Features
- 採用 ATMEL 400MHz AT91SAM9G20 CPU，內建記憶體管理單元(MMU)
- 支援 Linux kernel 2.6.29，內建檔案系統
- 內建記憶體 64MB SDRAM 及內含 256MB NAND 快閃記憶體
- 1 組 10/100Mbps 乙太網路介面
- 2 組 USB 2.0 hosts 介面，支援 12Mbps 全速傳輸
- 1 組 SD (secure digital) 卡介面
- 4 組 921.6Kbps UARTs 串列埠，具備硬體流控功能
- 32 組 GPIOs，可相容 CMOS / 3.3V 訊號
- 輕巧尺寸： 50 x 80mm
- 超低功耗，耗電量低於 2.5 瓦
- 內建 GNU C / C++ 編譯工具鏈
H/W Specifications
- CPU: ATMEL 400MHz AT91SAM9G20 w/ MMU
- Memory: 64MB SDRAM, 256MB NAND Flash
- DataFlash®: 2MB, for system backup
- Type: 1 x 10/100Mbps Ethernet
- PHY: DAVICOM DM9161
- Protection: 1.5KV magnetic isolation
- Port 0: TXD0, RXD0, RTS0, CTS0, GND
- Port 1: TXD1, RXD1, RTS1, CTS1, DCD1, DTR1, DSR1, GND
- Port 2: TXD2, RXD2, RTS2, CTS2, GND
- Port 3: TXD3, RXD3, RTS3, CTS3, GND
- Signal Level: CMOS / 3.3V compatible
- Baud Rate: Up to 921.6Kbps
- Parity: None, Even, Odd, Mark, Space
- Data Bits: 5, 6, 7, 8
- Stop Bits: 1, 1.5, 2
- Flow Control: RTS / CTS, XON / XOFF, None
- Supports 9-bit Multi-drop mode
- Supports hardware auto direction control
- Host Ports: 2, USB 2.0 compliant
- Host Signals: UdataA+, UdataA-, UdataB+, UdataB-
- Device (Client): 1, USB 2.0 compliant
- Device (Client) Signals: Uddata+, Uddata-, Udio
- Signals: TWD, TWCK
- Supported Devices: Driver has been built-in
- Transmitter Signals: TSCK, TWS, TSD
- Receiver Signals: RSCK, RWS, RSD
- Signals: MISO, MOSI, SPCK, CS1, CS2
- Signals: MCCDA, MCCK, MCDA0~MCDA3
- Compatible with SD memory card specification 1.0
- CPU built-in internal watchdog timer, used by Linux kernel
- Additional watchdog timer is available for users’ applications
- 32 x GPIOs can be programmed as digital input or output
- Signal Level: CMOS / 3.3V compatible
- Reset Button (CN2, pin#35), input
- Buzzer (CN2, pin#37), output
- 2-pin DIP SW (CN2, pin#12, #13), input
- System ready LED (CN2, pin#38), output
- LAN activity LED (CN3, pin#11), output
- Chip: ST M41T81
- Backup Battery: Lithium, 48mAh
- JTAG Port: for low level debug
- Console Port: RS-232 (Tx / Rx) serial console
- Data Bus: 8-bit (D0~D7)
- Address Bus: 8-bit (A0~A7)
- Chip Select: x 3 (CS0, CS5, CS6)
- Control Bus: RD, WR
- Signal Level: CMOS / 3.3V compatible
- Power Input: +3.3VDC (Typical)
- Power Consumption: 2W
- Board Dimensions (W x L): 80 x 50mm
- 2.0mm Pitch Connectors
- CN1: 28 pins; CN2: 50 pins; CN3: 50 pins
- Mounting Holes: x 4, 2.0mm (M2) in diameter
- Operating Temperature: 0~70°C (32~158°F)
S/W Specifications
- OS: Linux, kernel 2.6.29
- Boot Loader: U-Boot
- File Systems: UBI, JFFS2, ETX2 / ETX3, VFAT / FAT, NFS
- bash, busybox, sysvinit, wget, ipkg, procps (for webmin), psmics, lighttpd, vsftpd, iptables, ppp, ssh, wireless_tools, util-linux-mount / umount, usbutils, Artila utility
- ssh (secured shell) with sftp
- syslog / klogd (system and kernel log)
- telnet server (disable root permission in /etc/securetty)
- ftp server (vsftp)
- web server (lighttpd)
- amgrd (Artila broadcast search daemon)
- Supports ipkg to manage the package installation, upgrade and removal
- Supports webmin (use ‘ipkg install webmin’ to install) for web-based system administration
- GCC: C / C++ PC cross compiler
- GLIBC: POSIX Library
- Real Time Clock, SD / MMC, UART, Ethernet, GPIO, Buzzer
- EEPROM: Supports ATMEL AT24C16 and its compatibles
- Generic Flash drive
- IEEE-802.11 WiFi adapter
- 10/100Mbps Fast Ethernet adapter
- RS-232 adapter
- ADSL modem
- ISDN modem (CDC / ACM compatible)
Ordering Information
- ATMEL9G20 + Linux 2.6.29 System on Module with 256MB NAND Flash, 64MB SDRAM
- Includes one M-502 SoM and one carrier board with power circuitry, 3 x RS-232 ports, 1 x RS-232 / 422 / 485 port, 1 x Ethernet port, 2 x USB hosts, 1 x SD socket (at rear side), 2 x GPIO connectors, Real Time Clock, EEPROM, and local bus connector