W55MID50 Data Sheet
Winbond MFID
WB
Reader
W55MID50
Data Sheet
W55MID50 Data Sheet
Winbond Electronics Corp. 2 Revision: A3 Publish Date: 2003/3/24
Contents
General Description
3
1.1 W55MID50 Features
..............................................................................................3
1.2 W55MID50 Pin Description
...................................................................................4
System Description
5
2.1 W55MID50 System Block Diagram
.......................................................................5
2.2 W55MID50 Functional Description
.......................................................................5
Electronic Characteristics
7
3.1 W55MID50 Absolute Maximum Ratings
...............................................................7
3.2 W55MID50 DC Characteristics
..............................................................................7
3.3 W55MID50 Ordering Information
.........................................................................7
3.4 FAQ
........................................................................................................................8
3.5 W55MID50 Data Sheet Document History
............................................................8
W55MID50 Data Sheet
Winbond Electronics Corp. 3 Revision: A3 Publish Date: 2003/3/24
General Description
Winbond MFID
WB
(Magnetic Field
Identification) series is used in all areas of automatic
data capture allowing contactless identification of
objects using magnetic field. From ticketing to
industrial automation and access control, the
applications of MFID are burgeoning. In recent years
automatic identification procedures have become very
popular in many service industries, purchasing and
distribution logistics, industry, manufacturing
companies and material flow systems.
W55MID50 is one of series in Winbond
MFID
WB
family that supports multi-functional Reader
solution and especially focus on toy, security, and
consumer related applications. The applications with
Winbond MFID
WB
Tag series such as W55MID10 that
provides read-only mask ROM-ID version transponder
for mass production solution in toy industrial,
meanwhile W55MID15 provides the other solution for
manufacture option, which is 243 bonding-ID selection
transponder. Besides the single tag transponder
application, W55MID35 offers multi-transponder
recognition function for intelligent and smart toy
applications.
W55MID50 provides a wide variety of
applications for toy, security, and consumer market
meanwhile the W55MID50 is the most cost effective
solution on current MFID
WB
related application market.
1.1 W55MID50 Features
Magnetic field resonance frequency:
13.56MHz
Data clock: 22 ~ 66KHz
Inductive coupled power supplies for
transponder's no battery operation
On-chip rectifier, voltage limiter, clock
extraction, power management, uC
interface
Provides NRZ and Manchester coding
data format
Adjustable 4-level of Reader
transmission power selection
Provides serial and parallel mode uC
interface
uC data output rate 1Mbps
Low power, low voltage operation
Supports power-down mode 1uA
Operating distance: 0 ~ 10cm
Operating voltage: 2.4V ~ 5.5V
Operating temperature: 0 ~ 70
C
Package: Dice form, PDIP-20, SOP-20
Reference design PC board Size:
2.0x2.0cm
2
(without PCB antenna)
Winbond patented "Automatic Reader
Transmission Power Adjustment" for
Reader optimum transmission power
adjust
Minimize external components
W55MID50 Data Sheet
Winbond Electronics Corp. 4 Revision: A3 Publish Date: 2003/3/24
1.2 W55MID50 Pin Description
Symbol
PAD
No.
I/O
Functional Description
D3
1
O
Data output #3
D2
2
O
Data output #2
D1
3
O
Data output #1
D0
4
O
Data output #0
XIN
5
I
Connect to external 13.56MHz oscillator
XOUT
6
O
Connect to external 13.56MHz oscillator
VSS
7
GND
Digital power return path
CMD
8
I/O
R/W configuration register
CLK
9
I
Command R-W/ Read data clock
VDD
10
Power Power
path
RX_VDD
11
Power
Power path of Rx
RX_VSS
12
GND
Power return path of Rx
ENV
13
I
Envelope detector input
RESET
14
I Reset
TagIn
15
O
Indication of tag arrival
COIL
16
O
PA output to connect with PCB antenna
TX_VSS
17
GND
Power return path of PA
TX_VDD
18
Power
Power path of PA
W55MID50 Data Sheet
Winbond Electronics Corp. 5 Revision: A3 Publish Date: 2003/3/24
System Description
2.1 W55MID50 System Block Diagram
2.2 W55MID50 Functional Description
Transmission Power Amplifier (PA)
It provides 4 different selectable transmission
power for Reader chip to support MFID
WB
Tag's
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
The major function of this unit provides
MFID
WB
Tag's data can be extracted.
Voltage Regulator
The voltage regulator generates the system
needs of device power supply.
Configuration Register
System configuration register controls the all
functional settings of W55MID50 such as Tag data
Command
Extractor
Configuration
Register
Data-
Buff.
output
Data-
Buff.
I
Envelope detector
&
Analog Front End
Oscillation circuit
13.56MHz
Voltage
Regulator
Preamble
&
Data Clk
Generator
Decoder
(NRZ/
Man.)
Reset &
Power down
Control
PA
Data-
Buff.
II
TXD
W55MID50 Data Sheet
Winbond Electronics Corp. 6 Revision: A3 Publish Date: 2003/3/24
format, Tag detection cycle, output data format, and PA
transmission power selection.
Reset and Power-down Control
The function of system power-down control
mode is normally used for power consumption saving.
Crystal Oscillation
The 13.56MHz system clock generator
generates the need of device system clock.
Decoder NRZ/Manchester
This unit is in charge of Tag data format
decoder, which can provide Tag-ID data format
decoding of NRZ or Manchester.
