|
Processor |
NXP's ARM7TDMI LPC2148 microcontroller |
|
Program Flash |
512 KB |
|
Data Memory |
32+8 KB |
|
Clock Crystals |
• 12.0000 MHz crystal for maximum execution speed
(5x PLL = 60 MHz CPU clock)
• 32 KHz RTC crystal |
|
On-board Peripherals |
• 2x16 character LCD with background light
• Joystick switch
• UART-to-serial bridge interface on UART #0
• XBee™ module interface (module not included)
• USB 2.0 device interface (on LPC2148)
• RGB-LED, each color can be controlled via PWM signal
• 8 LEDs
• Pushbutton on P0.14
• 8x8 LED matrix, controlled via shift registers in the SPI bus
• Speaker on analog output (P0.25)
• MMC/SD memory card interface
• Step motor control
• Temperature sensor (LM75)
• 2 Analog inputs
• Low-pass filtering of PWM signal
• 1 Analog output
• Reset button |
|
Dimensions |
156 x 110 mm |
|
Power |
On-board low-dropout voltage and reset generation
• Generates +3.3V (and +5V supply if external 9-15VDC power supply)
• +3.3V available for external circuits, up to 300 mA
• Power supply: 9-15 VDC, from 2.1 mm power connector, or directly from USB connectors. |
|
Connectors |
• mini-B USB, USB-to-serial bridge interface
• mini-B USB, LPC2148 device interface
• MMC/SD memory card connector
• JTAG
• 50 pin expansion connector
• 2.1 mm power supply connector |
|
Other |
• 2 Kbit I2C E2PROM for storing non-volatile parameters
• Simple and automatic program download (ISP) via USB-serial channel. Circuit that automatically controls the bootloader from USB-serial channel
• Four layer PCB (FR-4 material) for best noise immunity
• Delivered with 50 pos flat cable for explansion connector |
The 50 pos expansion connector can be used for own experiments. The following signals are available on the expansion connector:
• P0.0 - P0.23, P0.25, P0.28-P0.31
• P1.16 - P1.25
• Reset
• Vref
• Vbat
• Power; VCC (+3.3V), GND, and Vin (+5V)
The Experiment Expansion Board can be bought separately for more interesting and useful experiments. For details about the board, see the Experiment Expansion Board page.
