Block Diagram

FCC ID: PQN7260013M56

Block Diagram

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FCCID_2348139

Product Block Diagram LCD Panel LCD Panel Left Side Right Side Antenna 13.56MHz LCD Driver Crystal Crystal Crystal U1 Oscillator Oscillator Oscillator EEPROM 32.768kHz Y2 13.56MHz Y1 U7 24MHz Y3 Batteries Voltage MCU Sound RFID 1.5V x 4AA Regulator U5 (LCD Controller U2 Controller/Driver with (6.0V) 3.3V Speaker Driver) U4 U6 Control Key Speaker LED Motor MIC S5~S7 SP1 LED1~LED3 M1 MK1 Touch Sensors CMOS Flash Pad 1 & Pad2 U8

W55MID50 Data Sheet System Description 2.1 W55MID50 System Block Diagram Reset & Voltage Oscillation circuit Power down Regulator 13.56MHz Control Preamble Command & TXD Configuration Extractor Register Data Clk PA Generator Data- Data- Decoder Buff. Data- Buff. (NRZ/ Envelope detector output Buff. I Man.) & II Analog Front End 2.2 W55MID50 Functional Description Transmission Power Amplifier (PA) The major function of this unit provides It provides 4 different selectable transmission MFIDWB Tag's data can be extracted. power for Reader chip to support MFIDWB Tag's radiation power supply. The external inductor coupling Voltage Regulator circuit is designed for 13.56MHz magnetic field The voltage regulator generates the system resonance. The coupled center frequency will depend needs of device power supply. on equivalent value of external PCB inductor and capacitor. Configuration Register System configuration register controls the all Envelope Detector & Analog Front End functional settings of W55MID50 such as Tag data Winbond Electronics Corp. 5 Revision: A3 Publish Date: 2003/3/24


Document Created: 2014-08-05 10:45:59
Document Modified: 2014-08-05 10:45:59
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