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Atmel integrates MCU, LIN SBC in one package

Posted: 15 Feb 2007     Print Version  Bookmark and Share

Keywords:Atmel  ATA6602  ATA6603  multi-chip modules 

Atmel Corp. has announced the availability of the ATA6602 and ATA6603 multi-chip modules, extending the company's current broad IC family for LIN applications. These devices are designed for automotive actuator applications typically found in comfort electronics as well as in powertrain applications.

Using a multi-chip-module approach, these two ICs combine an MCU (8bit AVR) and a LIN system basis chip (LIN SBC) in a single package (SiP, system-in-package) without internal connections. As a result, the ATA6602/ATA6603 ICs offer the highest integration level including microcontroller, voltage regulator, LIN transceiver and watchdog in one package covering the complete basic functionality of a LIN node. These products achieve minimum space requirements, shorter time-to-market due to the simpler system design and lower sourcing, logistics, and assembly cost.

The ATA6602 integrates the automotive-qualified ATmega88 AVR Flash MCU with 8KB of Flash memory, whereas the ATA6603 incorporates the automotive-qualified ATmega168 with a Flash memory of 16KB.

The LIN SBCs within the ATA6602 and ATA6603 modules incorporate the LIN transceiver, an advanced voltage regulator and a watchdog timer. They are manufactured using Atmel's own high-voltage BCDMOS process for operation in harsh environments. Thanks to its silent mode, the LIN SBC provides very low power consumption (40µA with activated voltage regulator). In addition, the LIN SBC provides high immunity against ESD and EMC, various protection functions, and a unique, broad input/output voltage range (-40V to 60V) for the LIN bus pin which is ideal for use in truck applications.

Since the ATA6602 and ATA6603 incorporate AVR microcontrollers with all pins bonded out, Atmel's standard AVR tools can be used during the development phase. This includes, for example, the AVR Studio which is the professional integrated development environment (IDE) for writing and debugging AVR applications. AVR Studio includes an assembler, as well as a simulator, and supports the integration of the freeware GCC compiler. For on-chip debugging, the AVR JTAGICE mkII can be used. It is a powerful development and debug tool supporting the debugWIRE Interface, which enables the designers to debug the ATA6602 and ATA6603 on-chip, using only a single wire for the debug interface. A LIN protocol handler is also available. In addition, a LIN software library for GCC and IAR C compiler are available for free.

Samples of the ATA6602/ATA6603 in QFN48 (7-by-7mm) packages are available now. Pricing starts at Rs.84.75 ($1.87) (ATA6602) for 10k pieces and Rs.90.19 ($1.99) (ATA6603) for 10,000 pieces.

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