The FOX Board G20 is a "ready-to-run" Embedded Linux System perfect to use as a mini web server, network device or as a core module for your own embedded devices. A fully Open Source environment is available to customize and build your own kernel image or to develop user applications using standard GNU tools. The Fox Board G20 features a Atmel AT91SAM9G20 ARM9 CPU with 8MB of serial DataFlash, 64MB of SDRAM and up to 8GB of microSD Flash (microSD card not included). The FOX Board G20 includes: - Netus G20, Atmel AT91SAM9G20 ARM9 CPU module
- Netus PS1 regulated power supply module (built in)
- CR1220 RTC battery not included
FOX Board G20 Embedded Linux System Features FOX Board G20 is a Single Board Computer built around the Atmel AT91SAM9G20 ARM9 core based microcontroller running at 400MHz. Thousands of applications can be installed on the FOX Board G20 thanks to the ARM9 version of the most popular Linux distributions: Debian, Ubuntu, Gentoo, OpenWRT, OpenEmbedded and full support for a huge set of popular program languages like C, C++, Python, Perl, Java, PHP, Tcl, etc. Two 40-pin expansion sockets with 2.54mm pin spacing are available to connect the board to add-on boards. On these pins 3.3 Volt signals are available which can be used to implement RS232/RS485/RS422, I2C, SPI, GPIO, A/D and PWM interfaces.  - Designed around the Netus G20 ARM9 400MHz CPU module
- Two USB 2.0 host ports (12 Mbits per second)
- One Ethernet 10/100 port
- One USB device port (12 Mbits per second)
- One debug serial port (3.3v)
- Two serial ports (3.3v)
- One serial port for 4D Systems OLED displays
- On-board microSD socket (up to 8GB)
- DC power supply input (4V ... 5.5V stabilized DC voltage supply required)
- Real Time Clock with on-board lithium backup battery
- GPIO lines (3.3v)
- 4 A/D converter lines
- I2C
- SPI
- Quad power supply Netus PS1 module on-board. This module provides the different DC voltages required by the AT91SAM9G20 CPU
- Full mechanical compatibility with the FOXCASE enclosure.
- Fully compatible with FOXGM2 GSM Modem & GPS Module Carrier, PROTO-1 and PROTO-2 boards.
Note: The FOX Board G20 does not work without a microSD card that contains the rootFS. A microSD card with rootFS card is not included. It can be ordered as an optional add-on option at the bottom of this page. Downloads: Schematic FOX Board G20 pinouts J7 extension port  | Pin # | Pin name | Description | | J7.1 | GND | Signal ground | | J7.2 | GND | Signal ground | | J7.3 | PB18 | General purpose I/O | | J7.4 | PB19 | General purpose I/O | | J7.5 | PB16 | General purpose I/O | | J7.6 | PB17 | General purpose I/O | | J7.7 | PB2 | General purpose I/O | | J7.8 | PB3 | General purpose I/O | | J7.9 | PB0 | General purpose I/O | | J7.10 | PB1 | General purpose I/O | | J7.11 | PC14 | General purpose I/O (1.8V) | | J7.12 | PC15 | General purpose I/O (1.8V) | | J7.13 | PC12 | General purpose I/O (1.8V) | | J7.14 | PC13 | General purpose I/O (1.8V) | | J7.15 | PC9 | General purpose I/O (1.8V) | | J7.16 | PC10/CTS3 | Serial ttyS4 Clear to send line (1.8V) | | J7.17 | PC7 | Red led line (1.8V) | | J7.18 | PC8/RTS3 | Serial ttyS4 Request to send line (1.8V) | | J7.19 | PC5 | General purpose I/O (1.8V) | | J7.20 | PC6 | Reserved line. This line is used to read if the client USB port is wired to a PC | | J7.21 | PB9/RXD2 | Serial ttyS3 TXD line used with 4D system oLED | | J7.22 | PB8/TXD2 | Serial ttyS3 RXD line used with 4D system oLED | | J7.23 | BATT | RTC Battery input | | J7.24 | PGD | Power good NetusPS1 | | J7.25 | POK | 3.3V NetusPS1 aux output stable | | J7.26 | SHDNPS# | PS1 shutdown. Active low | | J7.27 | NRST | Reset output | | J7.28 | SHDN# | Turn off the CPU when low | | J7.29 | 5V | 5 volt power line | | J7.30 | WAKEUP | Wake up input | | J7.31 | PB23/DCD0 | Serial ttyS1 Data carrier detect line | | J7.32 | PB22/DSR0 | Serial ttyS1 Data set ready line | | J7.33 | PB25/RI0 | Serial ttyS1 Ring indicator | | J7.34 | PB24/DTR0 | Serial ttyS1 Data terminal ready indicator | | J7.35 | PA28 | General purpose I/O | | J7.36 | PA27 | General purpose I/O | | J7.37 | PA26 | General purpose I/O | | J7.38 | PA25 | General purpose I/O | | J7.39 | 3.3V | 3.3 volt DC power line | | J7.40 | 3.3V | 3.3 volt DC power line |
