Atmel STK520 User manual

STK520

..............................................................................................

User Guide

STK520 User Guide 3

7510A–AVR–08/05

Table of Contents

Section 1

Introduction............................................................................................1-2

Section 2

Using the STK520 Top Module.............................................................2-4

2.1 Connecting the STK520 to the STK500 Starter Kit ..................................2-4

2.1.1 Placing an AT90PWM3 on the STK520.............................................2-4

2.1.2 Placing an AT90PWM2 on the STK520.............................................2-5

2.2 Programming the AVR..............................................................................2-7

2.2.1 In-System Programming .................................................................... 2-7

2.2.2 High-voltage Programming................................................................2-8

2.3 JTAGICE mkII Connector.........................................................................2-9

2.4 STK520 Jumpers, Leds & Test Points....................................................2-11

2.5 DALI Interface.........................................................................................2-12

2.6 Potentiometer.........................................................................................2-13

Section 3

Troubleshooting Guide........................................................................3-14

Section 4

Technical Specifications......................................................................4-16

Section 5

Technical Support ...............................................................................5-17

Section 6

Complete Schematics .........................................................................6-20

Introduction

STK520 User Guide 1-2

7510A–AVR–08/05

Section 1

Introduction

The STK520 board is a top module designed to add AT90PWM family support to the

STK500 development board from Atmel Corporation.

The STK520 includes connectors and hardware allowing full utilization of the new fea-

tures of the AT90PWM, while the Zero Insertion Force (ZIF) socket allows easy to use of

SO24 & SO32 packages for prototyping.

This user guide acts as a general getting started guide as well as a complete technical

reference for advanced users.

Notice that in this guide, the word AVR is used to refer to the target component

(AT90PWM2, AT90PWM3...)

Figure 1-1. STK520 Top Module for STK500

Introduction

1-3 STK520 User Guide

7510A–AVR–08/05

1.1 Features STK520 is a New Member of the Successful STK500 Starter Kit Family.

Supports the AT90PWM2 & AT90PWM3.

DALI Hardware Interface.

Supported by AVR Studio®4.

Zero Insertion Force Socket for SO24 & SO32 Packages.

High Voltage Parallell Programming.

Serial Programming.

DALI Peripherals can be Disconnected from the Device.

6 Pin Connector for On-chip Debugging using JTAG MKII Emulator.

Potentiometer for the Demo Application.

Quick Reference to all Switches and Jumpers in the Silk-Screen of the PCB.

Using the STK520 Top Module

STK520 User Guide 2-4

7510A–AVR–08/05

Section 2

Using the STK520 Top Module

2.1 Connecting the

STK520 to the

STK500 Starter

Kit

Connect the STK520 to the STK500 expansion header 0 and 1. It is important that the

top module is connected in the correct orientation as shown in Figure 2-1. The

EXPAND0 written on the STK520 top module should match the EXPAND0 written

beside the expansion header on the STK500 board.

Figure 2-1. Connecting STK520 to the STK500 Board

Note: Connecting the STK520 with wrong orientation may damage the board.

2.1.1 Placing an

AT90PWM3 on the

STK520

The STK520 contains both a ZIF socket for a SO32 package. Care should be taken so

that the device is mounted with the correct orientation. Figure 2-2 shows the location of

pin1 for the ZIF socket.

Using the STK520 Top Module

2-5 STK520 User Guide

7510A–AVR–08/05

Figure 2-2. Pin1 on ZIF Socket

Caution: Do not mount an AT90PWM3 on the STK520 at the same time as an AVR is

mounted on the STK500 board or at the same time as an AT90PWM2 is mounted on the

STK520 board. None of the devices might work as intended.

2.1.2 Placing an

AT90PWM2 on the

STK520

The STK520 contains both a ZIF socket for a SO24 package. Care should be taken so

that the device is mounted with the correct orientation. Figure 2-2 shows the location of

pin1 for the ZIF socket.

Figure 2-3. Pin1 on ZIF Socket

PIN1

Using the STK520 Top Module

STK520 User Guide 2-6

7510A–AVR–08/05

Caution: Do not mount an AT90PWM2 on the STK520 at the same time as an AVR is

mounted on the STK500 board or at the same time as an AT90PWM3 is mounted on the

STK520 board. None of the devices might work as intended.

Using the STK520 Top Module

2-7 STK520 User Guide

7510A–AVR–08/05

2.2 Programmingthe

AVR The AVR (AT90PWM2, AT90PWM3...) can be programmed using both SPI and High-

voltage Parallel Programming. This section will explain how to connect the programming

cables to successfully use one of these two modes. The AVR Studio STK500 software

is used in the same way as for other AVR parts

Note: The AT90PWM3 also support Self Programming, See AVR109 application note

for more information on this topic.

2.2.1 In-System

Programming Figure 2-4. In-System Programming

To program the AT90PWM3 using ISP Programming mode, connect the 6-wire cable

between the ISP6PIN connector on the STK500 board and the ISP connector on the

STK520 board as shown in Figure 2-4. The device can be programmed using the Serial

Programming mode in the AVR Studio4 STK500 software.

Note: See STK500 User Guide for information on how to use the STK500 front-end

software for ISP Programming.

Using the STK520 Top Module

STK520 User Guide 2-8

7510A–AVR–08/05

2.2.2 High-voltage

Programming Figure 2-5. High-voltage (Parallel) Programming

To program the AVR using High-voltage (Parallel) Programming, connect the PROGC-

TRL to PORTD and PROGDATA to PORTB on the STK500 as shown in Figure 2-5.

Make sure that the TOSC-switch is placed in the XTAL position.

As described in the STK500 User Guide (jumper settings), mount the BSEL2 jumper in

order to High-voltage Program the ATmega devices. This setting also applies to High-

voltage Programming of the AVR.

The device can now be programmed using the High-voltage Programming mode in AVR

Studio STK500 software.

Note: See the STK500 User Guide for information on how to use the STK500 front-

end software in High-voltage Programming mode.

Note: For the High-voltage Programming mode to function correctly, the target voltage

must be higher than 4.5V.

Using the STK520 Top Module

2-9 STK520 User Guide

7510A–AVR–08/05

2.3 JTAGICE mkII

Connector See the following document :

“JTAGICE mkII Quick Start Guide” which purpose is “Connecting to a target board with

the AVR JTAGICE mkII”.

This note explains which signals are required for ISP and which signals are required for

debugWIRE.

Figure 2-6 shows how to connect the JTAGICE mkII probe on the STK520 board.

Figure 2-6. Connecting JTAG ICE to the STK520

The ISP connector is used for the AT90PWM3 built-in debugWire interface. The pin out

of the connector is shown in Table 2-1 and is compliant with the pin out of the JTAG ICE

available from Atmel. Connecting a JTAG ICE to this connector allows On-chip Debug-

ging of the AT90PWM3.

More information about the JTAG ICE and On-chip Debugging can be found in the AVR

JTAG ICE User Guide, which is available at the Atmel web site, www.atmel.com.

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