The AT90USB162 is the easiest way to add USB functionality to your next device. Atmel provides free open-source HID (mouse, keyboard) and CDC (USB-to-RS232) code. This AVR-USB-STK board allows all the USB features of the AT90USB162 to be explored. The board has a USB connector, joystick, RS232, SD/MMC slot, headphone jack, ICSP connector, and extension headers. All AT90USB162 chips come from Atmel pre-programmed with a bootloader which allows code to be programmed inside the chip without any external programmer — just download the FLIP software from Atmel's web site and load your HEX code into the AT90USB162. To enter the bootloader mode, you should press and hold the HWB button, then press and release the RST button. If you prefer to use an ISP programmer, note that only a mkII programmer will support the AT90USB162. In addition, the AT90USB162 supports only debugWire — not JTAG — so to debug it you should have a JTAGICE-mk2 or an AVR-DRAGON. AT90USB162 Development Board Features - AT90USB162 microcontroller with 16KB Flash, 512B RAM, 512B EEPROM
- ICSP 2×5-pin connector for in-circuit programming with an AVR JTAG mkII or AVR-ISP-MKII programmer
(not generally needed as the board comes with USB bootloader) - debugWire can be performed using three wires from JTAGICE-mk2 or AVR-DRAGON connected to VCC, GND and RST
 - USB 2.0 Full-speed connector
- RS232 driver and connector
- SD/MMC card slot
- Audio out 3.5 mm jack connector
- Extension connector with AVR port signals
- Status LED
- Joystick
- User button HWB (can be used to enter bootloader mode after reset)
- Reset button RST
- Takes power from USB; no need for external adapter
- External power supply and voltage regulator in case USB can't provide enough power
- Quartz crystal oscilator circuit, 8 MHz
- Extension pin headers for each uC pin
- Four mounting holes 3.3 mm (0.13")
- Grid 100 mils
- GND bus
- Vcc bus
- FR-4, 1.5 mm (0.062"), soldermask, white silkscreen component print
- Dimensions: 100 × 80 mm (3.9 × 3.15")
AT90USB162 Development Board Resources
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