J6 extension port  | Pin # | Pin name | Description | | J6.1 | 3V3 | 3.3 volt DC power line | | J6.2 | 3V3 | 3.3 volt DC power line | | J6.3 | PB28/RTS1 | Serial ttyS2 Request to send line | | J6.4 | PB7/RXD1 | Serial ttyS2 RXD line | | J6.5 | PB6/TXD1 | Serial ttyS2 TXD line | | J6.6 | PB29/CTS1 | Serial ttyS2 Clear to send line | | J6.7 | PB26/RTS0 | Serial ttyS1 Request to send line | | J6.8 | PB5/RXD0 | Serial ttyS1 RXD line | | J6.9 | PB4/TXD0 | Serial ttyS1 TXD line | | J6.10 | PB27/CTS0 | Serial ttyS1 Clear to send line | | J6.11 | N.C. (See the schematic) | | J6.12 | +5V | 5 volt DC power live | | J6.13 | PB11/RXD3 | Serial ttyS4 RXD line | | J6.14 | PB10/TXD3 | Serial ttyS4 TXD line | | J6.15 | PB13/RXD5 | Serial ttyS6 RXD line | | J6.16 | PB12/TXD5 | Serial ttyS6 TXD line | | J6.17 | PB21 | General purpose I/O | | J6.18 | PB20 | General purpose I/O | | J6.19 | PB31 | General purpose I/O | | J6.20 | PB30 | General purpose I/O | | J6.21 | PA31/TXD4 | Serial ttyS5 TXD line | | J6.22 | PA30/RXD4 | Serial ttyS5 RXD line | | J6.23 | N.C. (See the schematic) | | J6.24 | PA6 | General purpose I/O | | J6.25 | PA7 | General purpose I/O | | J6.26 | PA9 | General purpose I/O | | J6.27 | PC3/AD3 | Analog input 3 | | J6.28 | PC2/AD2 | Analog input 2 | | J6.29 | PC1/AD1 | Analog input 1 | | J6.30 | PC0/AD0 | Analog input 0 | | J6.31 | PA24/TWCK | I2C Clock | | J6.32 | PA23/TWD | I2C Data | | J6.33 | AVDD | Clean 3.3V out for A/D circuitry | | J6.34 | VREF | A/D voltage reference input | | J6.35 | AGND | Analog ground | | J6.36 | PA10 | General purpose I/O | | J6.37 | PA22 | General purpose I/O | | J6.38 | PA11 | General purpose I/O | | J6.39 | GND | Ground signal | | J6.40 | GND | Ground signal |
 J10 - Debug port | Pin # | Pin name | Description | | J10.1 | 3V3 | 3.3 volt DC power line | | J10.2 | PA24/TWCK | I2C Clock | | J10.3 | PB15/DTXD | Serial TXD ttyS0 Debug port | | J10.4 | PB14/DRXD | Serial RXD ttyS0 Debug port | | J10.5 | PA23/TWD | I2C Data | | J10.6 | GND | Ground signal |
J16 - oLED port  | Pin # | Pin name | Description | | J16.1 | 5V | 5 volt power line | | J16.2 | PB9/RXD2 | Serial RXD line for 4D oLED TXD line (ttyS3) | | J16.3 | PB8/TXD2 | Serial TXD line for 4D oLED RXD line (ttyS3) | | J16.4 | GND | Ground signal | | J16.5 | Not connected | FOX Board LX832 vs FOX Board G20 
Comparison between the FOX Board LX (left) and the FOX Board G20 (right). | FOX Board LX832 | FOX Board G20 | | SDRAM | 32MByte @ 16bit 50MHz | 64MByte @ 32bit 133MHz 1) | | Dataflash | - | 8MByte | | Norflash | 8MByte | - | | microSD | - | Up to 8GB | | CPU | Axis ETRAX 100LX | Atmel AT91SAM9G20 | | CPU Clock | 100MHz internal | 400MHz internal | | Real-Time Clock | - | Yes | | RTC Backup battery | - | Yes | | USB Host ports | 2 x USB 1.1 | 2 x USB 2.0 (12Mb) | | USB Client port | - | Yes | | Debug port | Yes | Yes | | Power consumption | 220mA @ 5V | 60mA @ 5V | | AD channels | - | 4 x 10bit channels | | PWM channels | - | Yes | | I2C (TWI) | SW 2) | Yes 3) | | SPI | SW 2) | Yes 3) | | LCD | - | Connector for a 4D Systems oLED display | | CCTV interface | - | ITU-R BT. 601/656 | | JTAG interface | - | Yes | | UART | 2 | 6 | 1) Mobile SDRAM with low-power capabilities 2) Implemented by software 3) Implemented in hardware  Mobile-to-Mobile Application You can create a system with a GSM/GPRS modem by mounting the FOX Board G20 on the FOXGM2 M2M Carrier Board as shown on the right. See that page for details. Compatible Telit modems and an antenna are available from that page as well.
Optional Recommended Products for this Item
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| microSD 2GByte Flash Memory Card w Debian Linux | | + | US$3.00 | | USB 2.0 Cable, 6ft., A-Male / B-Male | | + | US$6.00 | | USB 2.0 Cable, 6ft. A-Male / Mini-USB (5-pin) B-Male | | + | US$6.00 | | Ethernet Cable, CAT5E 350MHz Unshielded, 7ft. | | + | US$3.60 | | Power Supply 3-12V DC, U.S. plug, 6 connection tips | | + | US$10.00 | | Power Supply 3-12V DC, US/UK/Euro/AU Plugs, 100-240VAC | | + | US$10.90 | | Fox Prototype Board, Through-Hole | | + | US$5.00 | | Prototype Board for FOXG20, 160x100 mm (Eurocard) | | + | US$5.00 | | Transparent Plastic Enclosure for FOX Board & FOXZB/FOXP254 | | + | US$5.00 | | 60-pin 0.8mm male/female connector set for Netus G20 | | + | US$1.00 | | TTL-to-USB converter for FOX / Terra / Arietta Debug Port | | + | US$10.00 | | 2x20 Pin Headers and Sockets, 6 ea., 2.54mm pitch, 6mm and 12mm | | + | US$5.00 |
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