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SN8P1603S 参数 Datasheet PDF下载

SN8P1603S图片预览
型号: SN8P1603S
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
文件页数/大小: 94 页 / 531 K
品牌: SONIX [ SONIX TECHNOLOGY COMPANY ]
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SN8P1600  
8-bit micro-controller  
SYSTEM MODE DESCRIPTION  
OVERVIEW  
The chip is featured with low power consumption by switching around three different modes as following.  
High-speed mode  
Low-speed mode  
Power-down mode (Sleep mode)  
In actual application, user can adjust the MCU to work in one of these three modes by using OSCM register. At the  
high-speed mode, the instruction cycle (Fcpu) is Fosc/4. At 3V, low-speed mode, the Fcpu is 16KHz/4.  
NORMAL MODE  
In normal mode, the system clock source is external high-speed clock. After power on, the system works under normal  
mode. The instruction cycle is fosc/4. When the external high-speed oscillator is 3.58MHz, the instruction cycle is  
3.58MHz/4 = 895KHz. All software and hardware are executed and working. In normal mode, system can get into  
power down mode and slow mode.  
SLOW MODE  
In slow mode, the system clock source is internal low-speed RC clock. To set CLKMD = 1, the system switch to slow  
mode. In slow mode, the system works as normal mode but the slower clock. The system in slow mode can get into  
normal mode and power down mode. To set STPHX = 1 to stop the external high-speed oscillator, and then the  
system consumes less power.  
POWER DOWN MODE  
The power down mode is also called sleep mode. The MCU stops working as sleeping status. The power consumption  
is very less as zero. The power down mode is usually applied to power-saving system like battery-powered  
productions. To set CUPM0 = 1, the system gets into power down mode. The external high-speed and low-speed  
oscillators are turned off. The system can be waked up by P0, P1 trigger signal.  
SONiX TECHNOLOGY CO., LTD  
Page 47  
Revision 1.94  
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