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

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

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

level 1. Gerber file is available on demand at cardread[email protected]

Figure 3-2. Component & Solder Sides

Component Side Solder Side

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