Atmel AT89STK-09 User manual
AT89STK-09 Starter Kit for AT83C26
..............................................................................................
User Guide
AT89STK-09 User Guide 1
7521B–SCR–10/05
Section 1
Introduction...........................................................................................1-2
1.1 Acronyms..................................................................................................1-2
1.2 Features....................................................................................................1-2
Section 2
Hardware ..............................................................................................2-6
2.1 Power Supply............................................................................................2-6
2.2 Jumper Configuration................................................................................2-6
2.3 Host Microcontroller Connection...............................................................2-6
2.4 Test points ................................................................................................2-9
Section 3
Quick Start..........................................................................................3-12
3.1 Smart cards Insertion..............................................................................3-12
3.2 Layout .....................................................................................................3-13
Section 4
Schematics & Bill Of Material .............................................................4-14
4.1 Bill Of Material.........................................................................................4-18
AT89STK-09 User Guide 1-2
7521B–SCR–10/05
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 Acronyms • TWI : Inter Integrated Circuit
• SCIB: Smart Card Interface Bus
• LDO : Low Drop Output (Regulator)
1.2 Features 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.
Introduction
1-3 AT89STK-09 User Guide
7521B–SCR–10/05
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
Power
Supply
DC 5V
Smart Card
AT89STK09 board
Connection
TWI master
Host Microcontroller board
SCIB signals
Internal
with wires
Pull ups
AT89STK-09 User Guide 2-4
7521B–SCR–10/05
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 microcontrol-
ler. 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.
The complete SC2 configuration (Smart Card including CC4 & CC8) is done by SW1
solder pad.
2.3 Host
Microcontroller
Connection
The host microcontroller must provide the signals:
• 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.
•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
Hardware
2-5 AT89STK-09 User Guide
7521B–SCR–10/05
• IO1, IO2, AUX1 and AUX2 are connected to the host smart card interface signals
depending on the configuration chosen. (Refer to the datasheet AT83C26)
2.3.1 CPRES0 & 1
External Pullups 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
Table 2-1. U1 Description
# Name Color #1 Name Color
1 CCLK Brown 11 AUX1 Brown
2INT 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
Hardware
AT89STK-09 User Guide 2-6
7521B–SCR–10/05
Figure 2-1. AT89STK09 board J2
J2
J1
J3, J4, J5, J6
Hardware
2-7 AT89STK-09 User Guide
7521B–SCR–10/05
2.4 Test Points
Caution : Active probe use is recommended to measure all smart card interfaces signals
CVCC1
CVCC2 CVCC3 CVCC4 CVCC5
SIgnal
DC/DCB
AT89STK-09 User Guide 3-8
7521B–SCR–10/05
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
J1
J2
Quick Start
3-9 AT89STK-09 User Guide
7521B–SCR–10/05
3.2 Layout The board layout has been optimized in order to reduce the noise, overshoot & under-
shoot on the smart card interface signals. The board is used to pass EMV certification
Figure 3-2. Component & Solder Sides
Component Side Solder Side
Table of contents
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