M-501 System-On-Module
Linux-ready ARM9 180MHz Embedded SoM
The M-501 is a credit card size ARM9-based SoM (System-on-Module). It includes an ATEML AT91RM9200 ARM9 CPU, 64MB SDRAM and 16MB Flash. The operation system, Linux kernel 2.6.x with file system support, is pre-built in the M-501.
M-501 Hardware Black Diagram M-501 Hardware Black Diagram
Features ATMEL AT91RM9200 CPU, 200MIPS @180MHz, with MMU. 64MB SDRAM, 16MB NOR FLASH memory One 10/100 Mbps Ethernet interface with on-board PHY and transformer Two USB 2.0 Host ports, supports full speed (12 Mbps) One SD (secure digital) interface, supports SD mode. Four 921.6kbps UARTs supports hardware flow control I2C (Inter-IC) bus I2S (Inter-IC Sound) bus, one transmitter and one receiver SPI (Serial Peripheral Interface) with 2x chip select signals 32x general-purpose IOs (GPIO), CMOS/3.3V compatible External local bus (A0-A7, D0-D7), with 4x chip select signals Small footprint, 80x50mm only Ultra low power consumption, less than 2.5W Linux 2.6.x OS is pre-built in the FLASH, supports file system GNU C/C++ tool chain is included
Specification
Hardware Specifications
CPU/Memory
CPU
ATMEL 180MHz AT91RM9200 (ARM9, w/MMU)
Memory
64MB SDRAM, 16MB Flash
Network Interface
Type
Ethernet, 10/100 Mbps
PHY
DAVCOM DM9161
Isolation
1.5 KV
USB
Host
x2, USB 2.0 compliant
Signals
UdataA+, UdataA-,UdataB+,UdataB-
UART
Port0
TXD0, RXD0, RTS0, CTS0, GND
Port1
TXD1, RXD1, RTS1, CTS1, DCD1, DTR1, DSR1,GND
Port2
TXD2, RXD2, RTS2, CTS2,GND
Port3
TXD3, RXD3, RTS3, CTS3,GND
Signal Level
CMOS/3.3V compatible
Common UART Parameters
Baud Rate
Up to 921.6 Kbps
Data Bits
5 to 8 bits
Parity
None, Even, Odd, Mark, Space
Stop
1, 1.5, 2 bits
Flow Control
RTS/CTS, XON/XOFF, None
UART Port 0 advanced feature,
(when Port0 used as RS-485)
Supports 9-bit Multi-drop mode
Supports hardware auto direction control
I2C (Inter-IC Bus)
Signals
TWD, TWDK
Supported devices
(driver has been built-in)
Real-time Clock: Ricoh RS5C372 EEPROM: ATMEL AT24C16 and compatibles
I2S (Inter-IC Sound)
Transmitter
TSCK, TWS, TSD
Receiver
RSCK, RWS, RSD
SPI (Serial Peripheral Interface)
Signals
MISO, MOSI, SPCK, CS1, CS2
SD (Secure Digital Card Interface)
Signals
MCCDA, MCCK, MCDA0~MCDA3
Compatible with SD memory card Specification 1.0
Watchdog timer
CPU built-in internal watchdog timer, used by Linux kernel
General-Purpose IOs (GPIO)
32 GPIOs, can be programmed as digital input or output
Support interrupt function when GPIO set as digital input
Signal Level
CMOS/3.3V Compatible
Pre-defined Pins
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
Undefined Digital IO Pins (reserved)
CN1
pin#23, #24, #25, #26
CN3
pin#23, #24
Debug ports
JTAG port
for low level debug
Console port
Tx/Rx serial console (share RTS2, CTS2)
Local Bus
Data bus
8-bit (D0~D7)
Address bus
8-bit (A0~A7)
Chip select
x4 (NCS3~NCS6)
Control bus
RD, WR
Signal Level
CMOS/3.3V Compatible
Power Consumption
Input range
3.0 to 3.6VDC (3.3V nominal)
Consumption
2W
Mechanism
Board dimension
50 x80mm
Mounting holes
x4, 2.0mm(M2) diameter
CN1: 28 pins; CN2: 50 pins; CN3: 50 pins
Connectors (2.0mm pitch)
Software Specification
General
OS
Linux kernel 2.6.X
Boot Loader
U-Boot 1.1.2
File systems
JFFS2, EXT2/EXT3, VFAT/FAT, NFS
Protocol Stacks
support IPV4, ICMP, ARP, DHCP, NTP, TCP, UDP, FTP, Telnet, HTTP, PPP, PPPoE, CHAP, PAP, SMTP, SNMP V1/V3,SSL, SSH 1/2
Pre-load Utilities
Bash
Shell Command
Telnet
Telnet client program
Busybox
Linux utility collection
FTP
FTP client program
Pre-load Daemons
pppd
Dial In/out over serial port and PPPoE
snmpd
SNMP agent program
telnetd
Telnet server program
inetd
TCP server program
ftpd
FTP server program
boa
Web server program
sshd
secured shell server
iptables
Firewall service manager
armd
Artila manager daemon
Tool Chain for Linux/Windows
GCC
C/C++ PC cross compiler
GLIBC
POSIX Library
To use the tool chain for Windows, users have to install Cygwin first, and Invoke the cross-compiler in the Cygwin console. Cygwin package 1.5.19-x is already included in the CD.
Standard Device Drivers
SD/MMC, UART, Ethernet, GPIO, Buzzer
Real Time Clock
supports Ricoh RS5C372
EEPROM
supports ATMEL AT24C16 and compatibles
Pre-load USB Host Drivers (could be customized)
Flash thumb disk
IEEE-802.11b/g WiFi adapter (Ralink)
10/100Mbps Fast Ethernet adapter (RT8150)
RS-232 adapter (prolific)
ADSL modem
ISDN modem (CDC/ACM compatible)
M-501-16 Starter Kit
