Atmel AT89STK-06 CAN Manuale di installazione

AT89STK-06 Demo Board

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

Hardware User Guide

AT89STK-06 Demo Board User Guide 1

4339B–CAN–11/04

Section 1

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

1.1 Features....................................................................................................1-1

Section 2

Hardware Description ...........................................................................2-3

2.1 Block Diagram...........................................................................................2-3

2.2 Power Supply............................................................................................2-3

2.3 RESET......................................................................................................2-4

2.4 Serial Interfaces........................................................................................2-5

2.5 Board Settings ..........................................................................................2-7

Section 3

Device Programming ..........................................................................3-11

3.1 In-System Programming .........................................................................3-11

Section 4

Appendix A: Board Layout..................................................................4-13

Appendix B: Bill of Materials...............................................................4-14

Appendix C: Board Schematics..........................................................4-15

Appendix D: Default Configuration .....................................................4-19

Appendix E: References/Acronyms....................................................4-20

4.1 References..............................................................................................4-20

4.2 Acronyms................................................................................................4-20

AT89STK-06 Demo Board User Guide 1-1

Rev. 4339B–CAN–11/04

Section 1

Introduction

This document describes the board included in the AT89STK-06 Starter Kit dedicated to

the T89C51CC01/CC02 and AT89C51CC03 CAN microcontrollers (for T89C51CC02

optionnal adaptor is required). This board is designed to allow an easy evaluation of the

product using demonstration software.

The AT89STK-06 Starter Kit can be used with the AT89C51AC3, TR89C51AC2, and

T89C5115 Flash Microcontrollers with ADC (for T89C5115 optional adapter is required).

1.1 Features •CAN

– On board CAN transceiver Atmel ATA6660

– D-sub Connector Compliant to the CiA (User Group: "CAN in Automation")

Recommendation for the CAN High Speed Bus

•Two Different Sockets to Support AT89C51CC03 and AT89C51AC3 in PLCC52 and all

controllers in PLCC44 Packages

•Support of the T89C51CC02 & T89C5115 Microcontroller Requires the use of a PLCC28

Adapter (CANADAPT28).

•The Board Comes with a AT89C51CC03-UA (PLCC44 package) and a AT89C51CC03-CA

(PLCC52 package) Samples(1).

•Analog-to-Digital Converter

– Potentiometer

– Thermal Resistor

– On board ADC Reference Voltage

•On-board Reset, INT0, INT1, LEDs, EA, ISP and Programming Interface

•Power, ALE, RS232 Rx and Tx LEDs

•CAN, SPI and RS232 Hardware Connectors

•On-board Voltage Regulator

•Voltage Operation: 6V to 15V

•Operating Temperature Range: 0 to +70°C

•Dimension: 80 mm x 100 mm

Notes: 1. Samples for AT89C51AC3, T89C51CC01, T89C51AC2, T89C51CC02, and

T89C5115 can be ordered separately

Introduction

1-2 AT89STK-06 Demo Board User Guide

4339B–CAN–11/04

Figure 1-1. AT89STK-06 board

AT89STK-06 Demo Board User Guide 2-3

Rev. 4339B–CAN–11/04

Section 2

Hardware Description

2.1 Block Diagram Figure 2-1 shows a functional block diagram of the AT89STK-06 board, with the I/O

usage.

Figure 2-1. Block Diagram of AT89STK-06 board

2.2 Power Supply The on-board power supply circuitry allows various power supply configurations.

2.2.1 Power Supply Sources

The power supply source can come from two different and exclusive sources:

either from J4, JACK PWR connector

either from J5, 9V (Battery connector)

J4 - JACK PWR connector: – Need of a male JACK outlet

– Input supply from 6 up to 15V DC

CAN Network

CAN

Power SupplySensor LED

FLIP, Host, Batch ISP

Human

Reset,

ISP,

INT0,

Human

External

Power

Potentiometer

t°C Generic

Connector

Board

Generic Board (optionnal)

UART

INT1

Applicable MCU

Hardware Description

2-4 AT89STK-06 Demo Board User Guide

4339B–CAN–11/04

– No specific polarization mandatory

Note: There is a diode voltage level between the negative output of the power supply

and the “GND”. This could introduce some gap of voltage during measurement

and instrumentation.

Figure 2-2 . Male JACK Outlet and Wires

Caution: Do not mount more than one power supply source on AT89STK-06 board.

J5 - 9V Battery connector: – Need of a female 2 points connector

– Input supply from 6 up to 10V DC (example: 9V battery)

– Polarization mandatory

Figure 2-3 . EXT PWR Female Connector / Cable for 9V Battery

Caution: Do not mount more than one power supply source on AT89STK-06 Starter Kit.

2.3 RESET Although the AT89C51CC03 & AT89C51AC3 microcontrollers have on-chip RESET

circuitry (c.f. microcontroller datasheet), the AT89STK-06 board provides to the

microcontroller a RESET signal witch can come from 2 different sources:

2.3.1 Power-on RESET The on-board RC network acts as power-on RESET.

2.3.2 RESET Push Button By pressing the RESET push button on the AT89STK-06 board, a warm RESET of the

microcontroller is performed.

