Contents

• xDevs.com M16 – AVR ATmega development mini-module
• xDevs.com A64 – ARM AT91SAM7S development mini-module
• xDevs.com AM2 – ALTERA MAX II development module

Intro

This article is covering legacy mini-modules for development and prototyping, developed by xDevs.com back in 2008. There are no modules left in stock, and no new production batches planned. Purpose of this article is to support existing modules and customers who have them.

xDevs.com M16 – AVR ATmega development mini-module

Modules xDevs.com M16 targeted for prototyping and device testing. It is designed around DIP-40 size, and accepts ATMEL AVR mega16 or mega32 8-bit microcontrollers.

Specifications of xDevs M16

• Footprint for RISC-microcontroller ATMEL AVR mega16 or mega32 in TQFP package
• Fully compatible with DIP40 package pinout of ATmega16/32
• SPI-connector for programming and ISP
• Programmable UART, with access via USB VCP bridge SiLabs CP2103
• Onboard crystal oscillator with 16MHz frequency
• Nominal voltage 4.5-5.5 VDC, idle current consumption 1.1mADC
• Power and user LED (attached to PA0 port)
• Dimensions 55 × 17 × 20 mm
• Rated operation temperatures – from 0°С to +85°С

Datasheet for xDevs.com M16

Rev.1. xDevs.com M16 P-CAD 2006 PCB source layout file

Rev.2. xDevs.com M16 P-CAD 2006 PCB source layout file

xDevs.com M16 schematics in P-CAD 2006 SCH format

Schematics of the module:

Revision 1

Revision 2

This revision is same schematics, just few minor tweaks on layout and white solder mask color.

xDevs.com A64 – ARM AT91SAM7S development mini-module

Modules xDevs.com A64 targeted for prototyping and device testing using ATMEL ARM7TDMI controllers. It is designed around DIP-40 size, and accepts ATMEL AT91SAM7S64, AT91SAM7S128 and AT91SAM7S256 32-bit ARM7 microcontrollers.

Specifications of xDevs A64

• Footprint for RISC-microcontroller ATMEL AT91SAM7S* TQFP package
• Compatible with DIP40 package pinout of ATmega16/32
• JTAG-connector for programming and debug, pin pitch 2.00mm
• Direct USB interface to ARM7 MCU
• Onboard crystal oscillator with 12MHz frequency
• Nominal voltage 3.3 VDC, idle current consumption 2.7mADC
• Power and user LEDs
• Dimensions 65 × 17 × 20 mm
• Rated operation temperatures – from 0°С to +85°С

xDevs.com A64 – Schematics in P-CAD 2006 format

xDevs.com A64 – Layout file in P-CAD 2006 format

Test with IAR ATMEL HID example for AT91:

xDevs.com AM2 – ALTERA MAX II development module

Similar module for ALTERA CPLD was designed, but with much larger footprint to make good use of all available I/O pins flexibility, present in programmable logic devices.

Specifications of xDevs AM2.

• Footprint for ALTERA MAX II series CPLD in TQFP100 package (EPM240T100 and EPM570T100)
• JTAG-connector for ISP programming, standard ALTERA USB Blaster compatible
• Onboard oscillator, clock frequency 25.000 MHz
• Nominal voltage 3.3 VDC
• Four user LEDs
• Rated operation temperatures – from 0°С to +85°С

xDevs.com AM2 – Schematics in P-CAD 2006 format

xDevs.com AM2 – Layout file in P-CAD 2006 format

Projects like this are born from passion and a desire to share how things work. Education is the foundation of a healthy society - especially important in today's volatile world. xDevs began as a personal project notepad in Kherson, Ukraine back in 2008 and has grown with support of passionate readers just like you. There are no (and never will be) any ads, sponsors or shareholders behind xDevs.com, just a commitment to inspire and help learning. If you are in a position to help others like us, please consider supporting xDevs.com’s home-country Ukraine in its defense of freedom to speak, freedom to live in peace and freedom to choose their way. You can use official site to support Ukraine – United24 or Help99. Every cent counts.