Philips HTRM800-AED Datasheet

INTEGRATED CIRCUITS

DATA SH EET

HTRM800 family

HITAG long range reader module hardware

Product speciﬁcation Supersedes data of 1999 Jan 01 File under Integrated Circuits, IC11

2001 Oct 04

Philips Semiconductors Product speciﬁcation

HITAG long range reader module hardware

CONTENTS

1 FEATURES 2 APPLICATIONS 3 GENERAL DESCRIPTION 4 ORDERING INFORMATION 5 BLOCK DIAGRAM 6 PINNING

6.1 ST1 connector

6.2 ST2 connector 7 FUNCTIONAL DESCRIPTION

7.1 System overview

7.1.1 Transponders

7.1.2 Antenna

7.1.3 Host system

7.1.4 I/O functions

7.1.5 Power supply

7.2 Reader module software

7.3 Reader module hardware

7.3.1 Microcontroller

7.3.2 Interface microcontroller to host

7.3.3 Transmitting part

7.3.4 Receiving part

7.3.5 Digital signal processing unit

7.3.6 Periodic disturbers

7.3.7 Voltage regulating unit

7.3.8 Standby mode

7.3.9 Behaviour with HITAG 1 transponders

7.3.10 Behaviour with HITAG 2 transponders

7.4 Postal approval

7.5 Operating security

7.5.1 Anticollision mode

7.5.2 Monitoring the supply voltage

7.5.3 Antenna rupture and antenna short-circuit

7.6 Security considerations

7.6.1 Data privacy

HTRM800 family

8 ELECTRICAL SPECIFICATIONS 9 MECHANICAL SPECIFICATIONS 10 APPLICATION INFORMATION

10.1 Metallic environment and interferences

10.2 Distance between two antennas

10.3 External power supply

10.4 Possible sources of errors by connecting the HTRM800

10.5 Building HITAG long range antennas

10.5.1 Basics

10.5.2 Recommended antenna cable and length

10.5.3 Tuning of the antenna current

10.5.4 Tuning of the antenna phase

10.5.5 HITAG antenna tuning device

10.5.6 Antenna malfunction indication

10.5.7 Additional remarks

10.6 Antenna arrangements

11 SURVEY OF REFERENCED DOCUMENTS 12 DATA SHEET STATUS 13 DEFINITIONS 14 DISCLAIMERS

2001 Oct 04 2

Philips Semiconductors Product speciﬁcation

HITAG long range reader module hardware

1 FEATURES

• Multi-tag operation (anticollision)

• Read and write distances up to 1000 mm

• Digital signal processor to reduce noise sensitivity

• Communication with all HITAG transponders and

various other 125 kHz transponders

• Data encryption and key handling

• Easy system integration

• Three interface options

• Meets all requirements for CE and EMI approval.

2 APPLICATIONS

• Universal and flexible reader module for long range systems.

3 GENERAL DESCRIPTION

(1)

HITAG product lines of our 125 kHz family. The contactless read and write system that works with passive transponders is suitable for various applications.

is the nameof one of the universal and powerful

HTRM800 family

Inductive coupling helps you to achieve operating ranges up to 1000 mm and the use of cryptography guarantees highest data security.

Anticollision mode, which is used only in long range operation, allows you to handle several transponders that are within the communication field of the antenna at the same time, thus achieving highest operating security and permitting to handle several data transfers quickly and simultaneously. In this context anticollision becomes an essential element of applications such as ski-ticketing and long range access control. With applications of that type it will always happen that several transponders arrive in the communication field of the antenna at the same time.

(1) HITAG - is a trademark of Philips Semiconductors

Gratkorn GmbH.