Hardware Description

AT89STK-06 Demo Board User Guide 2-5

4339B–CAN–11/04

2.4 Serial Interfaces

2.4.1 RS-232C All CAN microcontrollers have one on-chip UART peripheral. Only the asynchronous

mode is supported by the AT89STK-06 board.

The AT89STK-06 board is supplied with a RS-232 driver/receiver. Only one female DB9

connector assumes the RS-232 connections. A full range of configuration can be set

with two Rx lines and two Tx lines.

Figure 2-4 . RS-232 DB9 Connections

Figure 2-5 . Typical PC Connection Lay-out

Figure 2-6. RS-232 DB9

RS-232 DB9 front view

pin 2

569 234 78

RS-TxD

pin 3 RS-RxD

pin 4

pin 6

pin 5 Gnd

pin 7 RS-CTS

pin 8 RS-RTS

AT89C51CC0x / RS-232 DB9 PC / DB9 serial port

Pin Nb

(COM1 or COMx)

Function Pin Nb Function

2TxD (AT89C51CC0x)

5Gnd

3RxD (PC)

TxD (PC)3RxD (AT89C51CC0x) 5Gnd

Green Rx LED Red Tx LED

“Auto_ISP”

Jumpers

Hardware Description

2-6 AT89STK-06 Demo Board User Guide

4339B–CAN–11/04

2.4.2 CAN The microcontroller is a microcontroller with an on-chip full-CAN controller.

The AT89STK-06 board is supplied with an Atmel CAN transceiver (ATA6660). A

female DB9 connector assumes the CAN bus connections.

Figure 2-7 . CAN DB9 Connections

If a network termination is needed, JP3 switch inserts a 120Ωresistor between CAN-H

and CAN-L.

A red LED indicates a TxCAN traffic, a green one indicates a RxCAN traffic.

Figure 2-8 . CAN LEDs

2.4.3 SPI The AT89C51CC03 in PLCC52 is a microcontroller with an on-chip full duplex SPI

interface, master or slave.

A 6-pin male connector assumes the SPI bus connections. The SPI 6-pin connector also

provides to the user Vcc and Gnd.

Figure 2-9 . SPI 6-pin Connections

CAN DB9 front view

pin 2

196 432 87

CAN-L

pin 7 CAN-H

pin 3 Gnd

pin 5 CAN-SHLD

pin 6 Gnd

(Can be set to Gnd)

Red Rx LED Green Tx LED

Can Res Jump

(Here Open)

SPI Connector front view

pin 1

MOSI

pin 2 SS

pin 3

Gnd

pin 5

pin 4

156234

pin 6

Vcc

MISO

SCK

Hardware Description

AT89STK-06 Demo Board User Guide 2-7

4339B–CAN–11/04

2.5 Board Settings The AT89STK-06 board has two types of settings:

Jumpers

Solder strap

Test points

Table 2-1, Table 2-2 and Table 2-3 provide an overview of the available settings and

test points.

2.5.1 Jumpers

Figure 2-10. Jumper Setting Definition

Table 2-1. Default Jumper Setting

Reference PCB Name Comments (guidelines) Default

JP1 EA ON : allows external execution

OFF: Internal code execution Open (OFF)

JP2 MUTE ON : Enable C51 generic extension board (optionnal) buzzer

OFF: Disable C51 generic extension board (optionnal) buzzer Open (OFF)

JP3 CANRes ON : Enable CAN terminator resistor

OFF: Disable CAN terminator resistor Open (OFF)

JP4 RTS ON : Enable RTS line to control ISP mode (for AutoISP mode)

OFF: Disable RTS line to control ISP mode Open (OFF)

JP5 DTR ON : Enable DTR line to drive MCU reset (for AutoISP mode)

OFF: Disable DTR line to drive MCU reset Open (OFF)

JP6 Batt ON : Enable Battery charge

OFF: Disable Battery charge Open (OFF)

strap

jumper header

Ex: 1-2 OFFON or

Hardware Description

2-8 AT89STK-06 Demo Board User Guide

4339B–CAN–11/04

2.5.2 Solder straps Solder straps allow to modify the board configuration for specific usage such as

T89C51CC02 compatibility.

Figure 2-11. Solder Strap definition

2.5.2.1 T89C51CC02/T89C5115

Support (SP1) When using T89C51CC02 or T89C5115 products with the AT89STK-06 board ( see

¨PLCC adapter for T89C51CC02 user guide: CANADAPT28), the SP1 solder pad

should be closed to ensure correct hardware conditions setting on P1.0 port.

SP1 solder pad connects ISP push button to P1.0 microcontroller port and the

CANADAPT28 adapter should be inseted in U2 (PLCC44) socket.

Figure 2-12. AT89STK-06 Board with CANADAPT28

Table 2-2. Table of Solder Strap

Reference PCB Name Comments (guidelines) Default

SP1 CC02 & C5115

mode For T89C51CC02 usage, allows to redirect the ISP signal to P1.0, for

hardware conditions. Open

SP2 X2_44 Connect PLCC44 Xtal2 to XTAL2 of the generic extension board (optionnal) Open

SP3 X2_52 Connect PLCC52 Xtal2 to XTAL2 of the generic extension board (optionnal) Open

Solder gout

Solder Pad

“Open” “Close”

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