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WS1850 Datasheet(PDF) 2 Page - WiseSun Intelligence Technology Co. Ltd.

Part # WS1850
Description  13.56MHz contactless card reader chip conforming to ISO/IEC 14443A/B standards
PDF  9 Pages
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Manufacturer  WISESUN [WiseSun Intelligence Technology Co. Ltd.]
Direct Link  http://www.wisesun.com/index.php
Logo WISESUN - WiseSun Intelligence Technology Co. Ltd.

WS1850 Datasheet(HTML) 2 Page - WiseSun Intelligence Technology Co. Ltd.

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深圳前海维晟智能技术有限公司
Shenzhen Qianhai WiseSun Intelligence Technology Co. Ltd.
WS1850S
Jun. 2018
Preliminary Rev 1.1
第2页，共9页
芯片简介
WS1850S是针对金融领域及非接触式门锁类、门禁类和各种读卡设备应用推出的低电压、低成本的
符合ISO/IEC 14443 Type A/Type B协议并工作在13.56MHz高频模式下的读写卡芯片，具有高集成度和
超低功耗的特点。特别适用于在追求低成本的同时需要较高性能的非接触式读卡数据传输的应用场合。
1
管脚及其描述
1.1 管脚图
WS1850S采用通用的管脚间距为0.5mm的QFN32封装形式，管脚定义如图1所示。
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I2C
PVDD
DVDD
DVSS
PVSS
NRSTPD
MFIN
MFOUT
WS1850S
SDA/NSS/RX
IRQ
OSCOUT
OSCIN
AUX2
AUX1
AVSS
RX
图1 QFN32封装脚位图



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