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SN8P1602AS bảng dữ liệu(PDF) 40 Page - SONiX Technology Company

tên linh kiện SN8P1602AS
Giải thích chi tiết về linh kiện  8-Bit Micro-Controller
PDF  94 Pages
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nhà sản xuất  SONIX [SONiX Technology Company]
Trang chủ  http://www.sonix.com.tw
Logo SONIX - SONiX Technology Company

SN8P1602AS bảng dữ liệu(HTML) 40 Page - SONiX Technology Company

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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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