Atmel ATAVRAUTO102 Manual de usuario
ATAVRAUTO102 Kit
..............................................................................................
User Guide
Table of Contents
1 ATAVRAUTO102 User Guide
7720A–AVR–06/07
Section 1
Introduction ........................................................................................... 1-1
1.1 Overview ...................................................................................................1-1
Section 2
Getting Started...................................................................................... 2-3
2.1 Unpacking the system...............................................................................2-3
2.2 System Requirements...............................................................................2-3
Section 3
Using the ATAVRAUTO102.................................................................. 3-5
3.1 Using the ATAVRAUTO102 board............................................................3-5
3.2 Updating the ATAVRAUTO102 firmware..................................................3-5
3.3 Using X-Analyser ......................................................................................3-8
Section 4
Technical specification........................................................................ 4-11
Section 5
Technical support ............................................................................... 5-12
Section 6
Complete schematics ......................................................................... 6-13
ATAVRAUTO102 User Guide 1-1
7720A–AVR–06/07
Section 1
Introduction
Congratulations on your purchase of the ATAVRAUTO102 starter kit. This document
describes the board included in the ATAVRAUTO102 starter kit dedicated to
AT90CAN128 and AT90USB1287.
1.1 Overview
This document describes the ATAVRAUTO102 dedicated to AT90CAN128 and
AT90USB1287 AVR microcontrollers. This board is designed to allow an easy evalua-
tion of the products using demonstration software.
This board is not a development platform but a tool designed to give designers a quick
start to analyze LIN and/or CAN networks in order to evaluate Atmel LIN and CAN
solutions.
Figure 1-1. ATAVRAUTO102
ATAVRAUTO102 User Guide 1-2
7720A–AVR–06/07
1.2 ATAVRAUTO102
features
The ATAVRAUTO102 provides the following features:
AT90CAN128 and AT90USB1287 QFN64
AVR programming tools interface(1),
Power supply
– Regulated 5V
– From LIN and/or USB connector
JTAG connector:
– For on-chip In Situ Programming (ISP)
– For on-chip debugging using JTAG ICE
Serial interfaces:
– 2 LIN interface 1.3 and 2.0 compliant (Software library available on the Atmel
website for LIN 1.3)
– 1 CAN interface
On-board resources:
– 1 LIN transceiver with internal regulator + watchdog (ATA6621)
– 1 LIN transceiver (ATA6661)
– 1 CAN transceiver (ATA6660)
– 8 Mbytes of DataFlash
System clock:
– Internal RC oscillator
– 16Mhz external quartz connected to the AT90CAN128
– Clock output from the AT90CAN128 connected to the clock input of the
AT90USB1287.
Dimension: 92 mm x 45 mm
Notes: 1. AT90CAN128 and AT90USB1287 are supported by AVR Studio, version
4.12 or higher. For up-to-date information on this and other AVR tool prod-
ucts, please consult our web site. The newest version of AVR Studio, AVR
tools and this user guide can be found in the AVR section of the Atmel web
site, http://www.atmel.com.
ATAVRAUTO102 User Guide 2-3
7720A–AVR–06/07
Section 2
Getting Started
2.1 Unpacking the system
Kit contents:
1 ATAVRAUTO102 board V1.0
1 ATAVRAUTO900 board V1.0
1 USB Mini-B to A cable
1 Getting Started
1 Automotive CD-Rom
1 AVR CD-Rom software and technical library
1 Dear customer letter
2.2 System Requirements
The ATAVRAUTO102 board is used as a tool to analyze car networks (up to two LIN net-
works and one CAN network). The minimum hardware and software PC requirements
are:
Windows
®
2000/XP, Windows NT4.0 or higher
Note: No drivers are needed.
2-4 ATAVRAUTO102 User Guide
7720A–AVR–06/07
2.3 Quick Start
The ATAVRAUTO102 board can be used to analyze up to one CAN and two LIN net-
works. Connect networks (LIN and/or CAN) and plug USB cable.
Figure 2-1. Board connections and default jumpers settings
Note: At least one “VBat” should be connected to have the LIN interfaces working.
The default configuration allows to use the board with LIN and CAN.
Note: For more details on ATAVRAUTO102 options, please refer to “Using
ATAVRAUTO102” chapter of the user guide.
Table 2-1. Main Jumpers function
Jumper Description
D_WD Set to disable the LIN transceiver watch dog (default REMOVED).
MAST Set to use the master mode of LIN0 (default SET).
MISO Set to enable the SPI comm between both microcontrollers (default
SET).
MOSI
TERM1
Set to enable the CAN termination resistors (default REMOVED)..
