Microchip ATA6570 Handleiding

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ATAB657XA Development Board User's Guide

Introduction

The development board ATAB657XA is a hardware platform to evaluate the new ATA657X CAN device

family and it enables users to rapidly prototype and test new CAN designs with the ATA657X ICs.

The ATA657X device family includes three high-speed controller area network (CAN) transceivers, which

interface a CAN protocol controller and the physical two-wire CAN bus designed for high-speed CAN

applications (up to 5 Mbit/s) in the automotive environment. Two of them also support partial networking.

All offer improved electromagnetic compatibility (EMC) and electrostatic discharge (ESD) performance

and very low-power consumption in Standby and Sleep modes:

•Besides local wake-up via WAKE and remote wake-up pattern in accordance with ISO 11898-5, the

ATA6570 is fully compliant to the ISO 11898-6 supporting CAN partial networking. The ATA6570

additionally supports a CAN-FD device and can be easily configured via the SPI as Non-FD

(meaning classical CAN 2.0), CAN FD silent, CAN FD passive or as CAN FD active device, in order

to fulfill the corresponding application requirements. The VIO pin allows the automatic adjustment

of the I/O levels to the I/O level of the connected microcontroller.

•The ATA6571 has ideal passive behavior to the CAN bus when the supply voltage is off.

Microcontrollers with supply voltages from 3V to 5V can be directly interfaced via the VIO pin. Its

advanced low-power management with local and remote wake-up support makes it possible to

achieve very low current consumption in Standby and Sleep mode, even when the internal VIO and

VCC supplies are switched off. Diagnostic and protection functions, including bus line short-circuit

detection and battery connection detection, are also part of the ATA6571's features.

© 2018 Microchip Technology Inc. User GuideDS50002672B-page 1

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