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SBAT90USB162a Atmel® AT90USB162 Development Board

Price:12.95 €

One of today's most widely used MCUs offering native USB support is the Atmel® AT90USB162. It provides an easy way to add USB functionality to any new design along with hundreds of different projects that are available.

The SBAT90USB162a is an Atmel® AT90USB162 development board. This board is a cost-effective yet feature-rich, highly compatible, flexible and easily configurable development tool, designed to give quick start to develop code and for hardware prototyping and testing. It is a solution which is clean in design but still providing configurability and flexibility not available with other products. The board has all the basic circuitry needed to work with AT90USB162: USB connector and circuit, crystal, Reset and HWB buttons, power LED, power source/voltage configuration circuitry, ISP header.

The board offers flexible power configurable via jumpers: both 3.3 V and 5 V USB-powered or supplied from external supply.

Board design makes it compatible with other similar development boards featuring same or similar MCUs and virtually all design/development software and libraries/projects.

The MCU comes pre-programmed with a bootloader allowing code to be programmed without any external programmer – simply by using the FLIP software from Atmel. To enter the bootloader mode, the RST button should be pressed and hold, then the HWB button pressed and the RST button released.

An ISP programmer still can be used via dedicated ISP header as well as debugger like JTAGICE via same header.


  • Flexible power – 3.3 V or 5 V from USB bus or external 3.0 V or 5.5 V;

  • All MCU I/O pins are accessible;

  • 100 mil extension headers for connection to universal or breadboards, or direct interfacing with other devices, providing access to all I/O pins and virtually all signals;

  • Mini USB connector – USB 2.0 full speed (12 Mbps) Device mode supported;

  • Dedicated headers for USB signals: D-, D+, VBUS;

  • Built-in 0.9..16 MHz crystal (default 8 MHz);

  • Internal or external clock;

  • Optional transient voltage suppression for USB data lines;

  • Reset (RST) button;

  • Hardware boot (HWB) button – allows bootloader (stock Atmel® or third-party) execution at reset (see SBAT90USB162a User's Manual and AT90USB162 datasheet) – allows MCU programming via USB without external programmer. I/O pin is still useable for other purposes;

  • ISP (6-pin) connector supporting in-circuit programming and debugging via debugWIRE;

  • MCU fuses at default state.


As all MCU I/O pins are accessible and all MCU powering and clocking options are available the SBAT90USB162a is compatible with virtually every project and development tool designed for AT90USB162 and AVR MCUs.


Earlier version of this board was known as SBAT90USB162 and SBAT90UBS82162.




Flash memory

16 kBytes (10,000 write cycles)

Max. clock frequency

8 MHz at 2.7 V, 16 MHz at 4.5 V


512 Bytes (static)


512 Bytes (100,000 write cycles)


USB 2.0 full speed (12 Mbps) Device mode


176 Bytes

I/O lines



1 8-bit, 1 16-bit

PWM channels




SPI port



Via USB and hardware-initiated bootloader or ISP connector


Via debugWIRE interface (ISP connector)

Operating voltage

2.7 V to 5.5 V

Operating temperature

Industrial -40°C to +85°C

Board dimensions

38 x 38 x 14 mm (1.5 x 1.5 x 0.5 in) FR-4 1.5 mm


8.25 g


User's Manual

Schematic diagram

Board dimensions and layout