数/大小: 116 页 / 2156 K
品牌: ELAN [ ELAN MICROELECTRONICS CORP ]
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EM78P510N  
8-Bit Microcontrollers  
Note: Open-drain is not shown in the figure.  
Figure 6-5 Circuits of I/O Port and I/O Control Register for Ports 7~ 9, and Ports A ~ C  
6.5 Reset and Wake-up  
A Reset can be caused by:  
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Power-on reset  
WDT timeout (if enabled)  
LVR Reset  
RESET pin pulls low  
NOTE  
The power-on reset circuit is always enabled, it will reset the CPU at 2.3V and power  
consumption is 0.5µA.  
Once a Reset occurs, the following functions are performed:  
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„
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„
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The oscillator is running, or will be started.  
The Program Counter (R2) is set to all "0".  
All I/O port pins are configured as input mode (high-impedance state).  
The TCC/Watchdog timer and prescaler are cleared.  
When power is on, all bits of R5 and R6 are cleared.  
The other registers are described in Table 2  
42 •  
Product Specification (V0.9) 09.12.2006  
(This specification is subject to change without further notice)  
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