W55MID50 WINBOND [Winbond], W55MID50 Datasheet - Page 5

• Manufacturer Part Number: W55MID50
• Description: WINBOND MFID READER
• Manufacturer: WINBOND [Winbond]

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