Microchip Technology ATAVRSMD

Overview

ATAVRSMD from Atmel is an SMD emulator adapter kit designed to interface the ICE200 in-circuit emulator with surface-mount AVR microcontrollers, supporting 44-pin TQFP, 8- and 20-pin SOIC, and 44-pin PLCC packages, enabling real-time emulation of legacy AVR devices including AT90S8515 and ATtiny12 in development environments.

For engineers reviewing the ATAVRSMD datasheet, ATAVRSMD pinout, ATAVRSMD application, or ATAVRSMD equivalent, this kit serves as a hardware bridge between the ICE200 emulator and SMD-target PCBs-critical for debugging AVR-based embedded firmware without soldering or socket modification.

Technical Context

The ATAVRSMD comprises two adapter types: personality adapters (device-specific signal mapping) and target adapters (PCB interface), each physically keyed to prevent misalignment. It provides passive signal routing only-no level-shifting, buffering, or voltage regulation-and relies on ICE200 for clock generation, trace capture, and JTAG/ISP protocol handling.

Supported devices span multiple AVR families (ATtiny, AT90S) across 8-, 20-, and 44-pin variants, with adapter selection determined by package type and pin count-not by core architecture or memory size-ensuring mechanical and electrical compatibility at the socket-to-PCB interface layer.

Key Specifications

Availability

ATAVRSMD is available at Aetrix Electronics and suitable for AVR microcontroller firmware development, legacy embedded system debug, and educational lab environments requiring stable component supply for ICE200-based emulation workflows.

Supply support for ATAVRSMD includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Atmel Corporation was a U.S.-based semiconductor company specializing in microcontrollers, nonvolatile memory, and programmable logic, acquired by Microchip Technology in 2016.

The ATAVRSMD belongs to Atmel's legacy AVR development tool ecosystem, designed specifically to extend ICE200 emulator capability to surface-mount AVR microcontrollers during the early 2000s design cycle.

FAQ

Does ATAVRSMD work with modern debuggers like Atmel-ICE or MPLAB Snap?

No. ATAVRSMD is mechanically and electrically designed exclusively for the ICE200 emulator. It lacks the signaling, voltage translation, and protocol stack required for Atmel-ICE, MPLAB Snap, or any debugger introduced after 2005. Using it with newer tools may cause connection failure or damage due to incompatible pin assignments and logic levels.

Can ATAVRSMD emulate ATmega or ATxmega devices?

No. ATAVRSMD supports only the listed legacy AVR devices: ATtiny11/12, AT90S1200/2313/4414/8515/4434/8535. It does not support ATmega or ATxmega families-those require different personality mapping, voltage domains, and debug interfaces not implemented in the ATAVRSMD hardware.

What is the function of the "personality adapter" in ATAVRSMD?

The personality adapter in ATAVRSMD defines signal routing and pin mapping between the ICE200 and a specific target AVR device. Each adapter is hardwired for one device family (e.g., AT90S8515), translating ICE200's generic emulation signals into the exact pin-level timing and control sequence required by that microcontroller's debug interface.

Is ATAVRSMD RoHS-compliant?

No. ATAVRSMD was released in 2001, prior to RoHS Directive 2002/95/EC implementation. Its PCBs and connectors contain leaded solder and non-RoHS-compliant materials. It is not suitable for new designs targeting EU market compliance without full requalification and material substitution.

How many target adapters are included with ATAVRSMD?

The ATAVRSMD kit includes two sets of four target adapters (eight total): two 44-pin TQFP, two 8-pin SOIC, two 20-pin SOIC, and two 44-pin PLCC adapters. Each set mates with a corresponding personality adapter to form a complete emulation interface for a specific package type.