ATMEL AT89STK-09

AT89STK-09 Starter Kit for AT83C26
..............................................................................................
User Guide
Section 1
Introduction ........................................................................................... 1-2
1.1
1.2
Acronyms ..................................................................................................1-2
Features ....................................................................................................1-2
Section 2
Hardware .............................................................................................. 2-6
2.1
2.2
2.3
2.4
Power Supply ............................................................................................2-6
Jumper Configuration................................................................................2-6
Host Microcontroller Connection ...............................................................2-6
Test points ................................................................................................2-9
Section 3
Quick Start .......................................................................................... 3-12
3.1
3.2
Smart cards Insertion ..............................................................................3-12
Layout .....................................................................................................3-13
Section 4
Schematics & Bill Of Material ............................................................. 4-14
4.1
AT89STK-09 User Guide
Bill Of Material.........................................................................................4-18
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Section 1
Introduction
This document helps the user to get started with the AT89STK09 starter kit.
The AT89STK09 is a starter kit for the AT83C26 device. The AT83C26 is a smart card
reader interface with 2 DC/DC converters allowing to manage up to 5 smart cards
including level shifters. This device needs TWI commands to configure its registers. This
device requires a host microcontroller (Smart Card Reader Microcontrollers, ARMs, ...)
with one or two ISO7816 Smart Card Interfaces.
Refer to the AT83C26 datasheet for further product information.
1.1
1.2
Acronyms
Features
•
TWI : Inter Integrated Circuit
•
SCIB: Smart Card Interface Bus
•
LDO : Low Drop Output (Regulator)
The AT89STK-09 Board provides the following features:
•
AT89STK09 board with 2 ISO7816-3 connectors and 4 SIM/SAM connectors
•
2 Gemplus GemClub Smart cards
•
One 20 multicolor wires cable with HE10 connector
•
Smart Card Reader IC CDROM (from may 2005)
•
2 VQFP48 & 2 QFN48 samples
•
AT89STK09 user guide document
The AT89STK09 board allows a large number of hardware configurations.
AT89STK-09 User Guide
1-2
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Introduction
Figure 1-1. AT89STK09 board
Figure 1-1 describes a possible hardware configuration with:
„ Same power supply voltage for AT89STK09 board and host microcontroller board
„ TWI master signals from a host microcontroller board
„ SCIB signals connected to AT89STK09 board
„ Smart card clock from host microcontroller board
Figure 1-2. Configuration Description
Host Microcontroller board
Internal
Pull ups
TWI master
SCIB signals
Connection
with wires
AT89STK09 board
Power
Supply
DC 5V
Smart Card
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AT89STK-09 User Guide
Section 2
Hardware
The AT89STK09 requires power supply, clock signal , smart card and TWI commands
to run. U1 connector is used to connect the AT83C26 host pins to the host microcontroller. The U1 connector pins are described on Table 2-1.
All passive components needed (inductors, capacitors) are soldered on board.
2.1
Power Supply
The host microcontroller signals voltage and the AT83C26 power supply are VCC. The
voltage range (VCC) is 3V to 5.5V, the maximum current consumption IVcc is about
250mA when all DC/DC convertors and LDO are activated. (Conditions : Vcc = 3V
60mA DC/DCa, 70mA DC/DCb).
2.2
Jumper
Configuration
The AT83C26 board has one jumper in order to set complete SC2 configuration.
Host
Microcontroller
Connection
The host microcontroller must provide the signals:
2.3
The complete SC2 configuration (Smart Card including CC4 & CC8) is done by SW1
solder pad.
•
VCC, VSS : Power supply signals - 3 - 5.5V @ 250mA
•
EVCC can be used when the Vcc host and Vcc are different. Generally the EVCC is
connected to VCC.
•
BYPASS is used to activate the low power consumption when connected to the host
microcontroller (high level must be supplied) - Generally the BYPASS is connected
to the ground.
