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SN8F22711B 参数 Datasheet PDF下载

SN8F22711B图片预览
型号: SN8F22711B
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: 111 页 / 1291 K
品牌: SONIX [ SONIX TECHNOLOGY COMPANY ]
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SN8F2270B Series  
USB 2.0 Low-Speed 8-Bit Micro-Controller  
5
SYSTEM OPERATION MODE  
5.1 OVERVIEW  
The chip is featured with low power consumption by switching around four different modes as following.  
z
z
z
z
High-speed mode  
Low-speed mode  
Power-down mode (Sleep mode)  
Green mode  
Power Down Mode  
(Sleep Mode)  
P0, P1 Wake-up Function Active.  
USB Bus.  
CPUM1, CPUM0 = 01.  
External Reset Circuit Active.  
CLKMD = 1  
CLKMD = 0  
Normal Mode  
Slow Mode  
P0, P1 Wake-up Function Active.  
T0 Timer Time Out.  
CPUM1, CPUM0 = 10.  
P0, P1 Wake-up Function Active.  
T0 Timer Time Out.  
USB Bus.  
USB Bus.  
External Reset Circuit Active.  
Green Mode  
External Reset Circuit  
Active.  
System Mode Switching Diagram  
Operating mode description  
POWER DOWN  
MODE  
NORMAL  
SLOW  
GREEN  
REMARK  
(SLEEP)  
IHRC  
ILRC  
CPU instruction  
T0 timer  
TC0 timer  
USB  
Running  
Running  
Executing  
*Active  
*Active  
Running  
By STPHX  
Running  
Executing  
*Active  
*Active  
Inactive  
By STPHX  
Running  
Stop  
*Active  
Inactive  
Inactive  
Stop  
Stop  
Stop  
Inactive  
Inactive  
Inactive  
* Active if T0ENB=1  
* Active if TC0ENB=1  
* Active if USBE=1  
By Watch_Dog By Watch_Dog By Watch_Dog By Watch_Dog Refer to code option  
Watchdog timer  
Code option  
All active  
All active  
Code option  
All active  
All active  
Code option  
Code option  
All inactive  
All inactive  
description  
Internal interrupt  
External interrupt  
T0  
All active  
P0, P1, T0,  
Reset  
Wakeup source  
-
-
P0, P1, Reset  
z
z
IHRC: Internal high clock (6MHz RC oscillator)  
ILRC: Internal low clock (24KHz RC oscillator)  
SONiX TECHNOLOGY CO., LTD  
Page 47  
Version 1.2