User's Manual

User Manual
Version 01.01
2011-12-22
Radio modules deRFarm7
dresden elektronik
ingenieurtechnik gmbh
Enno-Heidebroek-Str. 12
01237 Dresden / Germany
Tel.: +49 351 – 31 85 00
Fax: +49 351 – 3 18 50 10
[e-mail]
www.dresden-elektronik.de
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The 2.4 GHz radio modules deRFarm7-25A00 / 25C00 offer the following features:
 compact size: 30 x 22.7 mm (for 25A00) and 30 x 20.4 mm (for 25C00)
 pluggable: 2 male connectors, 23 pins per row, 1.27mm pitch
 solderable: 23 pads per row, 1.27mm pitch
 RF shielding
 usable signals: power supply, peripheral, programming, debugging, tracing, ADC,
GPIO, USB, Ethernet MAC
 application interfaces: 1 x UART, 1 x TWI, 1x USB, 1 x Eth-MAC
 Debug/Programming interfaces: 1 x SPI, 1 x JTAG
 Onboard chip-antenna and transceiver for 2.4 GHz
 Certification: FCC pending
 Compliant: CE, ETSI
AT91SAM7X512
JTAG
Chip
antenna
DBGU
3.0...3.6V
AT86RF231
SPI
VCC
UART USB ETH TWI
Figure 3: block diagram deRFarm7-25A00 / 25C00
The radio modules deRFarm7-25A02 / 25C02 offer the same features like the
deRFarm7-25A00 / 25C00 except the onboard 2.4 GHz chip antenna is replaced by an U.FL
coaxial receptacle for connecting an external antenna.
AT91SAM7X512
JTAG
Coaxial
Connector
DBGU
3.0...3.6V
AT86RF231
SPI
VCC
UART USB ETH TWI
Figure 4: block diagram deRFarm7-25A02 / 25C02