R
ADIO
F
REQUENCY
I
DENTIFICATION
S
YSTEMS
Controller Entry Transponder IC
TMS37C136 / TMS37F136
The Controller Entry Transponder (CET) combines a low-power
Base station
in the car
16bit microcontroller with the proven TI DST+ transponder plus a
sophisticated power management; it is the ideal device for Remote
UHF
Keyless Entry applications for automotive.
receiver
The embedded DST+ transponder offers a high level of security
Control
Unit
through its encryption, mutual authentication and after-theft
LF Trans-
diagnosis features; it operates without battery. The low-power
ceiver
microcontroller MSP430 offers a 16bit RISC architecture, 8kByte
ROM and 11 I/O ports. The power management features battery
charge and battery check functions, which can be used for
charging of the battery through the transponder LF field.
The CET is available as flash (TMS37F136) and ROM (TMS37C136) version.
Identification
device
UHF
TMS
37C136
LF
Specifications:
Part Number
Features
TMS 37C136
Immobilizer plus micro controller plus power management
Immobilizer compatible to DST+ (E9WK )
16bit RISC ultra low-power microcontroller MSP430
Battery Check / Charge function
Supply Voltage
Current consumption
Transponder
Transmission Principle
Operating Frequency
Security
Modulation Downlink (to the TRP)
Datarate Downlink
EEPROM Memory
Microcontroller
Memory
I/O ports
Other
Operating Temperature
Storage Temperature
Package
1.8 鈥?3.6 V
Active: 350 碌A(chǔ) (Vcc=3V/ f
osc
=1MHz ), Stand-by: 0.3 碌A(chǔ)
HDX (Half Duplex), FDX ( Full Duplex using amplitude Modulation)
134.2 kHz
TI Challenge/Response, Mutual Authentication, Secure Issuer Access Mode
100% AM, Bit Coding PWM or PPM
PWM: typ. 1,3kBit / PPM: typ. 2kBit
127Byte (lockable) for User data, 25Byte for Encryption Keys, serial#, configuration
8kByte ROM, 256Byte RAM
11
On Chip Oscillator (accuracy +/- 4%)
-40 to +85擄C
-40 to +125擄C
30 Pin TSSOP DBT
For more information, contact the sales office or distributor nearest you. This contact information can be found
on our web site at:
http://www.ti-rfid.com
Texas Instruments reserves the right to change its products and services at any time without notice. TI provides customer assistance in various
technical areas, but does not have full access to data concerning the uses and applications of customers products. Therefore, TI assumes no
responsibility for customer product design or for infringement of patents and/or the rights of third parties, which may result from assistance
provided by TI.
漏 Copyright 2002 Texas Instruments Incorporated.
Data Sheet: 11-0-22-006 11/03
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