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73S8009R Schematic ( PDF Datasheet ) - Teridian Semiconductor

Teilenummer 73S8009R
Beschreibung Low Cost Versatile Smart Card Interface
Hersteller Teridian Semiconductor
Logo Teridian Semiconductor Logo 




Gesamt 23 Seiten
73S8009R Datasheet, Funktion
Simplifying System Integration™
DS_8009R_056
73S8009Rwww.DataSheet4U.com
Low Cost Versatile Smart Card
Interface
DATA SHEET
October 2009
DESCRIPTION
The 73S8009R is a very low-cost level shifter, single
smart card (ICC) interface IC. The device includes a
level shifter interface between a 3.3 V (typical) logic
circuitry (host microcontroller) and an ISO-7816 /
EMV smart card. The 73S8009R is designed to
provide full electrical compliance with ISO-7816-3
EMV4.1 (EMV2000) and GSM11-11 specifications.
In normal operating mode, for maximum designer
flexibility, the host microcontroller is responsible for
card activation and deactivation. The 73S8009R
incorporates an ISO-7816-3 deactivation sequencer
that controls the card signals in case of fault detection
and card removal. Card presence and faults are
reported to the host through an interrupt output.
When the 73S8009R is ready to support a card with
the selected voltage, a RDY signal informs the host it
can initiate the card activation sequence.
The 73S8009R supports 5V, 3V and 1.8V cards.
Selection is done through 2 dedicated digital inputs.
Level-shifters drive the card signals with the selected
card voltage coming from an internal Low Drop-Out
(LDO) voltage regulator. The LDO regulator is
powered by a dedicated power supply input, VPC.
Digital circuitry is separately powered by a digital
power supply, VDD.
Emergency card deactivation is initiated upon card
extraction or any fault generated by the protection
circuitry. The fault can be a card over-current, a VDD
(digital power), a VPC (regulator power), a VCC
(card power output) or an over-heating fault.
A chip select digital input drives internal latches that
allow the host controller to control multiple
73S8009R ICs in parallel. A power down digital
input also allows the host microcontroller to place
the IC in a very low-power mode making the
73S8009R particularly suitable for low-power and
battery-powered applications.
Auxiliary I/O lines are also available (SO28 package
only) and make the 73S8009R suitable for all kind
of cards, including synchronous (memory) cards.
APPLICATIONS
Set-Top-Box Conditional Access and
Pay-per-View
SIM card readers in DECT and GSM phones,
GPRS, WIFI and VOIP devices
Point of Sales & Transaction Terminals
General purpose smart card readers
ADVANTAGES
Lowest cost smart card interface IC on the
market
Ideal to replace discrete designs in POS
terminals and Set-Top-Boxes
Traditional step-up converter is replaced by
an LDO regulator
Greatly reduced power dissipation
Fewer external components are required
Better noise performance
Very low power dissipation
Small format (4x4x0.8 mm) QFN20 package
option
FEATURES
Card Interface:
Complies with ISO-7816-3, EMV 4.0 and
GSM 11-11 specifications
An LDO voltage regulator provides 1.8V /
3V / 5V to the card from an external power
supply input
Provides at least 90 mA to the card
ISO-7816-3 card emergency deactivation
sequencer
Protection includes 3 voltage supervisors
that detect voltage drops on VCC (card), VDD
(digital) and VPC (regulator) power supplies
Over-current detection, 150 mA max.
2 card detection inputs, 1 for each user
polarity
Auxiliary I/O lines for C4 / C8 contact
signals
Card CLK clock frequency up to 20 MHz
Rev. 1.3
© 2009 Teridian Semiconductor Corporation
1






73S8009R Datasheet, Funktion
73S8009R Data Sheet
DSw_w8w0.0D9atRaS_he0e5t46U.com
Table 1 describes the pin functions for the device.
Table 1: 73S8009R Pin Definitions
Pin
Name
Pin Pin
(SO28) (QFN20)
Card Interface
I/O 25 15
Type
IO
AUX1
24 NA IO
AUX2
23 NA IO
RST
CLK
21 13 O
19 11 O
PRES
PRES
26 16
16 10
I
I
VCC
22 14 PSO
GND
20 NA GND
Miscellaneous Inputs and Outputs
CLKIN
11 5
I
TEST1
2 19 –
TEST2
14 8
NC
3,17,18 NA
Power Supply and Ground
VDD
28 17
VPC
15 9
GND
27 12
Microcontroller Interface
CS 1 18
GND
I
OFF
4 20 O
Description
Card I/O: Data signal to/from card. Includes a pull-up
resistor to VCC.
AUX1: Auxiliary data signal to/from card. Includes a pull-up
resistor to VCC.
AUX2: Auxiliary data signal to/from card. Includes a pull-up
resistor to VCC.
Card reset: provides reset signal to card.
Card clock: provides clock signal to card. The rate of this
clock is determined by the external clock frequency
provided on pin CLKIN.
Card Presence switch: active high indicates card is present.
Should be tied to GND when not used, but includes a high-
impedance pull-down current source.
Card Presence switch: active low indicates card is present.
Should be tied to VDD when not used, but includes a high-
impedance pull-up current source.
Card power supply – logically controlled by the sequencer,
output of LDO regulator. Requires an external filter
capacitor to GND.
Card ground.
Clock source for the card clock.
This pin must be tied to GND in typical applications.
This pin must be tied to GND in typical applications.
Non-connected pin.
System interface supply voltage and supply voltage for
internal circuitry.
LDO regulator power supply source.
Ground.
When CS = 1, the control and signal pins are configured
normally. When CS is set low, CMDVCC%, RSTIN, and
CMDVCC# are latched, IOUC, AUX1UC, and AUX2UC are
set to high-impedance pull-up mode and do not pass data
to or from the smart card. Signals RDY and OFF are
disabled to prevent a low output and the internal pull-up
resistors are disconnected.
Interrupt signal to the processor. Active low, multi-function
indicating fault conditions and card presence. Open drain
output configuration. It includes an internal 20 kΩ pull-up to
VDD. The pull-up is disabled in PWRDN and CS=0 modes.
6 Rev. 1.3

6 Page









73S8009R pdf, datenblatt
73S8009R Data Sheet
DSw_w8w0.0D9atRaS_he0e5t46U.com
2.6 Voltage / Temperature Fault Detection Circuits
Table 7 lists the voltage / temperature fault detection circuits.
Table 7: Voltage / Temperature Fault Detection Circuits
Symbol
VPCF
VCCF
Parameter
VPC fault (VPC Voltage
Supervisor threshold)
RDY = 0
(VCC fault, VCC Voltage
Supervisor threshold)
TF Die over temperature fault
ICCF Card over current fault
Condition
VPC < VCC, a transient
event
VCC = 5 V
VCC = 3 V
VCC = 1.8 V
Min Typical Max
– VCC > VPC
+ 0.3
– – 4.6
– – 2.7
– – 1.65
115 – 145
110 – 150
Unit
V
V
°C
mA
12 Rev. 1.3

12 Page





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