公开(公告)号：US20140300593A1

公开(公告)日：2014-10-09

申请号：US14228865

申请日：2014-03-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： EunJong JANG ,  Yong-Hun KIM ,  MYOUNGSIK SUH ,  Jae-Bum LEE ,  SooJin PARK

IPC: H03K17/22 ,  G09G5/00

CPC classification number: H03K17/223 ,  G06F1/24 ,  G09G3/20 ,  G09G5/003 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2330/026

Abstract: A power-on reset circuit includes a voltage detector unit to output an electrical signal in response to a power supply voltage received from a power supply terminal, an inverter to output a reset signal according to a level of the electrical signal from the voltage detector unit, a first switch unit to be turned on or off in response to the reset signal from the inverter; a first discharge unit to discharge the electrical signal in response to the power supply voltage from the first switch unit, a second switch unit to be turned on according to a start pulse signal from an external device and to receive the power supply voltage from the power supply terminal, and a second discharge unit to discharge the electrical signal in response to the power supply voltage from the second switch.

Abstract translation: 上电复位电路包括电压检测器单元，用于响应于从电源端子接收的电源电压输出电信号，反相器根据来自电压检测器单元的电信号的电平输出复位信号 响应于来自逆变器的复位信号而导通或关断的第一开关单元; 第一放电单元，用于响应于来自第一开关单元的电源电压而放电电信号;第二开关单元，根据来自外部设备的起始脉冲信号导通，并从电源接收电源电压; 供给端子和第二放电单元，以响应于来自第二开关的电源电压来放电电信号。