4 ORDERING INFORMATION

PART NUMBER NAME ORDER CODE (12NC)

HTRM800/AED HITAG long range reader module RS232 9352 338 40122 HTRM800/CED HITAG long range reader module RS485 9352 338 50122 HTRM800/EED HITAG long range reader module CMOS 9352 338 60122

2001 Oct 04 3

Philips Semiconductors Product speciﬁcation

HITAG long range reader module hardware

5 BLOCK DIAGRAM

handbook, full pagewidth

125 kHz

LINE DRIVER

CMOSIN

CMOSOUT

INT1 INT2 RXD

TXD

+15 V IN

GND

−15 V IN

CMOS

OPTIONAL

RS485

OPTIONAL

RS232

VOLT AGE

REGULATOR

AMPLIFIER

DEMODULATOR

CORE MODULE

FILTER

DIGITAL SIGNAL

PROCESSOR

MICRO-

CONTROLLER

HTCM400

VOLT AGE

LIMITER

HTRM800

HTRM800 family

ANT

GND

antenna

CMIN

CMOUT

MGU417

6 PINNING

handbook, full pagewidth

ST1

Fig.1 Block diagram.

R72

HTRM800

ST2

21ANT

GND

Fig.2 Pin assignment.

2001 Oct 04 4

MGU418

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

HTRM800 family

hardware

6.1 ST1 connector

SYMBOL PIN TYPE

−15VIN 1 P DC supply voltage (−15 V) GND 2 P ground +15VIN 3 P DC supply voltage (+15 V) GND 4 P ground RXD 5 I serial interface input; RS232 level GND 6 P ground CMOSIN 7 I serial interface input; CMOS level (optional) INT1 8 I/O serial interface input and output 1; RS485 level (optional) CMIN 9 I core module input; general purpose CMOUT 10 O core module output; general purpose GND 11 P ground GND 12 P ground INT2 13 I/O serial interface input and output 2; RS485 level (optional) CMOSOUT 14 O serial interface output; CMOS level (optional) GND 15 P ground TXD 16 O serial interface output; RS232 level GND 17 P ground +15VIN 18 P DC supply voltage (+15 V) GND 19 P ground

−15VIN 20 P DC supply voltage (−15 V)

(1)

DESCRIPTION

Note

1. P = power supply, O = output and I = input.

6.2 ST2 connector

SYMBOL PIN DESCRIPTION

GND 1 ground ANT 2 antenna output and input

2001 Oct 04 5

Philips Semiconductors Product speciﬁcation

HITAG long range reader module hardware

7 FUNCTIONAL DESCRIPTION

handbook, full pagewidth

HOST

SYSTEM

POWER SUPPLY

antenna

HTRM800

I/O FUNCTIONS

Fig.3 System overview.

HTRM800 family

HITAG 1

transponders

HITAG 2

transponder

MGU419

7.1 System overview

The HITAG long range reader module (see Fig.3) is a part of a complete Radio Frequency Identification (RFID) system which consists of:

• Transponders

• Antenna

• Host system

• I/O functions

• Power supply.

7.1.1 TRANSPONDERS

TheHTRM800cancommunicatewithtranspondersbased on Philips HITAG 1 and HITAG 2.

7.1.2 ANTENNA

The antenna is an important part of the HITAG long range system. The antenna must provide energy and data transmissionbetween the reader moduleand transponder.

7.1.3 HOST SYSTEM

The connection to the host system (e.g. microcontroller or PC) is a serial interface on RS232 level for data transmission.

7.1.4 I/O FUNCTIONS

One line of the HTRM800 is wired as input from e.g. a switch and one line as output to drive a LED.

7.1.5 POWER SUPPLY The HTRM800 must be supplied from an external power

supply with +15 V and −15 V (see Section 10.3).

7.2 Reader module software

Software command names mentioned in this data sheet are fully described in document

“HTCM400, HTRM440 Family, HTRM800 Family Interface Protocol Reader Host”

7.3 Reader module hardware

7.3.1 MICROCONTROLLER The microcontroller is placed on the HITAG core module

(see Fig.1) and processes the protocol for the communication between the transponders and the reader module. The interface signals are converted so that the transponders are able to process them and the outgoing signals from the transponders are converted into interface-compatible signals.

The second essential microcontroller function is its control function.Themicrocontrolleractivatesand deactivates the transmitter and switches the receiver between the modes for the different transponders reception.

Additional functions of the microcontroller are controlling the standby mode of the amplifier, detection of detuned or broken antennas (antenna malfunction) and controlling of the input and output for general purpose.

2001 Oct 04 6

+ 14 hidden pages