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TDA8005 Datasheet

Low-power smart card coupler

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INTEGRATED CIRCUITS
DATA SHEET
TDA8005
Low-power smart card coupler
Product specification
Supersedes data of 1995 Apr 13
File under Integrated Circuits, IC17
1996 Sep 25


NXP Semiconductors Electronic Components Datasheet

TDA8005 Datasheet

Low-power smart card coupler

No Preview Available !

Philips Semiconductors
Low-power smart card coupler
Product specification
TDA8005
FEATURES
VCC generation (5 V ±5%, 20 mA maximum with
controlled rise and fall times)
Clock generation (up to 8 MHz), with two times
synchronous frequency doubling
Clock STOP HIGH, clock STOP LOW or 1.25 MHz (from
internal oscillator) for cards power-down mode
Specific UART on I/O for automatic direct/inverse
convention settings and error management at
character level
Automatic activation and deactivation sequences
through an independent sequencer
Supports the protocol T = 0 in accordance with
ISO 7816, GSM11.11 requirements (Global System for
Mobile communication); and EMV banking specification
approved for Final GSM11.11 Test Approval (FTA)
Several analog options are available for different
applications (doubler or tripler DC/DC converter, card
presence, active HIGH or LOW, threshold voltage
supervisor, etc.
Overloads and take-off protections
Current limitations in the event of short-circuit
Special circuitry for killing spikes during power-on or off
Supply supervisor
Step-up converter (supply voltage from 2.5 to 6 V)
Power-down and sleep mode for low-power
consumption
Enhanced ESD protections on card side
(6 kV minimum)
Control and communication through a standard RS232
full duplex interface
Optional additional I/O ports for:
– keyboard
– LEDs
– display
– etc.
80CL51 microcontroller core with 4 kbytes ROM and
256-byte RAM.
APPLICATIONS
Portable smart card readers for protocol T = 0
GSM mobile phones.
GENERAL DESCRIPTION
The TDA8005 is a low cost card interface for portable
smart card readers. Controlled through a standard serial
interface, it takes care of all ISO 7816 and GSM11-11
requirements. It gives the card and the set a very high level
of security, due to its special hardware against ESD,
short-circuiting, power failure, etc. Its integrated step-up
converter allows operation within a supply voltage range of
2.5 to 6 V.
The very low-power consumption in Power-down and
sleep modes saves battery power. A special version where
the internal connections to the controller are fed outside
through pins allows easy development and evaluation,
together with a standard 80CL51 microcontroller.
Development tools, application report and support
(hardware and software) are available.
The device can be supplied either as a masked chip with
standard software handling all communication between
smart card and a master controller in order to make the
application easier, or as a maskable device.
1996 Sep 25
2


Part Number TDA8005
Description Low-power smart card coupler
Maker NXP
Total Page 30 Pages
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