•
A2, A1 : TWI address - Generally A2 = 0 and A1 = 0 during Reset
•
SDA, SCL : TWI signals to transmit/receive commands/status
Caution : TWI pull-ups have to be on the host microcontroller board
•
CLK signal is connected to host clock signal
Caution : The logic inverter (HC04 or other) is recommended if source clock is supplied
by output crystal oscillator buffer.
AT89STK-09 User Guide
•
INT (Interrupt) : This signal must be connected to host interrupt input
•
CRST signal is connected to RST host microcontroller signal
•
CCLK signal is connected to the host smart card interface signal
2-4
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Hardware
•
IO1, IO2, AUX1 and AUX2 are connected to the host smart card interface signals
depending on the configuration chosen. (Refer to the datasheet AT83C26)
Table 2-1. U1 Description
2.3.1
CPRES0 & 1
External Pullups
2-5
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#
Name
Color
#1
Name
Color
1
CCLK
Brown
11
AUX1
Brown
2
INT
Red
12
Not Connected
Red
3
CRST
Orange
13
IO2
Orange
4
Not Connected
Yellow
14
BY PASS
Yellow
5
VSS
Green
15
IO1
Green
6
CLK
Blue
16
VSS
Blue
7
VSS
Velvet
17
SCL
Velvet
8
Not Connected
Grey
18
VCC
Grey
9
AUX2
Blank
19
SDA
Blank
10
RESET
Black
20
EVCC
Black
R1(component side), R2 (solder side) can be added if internal CPRES0, CPRES1 pull
up are not activated. R1, R2 recommended values are between 27KOhms to 1MOhms.
By default, resistors value is 180KOhms
AT89STK-09 User Guide
Hardware
Figure 2-1. AT89STK09 board
J2
J1
J2
J3, J4, J5, J6
AT89STK-09 User Guide
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Hardware
2.4
Test Points
CVCC1
CVCC2
CVCC3
CVCC4
CVCC5
Caution : Active probe use is recommended to measure all smart card interfaces signals
SIgnal
DC/DCB
2-7
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AT89STK-09 User Guide
Section 3
Quick Start
3.1
Smart cards
Insertion
Be carreful with the direction of the smart cards in the connector.
Figure 3-1. Smart Card Direction
J1
J2
AT89STK-09 User Guide
J2
J1
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Quick Start
3.2
Layout
The board layout has been optimized in order to reduce the noise, overshoot & undershoot on the smart card interface signals. The board is used to pass EMV certification
level 1. Gerber file is available on demand at cardreader@atmel.com
Figure 3-2. Component & Solder Sides
Component Side
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Solder Side
AT89STK-09 User Guide
Schematics & Bill Of Material
Section 4
Schematics & Bill Of Material
AT89STK-09 User Guide
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Schematics & Bill Of Material
4-11
7521B–SCR–10/05
AT89STK-09 User Guide
Schematics & Bill Of Material
AT89STK-09 User Guide
4-12
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Schematics & Bill Of Material
4-13
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AT89STK-09 User Guide
Schematics & Bill Of Material
4.1
Bill Of Material
AT89STK-09 User Guide
Reference
Part
Description
C1,C2,C3,C4,C5,C6,
C7, C8, C9, C10,
C22, C23, C24, C25,
C26, C27
33 pF
50V-5% Ceramic
Capacitor
C11,C13, C15
100 nF
50V-5% Ceramic
C14
10µF
C20,C21
2.2 µF
C17,C18,C19
470 nF
C16
4.7 µF
C12
10 µF
16V +/-20%
R1,R2
180 KOhms
1/16W-5%
L1,L2
10 µH
10% Inductance
300 mA SMD
U2
AT83C26
VQFP48
Manufacturer Ref
16V-10%-Ceramic
MURATA
LQH32CN100K21L or
LQH32CN100K11L or
LQH32CN100K01L
4-14
7521B–SCR–10/05
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/xM
7521B–SCR–10/05