TERM2
NISP_U Set to enable the reset signal from the LIN transceiver to the
AT90CAN128 (_C) or/and the aT90USB1287 (_U) microcontrollers
(default SET)
NISP_C
NRES_U Set to reset the AT90CAN128 (_C) or the AT90USB1287 (_U) microcon-
troller (default REMOVED).
NRES_C
BOOT_U
Reserved for future use (default REMOVED).
BOOT_U
VBat
LIN0
GND
VBat
LIN1
GND
CANH
USB
CANL
ATAVRAUTO102 User Guide 3-5
7720A–AVR–06/07
Section 3
Using the ATAVRAUTO102
3.1 Using the ATAVRAUTO102 board
The ATAVRAUTO102 can be used as a spy on a network or can act as a single Slave or
Master node.
LIN0 can be sniffer/slave or master.
LIN1 can be sniffer or slave.
CAN can be sniffer or master.
Steps to follow:
Connect your board to your PC using the USB cable.
Link all networks you want to work with.
If LIN0 is a master node, set the jumper MAST.
Run “X-Analyser”.
3.2 Updating the ATAVRAUTO102 firmware
For the future firmware revision, the ATAVRAUTO900 will be used to update
AT90CAN128 and AT90USB1287 microcontrollers.
Note: When programming, NISP_C and NISP_U jumpers have to be removed.
The AT90CAN128 and the AT90USB1287 can be programmed using specific SPI links.
This sub section will explain how to connect the programmer.
The FLASH, EEPROM memory (and all Fuse and Lock Bit Option ISP-programmable)
can be programmed individually or with the sequential automatic programming option.
3-6 ATAVRAUTO102 User Guide
7720A–AVR–06/07
3.2.1 Using the
ATAVRAUTO900
Adaptor
The AVR ISP is a compact and easy-to-use In-System Programming tool for developing
applications with AT90CAN128. Due to the small size, it is also an excellent tool for field
upgrades of existing applications. It is powered by the ATAVRAUTO102 and an addi-
tional power supply is thus not required. The AVR ISP programming interface is
integrated in AVR Studio®. An additional adaptor has to be used to program the board
using ISP or JTAG mode. The 10 pins connector is used for the JTAGICE mkII device
and the 6 pins connector is used for the AVRISP device. To plug the ATAVRAUTO900
connector to the board, the arrow (on the adaptor) has to be in front of the point (on the
board).
Figure 3-1. ATAVRAUTO900 Connection
Table 3-1. ICE Connector
PIN Function
1 TCK
2 GND
3 TDO
4 VCC
5 TMS
6 NRES
7 VCC
8 NC
9 TDI
10 GND
Table 3-2. ISP Connector
PIN Function
1 MISO
2 VCC
3 SCK
4 MOSI
5 NRES
6 GND
The arrow has to be in front of the point
AT90CAN128 Connection AT90USB1287 Connection
ATAVRAUTO102 User Guide 3-7
7720A–AVR–06/07
3.2.2 Programming with
AVR ISP via SPI
Both the Flash and EEPROM memory arrays can be programmed using the serial SPI
bus while RESET is pulled to GND. The serial interface consists of pins SCK, MOSI
(input) and MISO (output). After RESET is set low, the Programming Enable instruction
needs to be executed first before program/erase operations can be executed. Note that
throughout the description about Serial downloading, MOSI and MISO are used to
describe the serial data in and serial data out respectively. For AT90CAN128 these pins
are mapped to PDI (PE0) and PDO (PE1).
To program the device using AVR ISP programmer, connect the AVR ISP to the adaptor
(ATAVRAUTO900) and connect the adaptor to the connector of the ATAVRAUTO102.
Programming the ATAVRAUTO102 using ATAVRAUTO 900
3.2.3 Programming with
AVR JTAGICE mkII
The AT90CAN128 can be programmed using specific JTAG link: 3-wire debug-wire
interface. To use the AVR JTAGICE mkII with an ATAVRAUTO100 an optional adaptor
should be used. Then the JTAG probe can be connected to the ATAVRAUTO100 as
shown in the following figure.
JTAGICE mkII probe connection through JTAG interface.
ATAVRAUTO102 User Guide 3-9
7720A–AVR–06/07
3.3.1 Speed limitations • The limitation of the USB HID Class implies a limitation if the bit rate : the maximal
HID baudrate is 64 KByte/s, so 512 Kb/s. So, for a CAN Baudrate higher than
500Kb/s, a CAN load higher than 50% will imply the loss of CAN frames.
• The Windows Operating System also implies limitations for the application: If
ATAnalyser is the only running application, the O.S. allows the application to
received USB frames only every 10 ms. A buffer permits to save received USB
frames but for very high bitrates, there could be a loss of received USB frames.
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