ATA6623-EK Atmel, ATA6623-EK Datasheet

BOARD DEMO LIN SBC FOR ATA6623

ATA6623-EK

Manufacturer Part Number
ATA6623-EK
Description
BOARD DEMO LIN SBC FOR ATA6623
Manufacturer
Atmel
Datasheets
1.ATA6623C-TAPY.pdf (23 pages)
2.ATA6623-EK.pdf (6 pages)

Specifications of ATA6623-EK

Main Purpose
Interface, LIN
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
ATA6623
Primary Attributes
LIN-SBC (System-Basis-Chip) Transceiver, LIN 2.0, Voltage Regulator
Secondary Attributes
4 Power Modes: Pre-Normal, Normal, Sleep, Silent, 8-SOIC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
1. Introduction
The development board for the Atmel
ATA6625-EK) is designed to give designers a quick start with these ICs and for the
prototyping and testing of new LIN designs.
The Atmel ATA6620 and the Atmel ATA6625 are fully integrated LIN transceivers
including a low-drop voltage regulator providing 5V/85mA. The only difference
between the two parts is the improved EMC behavior of the Atmel ATA6625. The
Atmel ATA6623 is pin and function compatible with the Atmel ATA6620/25, but on the
Atmel ATA6623 the voltage at the regulator’s output is 3.3V instead of 5V. The combi-
nation of LIN transceiver and voltage regulator makes it possible to develop simple,
powerful, and cheap slave nodes in LIN bus systems.
The ICs are designed to handle the low-speed data communication in vehicles, for
example in convenience electronics. Improved slope control at the LIN-driver ensures
secure data communication up to 20Kbaud.
Besides normal mode there are two other modes, sleep mode and silent mode, which
give the designer the opportunity to create modules which meet the different require-
ments of the application with respect to low current consumption.
This document has been developed to give the user a quick start using the develop-
ment board for the Atmel ATA6620/23/25. For more detailed information about the
devices themselves, refer to the corresponding datasheets.
Figure 1-1.
Atmel ATA6620/23/25 Development Board
®
ATA6620/23/25 (ATA6620-EK, ATA6623-EK,
Atmel ATA6620
Atmel ATA6620N
Atmel ATA6623
Atmel ATA6623C
Atmel ATA6625
Atmel ATA6625C
Development
Board
Application Note
4969B–AUTO–03/11

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ATA6623-EK Summary of contents

Page 1

... This document has been developed to give the user a quick start using the develop- ment board for the Atmel ATA6620/23/25. For more detailed information about the devices themselves, refer to the corresponding datasheets. Figure 1-1. Atmel ATA6620/23/25 Development Board ® ATA6620/23/25 (ATA6620-EK, ATA6623-EK, Atmel ATA6620 Atmel ATA6620N Atmel ATA6623 Atmel ATA6623C Atmel ATA6625 ...

Page 2

... The voltage regulator is protected against overloads by means of current limitation and over- temperature shut-down. In addition, the output voltage is monitored and will cause a reset signal at pin NRES if it drops below the under-voltage threshold. Atmel ATA6620/23/25 2 ® Quick Start ATA6620 ATA6623 VCC VCC 5V 3.3V Normal mode 5V 3.3V ...

Page 3

... In the Atmel ATA6623 and Atmel ATA6625, the Reset output is an open-drain output imple- mented using a single MOS transistor which is switched on in the case of a VCC undervoltage. In order to pull up the output of the Atmel ATA6623/25, an external resistor connected to VCC is necessary. Space for this resistor (R2) is available on the development board . ...

Page 4

... ATA6623/ GND 3 ATA6625 LIN and R1 are only necessary for a master node only needed for Atmel ATA6623 and Atmel ATA6625. Board Component Placement; Top Side, Top View ATA6620/23/25 ATA6620-EK C1 ATA6623-EK 22µF/50V ATA6625-EK Revision 2.0 / 2.1 VCC + C5 R2 10µF VCC 10k 8 NRES 7 NRES ...

Page 5

... ATA6620/23/25 Development Board; Top Side, Top View ® Atmel ATA6620/23/25 Development Board; Bottom Side, Top View (as if PCB Were Transparent) History Section 1 “Introduction” on page 1 changed Section 3 “Schematic and Layout of the Development Board for the Atmel ATA6620/23/25 on pages changed Atmel ATA6620/23/25 5 ...

Page 6

... Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellec- tual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN THE ATMEL TERMS AND CONDITIONS OF SALES LOCATED ON THE ATMEL WEBSITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICU- LAR PURPOSE, OR NON-INFRINGEMENT ...

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