ATAVRDISPLAYX Atmel, ATAVRDISPLAYX Datasheet - Page 3

• Manufacturer Part Number: ATAVRDISPLAYX
• Description: KIT EVAL XMEGA DISPLAY
• Manufacturer: Atmel

Specifications of ATAVRDISPLAYX

• Main Purpose: *
• Embedded: *
• Utilized Ic / Part: *
• Primary Attributes: *
• Secondary Attributes: *
• Silicon Manufacturer: Atmel
• Silicon Family Name: ATxmega
• Kit Contents: Board
• Features: Temperature Sensor, Mono Speaker Via Audio Amplifier
• Svhc: No SVHC (15-Dec-2010)
• Core Architecture: AVR
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.2 Power supply
3.3 Measuring the XMEGA power consumption
3.4 Programming the XMEGA through the USB gateway
3.5 Communication through UART-to-USB gateway
4 Connectors
4.1 Programming headers
8203D-AVR-04/10
The preprogrammed AT90USB1287 firmware offers features such as a bootloader for
self-programming and a UART-to-USB gateway.
The kit is powered from USB which leaves two options to power it: Either connects
the kit to a PC through an USB cable, or to a 5V USB power supply (AC/DC adapter).
As part of an evaluation of the ATxmega128A1 it can be of interest to measure its
power consumption. The R105 resistor (0 Ohm) is the only connection point between
the XMEGA power plane (the V_XM net) and common 3.3V supply of the board (the
V3P3 net). By replacing the R105 shunt resistor with a higher value resistor it is
possible to determine the current consumption of the ATxmega128A1.
Programming of the ATxmega128A1 through the USB is not supported in the
preliminary release.
The XMEGA’s UARTC0 is connected to a software UART on the AT90USB1287. The
AT90USB1287 UART is communicating at 9600 baud, using one start bit, eight data
bits, one stop bit and no parity.
When the AT90USB1287 device is enumerated (connected to a PC) the data
transmitted from the XMEGA is passed on to a (virtual) COM port. This means that it
is possible to use a terminal program to receive the transmitted data on a PC.
Similarly data transmitted from the PC COM port is passed on to the XMEGA UART
through the gateway.
If the USB device is not enumerated, e.g. powering the kit from an USB supply
adapter, the AT90USB1287 device’s UART will operate in loop back mode (echo
back everything it receives).
The Xplain kit has four 10-pin 100mill headers. Two are used for programming the
ATxmega128A1 and AT90USB1287, and two are to access spare analog and digital
pins on the XMEGA (expansion headers).
The XMEGA can be programmed and debugged by connecting an external
programming/debugging tool to the “JTAG & PDI XMEGA” pin header (J100). The pin
header is having a standard JTAG programmer pinout (refer to online help in AVR
Studio
directly to the header. If it is desired to use PDI programming/debugging an adapter
must be used.
®
), and tools like the JTAGICE mkII or the AVR ONE! can thus be connected
AVR1907
3