参数资料
型号: SN8P1603S
厂商: SONIX Technology Co., Ltd.
英文描述: 8-Bit Micro-Controller
中文描述: 8位微控制器
文件页数: 40/94页
文件大小: 540K
代理商: SN8P1603S
SN8P1600
8-bit micro-controller
SONiX TECHNOLOGY CO., LTD
Page 40
Revision 1.94
In power-fail condition as Brown-out reset. The reset pin may keep high level but the VDD is low voltage. That makes
the system reset fail and chip error. To connect a diode from reset pin to VDD is a good solution. This circuit can force
the capacitor to release electrical charge and drop the voltage, and solve the error.
GND
VCC
RST
VDD
MCU
VSS
R
20K ohm
C
0.1uF
DIODE
LOW VOLTAGE DETECTOR (LVD) DESCRIPTION
The LVD is a low voltage detector. It detects VDD level and reset the system as the VDD lower than the desired
voltage. The detect level is 2.4V. If the VDD lower than 2.4V, the system resets. The LVD function is controlled by code
option. Users can turn on it for special application like power-fail condition. LVD work with external reset function. They
are OR active.
System Reset
LVD Detect Level
End of LVD Reset
VDD
LVD
The LVD can protect system to work well under Brown-out reset, but it is a high consumptive circuit. In 3V condition,
the LVD consumes about 100uA. It is a very large consumption for battery system, but supports AC system well.
Note: LVD is enabled by code option.
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SN8P1603X 制造商:SONIX 制造商全称:SONIX 功能描述:8-Bit Micro-Controller
SN8P1604 制造商:SONIX 制造商全称:SONIX 功能描述:8-Bit Micro-Controller
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SN8P1604AP 制造商:SONIX 制造商全称:SONIX 功能描述:8-Bit Micro-Controller
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