Data Buffer and Output
This unit buffers the Tag-ID data, which is
under de-frame processing.
W55MID50 Data Sheet
Winbond Electronics Corp. 7 Revision: A3 Publish Date: 2003/3/24
Electronic Characteristics
3.1 W55MID50 Absolute Maximum Ratings
Parameter
Rating
Unit
Maximum Current in COIL
10
mA
Power Dissipation (T
a
= 70
C)
100 mW
Ambient Operating Temperature
0 to +70
C
Storage Temperature
-40 to +85
C
Note:
Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device.
3.2 W55MID50 DC Characteristics
(VDD-VSS = 4.5 V, Ta = 25
C; unless otherwise specified)
Parameter
Sym.
Conditions
Min.
Typ.
Max.
Unit
Operating Magnetic Field
f
OP
Field in resonation
- 13.56 - MHz
Operating Voltage
V
DD
Field in resonation
3 - 5.5
V
Operating Temperature
Tamb
Ambient operating temp
0 25 70
C
Operating Current
I
OP
f
OP
= 13.56MHz
- 22 - mA
Stand-by Current
I
SB
Power Down mode enter
- 0.7 1 uA
Sink Current
I
SK
VoL = 0.3VDD
- 10 - mA
Source Current
I
SR
VoH = 0.7VDD
- -6 - mA
3.3 W55MID50 Ordering Information
W55MID50 provides two types of package in shipment: Dice form, PDIP-20, SOP-20, and Wafer
Part Number
Package
Remarks
W55MID50 Dice
form
W55MID50 PDIP-20
W55MID50 SOP-20
W55MID50
Wafer form
MOQ required
W55MID50 Data Sheet
Winbond Electronics Corp. 8 Revision: A3 Publish Date: 2003/3/24
3.4 FAQ
Q.
What "MFID
WB
" means?
A.
"MFID
WB
" Magnetic Field Identification, which is a Winbond contactless identification chip product series.
There are many application, architecture, and circuit design patented by Winbond.
Q.
What different between W55MID15 and W55MID35?
A.
W55MID15 is a single-tag application without "Anti-collision" algorithm build-in. W55MID35 is a multi-tag
application with "Anti-collision" algorithm build-in.
Q.
What is the operating frequency?
A.
Both W55MID15 and W55MID35 are operating on 13.553MHz ~ 13.567MHz ISM.
Q.
Does W55MID50 Reader IC pass FCC compliance testing?
A.
W55MID50 pass FCC compliance test of Section 15.209 and Section 15.225.
Q.
How are W55MID15 and W55MID35 IDs generated?
A.
W55MID15 and W55MID35 IDs are generated by manufacturing bonding option of pads RS0 ~ RS4.
Q.
How many W55MID15 and W55MID35 IDs are generated?
A.
There are total 243 bonding option IDs for W55MID15 and W55MID35.
Q.
How are W55MID15 and W55MID35 IDs read?
A.
W55MID50 is a function of MFID Reader IC. W55MID15 and W55MID35 automatically respond with its ID when
it is coupled by magnetic resonance power from Reader.
Q.
Is it possible to read multiple MFID
WB
chips in the same magnetic area?
A.
W55MID35 has been implemented by "Anti-collision" algorithm to allow more than one IDs can be simultaneously
recognized in the same magnetic area.
Q.
How many W55MID35 IDs can be simultaneously read in the same magnetic area?
A.
Actually, there is no any limitation in total number of W55MID35 tags can be simultaneously read, if the Reader
system can provide sufficient coupled magnetic resonance power to every W55MID35 tag,
Q.
Does anything interfere with MFID chip readout operation?
A.
W55MID series is operating on 13.553MHz ~ 13.567MHz, therefore it is far away from 27MHz and 2.45GHz.
There is no any interference with W55MIDseries.
3.5 W55MID50 Data Sheet Document History
Revision
Date
Description
A0 2002/9/15 Preliminary
version
A1
2002/12/29
Pin functional description update
A2
2003/2/7
General description update
A3
2003/3/23
FCC compliance testing report
W55MID50 Data Sheet
Winbond Electronics Corp. 9 Revision: A3 Publish Date: 2003/3/24
W55MID50 Data Sheet
Winbond Electronics Corp. 10 Revision: A3 Publish Date: 2003/3/24
Headquarters
No. 4, Creation Rd. III,
Science-Based Industrial Park,
Hsinchu, Taiwan
TEL: 886-3-5770066
FAX: 886-3-5792697
http://www.winbond.com.tw/
Voice & Fax-on-demand: 886-2-27197006
Taipei Office
11F, No. 115, Sec. 3, Min-Sheng East Rd.,
Taipei, Taiwan
TEL: 886-2-27190505
FAX: 886-2-27197502
Winbond Electronics (H.K.) Ltd.
Rm. 803, World Trade Square, Tower II,
123 Hoi Bun Rd., Kwun Tong,
Kowloon, Hong Kong
TEL: 852-27513100
FAX: 852-27552064
Winbond Electronics North America Corp.
Winbond Memory Lab.
Winbond Microelectronics Corp.
Winbond Systems Lab.
2727 N. First Street, San Jose,
CA 95134, U.S.A.
TEL: 408-9436666
FAX: 408-5441798
Note: All data and specifications are subject to change without notice.
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