參數(shù)資料
型號(hào): HTCM400
廠商: NXP Semiconductors N.V.
英文描述: HITAG core module hardware
中文描述: 此外,HITAG核心模塊的硬件
文件頁(yè)數(shù): 2/24頁(yè)
文件大?。?/td> 112K
代理商: HTCM400
2001 Oct 04
2
Philips Semiconductors
Product specification
HITAG core module hardware
HTCM400
CONTENTS
1
2
3
4
5
6
7
7.1
7.1.1
7.1.2
7.1.3
7.1.4
7.1.5
7.2
7.3
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
FEATURES
APPLICATIONS
GENERAL DESCRIPTION
ORDERING INFORMATION
BLOCK DIAGRAM
PINNING
FUNCTIONAL DESCRIPTION
System overview
Transponders
Host system
I/O functions
Connecting the antenna
Behaviour with several transponders
Core module software
Core module hardware
EEPROM
Microcontroller
Interface: microcontroller - host
Transmitter and receiver
Antenna
HITAG long range reader module
Interface: microcontroller - HITAG long range
board
Postal approval
Common mode filtering
Filtering of the supply voltages
Filtering of the antenna circuit
ESD protection
Security considerations
Data reliability
CRC of a data stream between reader module
and transponder
Checking user data
Data privacy
Operating security
Anticollision mode
Monitoring the supply voltage
Antenna rupture or short-circuit
7.4
7.4.1
7.4.2
7.4.3
7.4.4
7.5
7.6
7.6.1
7.6.2
7.6.3
7.7
7.7.1
7.7.2
7.7.3
8
9
9.1
9.2
10
10.1
10.2
10.3
10.3.1
ELECTRICAL SPECIFICATIONS
MECHANICAL SPECIFICATIONS
Mounting the module
Dimensions
APPLICATION INFORMATION
Metallic environment, interferences
Distance between two antennas
To build a proximity reader
Connection of the HTCM400 in order to build a
proximity read and write device.
Power supply
Interface driver
I/O functions
To build a long range reader
Possible sources of errors by connecting the
HTCM400
INSTRUCTIONS FOR BUILDING HITAG
PROXIMITY ANTENNAS
Basics
Antenna coil
Measuring the inductance
Antenna cable length
Antenna tuning
Determining the serial resistance of the
antenna
Checking the antenna voltage V
L
Procedure for practical antenna design
Reference antennas
SURVEY OF REFERENCED DOCUMENTS
DATA SHEET STATUS
DEFINITIONS
DISCLAIMERS
10.3.2
10.3.3
10.3.4
10.4
10.5
11
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
11.9
12
13
14
15
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