FEATURES:
MCU: LPC2138 16/32 bit ARM7TDMI-S™ with 512K Bytes Program Flash, 32K Bytes RAM, RTC, 8x 10 bit ADC 2.44 uS, 2x UARTs, I2C, SPI, 2x 32bit TIMERS, 8x CCR, 6x PWM, WDT, 5V tolerant I/O, up to 60MHz operation
JTAG connector as per ARM's 2x10 pin layout, ARM-JTAG (Wiggler) compatible
14.7456 Mhz crystal on socket, allow easy communication setup (4x PLL = 58,9824 Mhz CPU clock)
RS232 interface circuit with SUB-D 9 pin connector
LCD16x2 display
five buttons
Dallas iButton port
Frequency input
Relay with 10A/250VAC contacts
Buzzer
Status LED
RESET circuit
RESET button
Bootloader enable jumper and pullup
DEBUG jumper for JTAG enable/disable
RTCK pullup resistors
Power plug-in jack
power supply: 6VAC/+9VDC
three on board voltage regulators 1.8V, 3.3V and 5V
power supply filtering capacitor
Four mounting holes
PCB: FR-4, 1.5 mm (0,062"), green soldermask, white silkscreen component print
Dimensions: 120x38 mm (4.75x1.5")

DOCUMENTS:
LPC-MT-2138.pdf
LPC-MT-2138.chm

HARDWARE:
Schematic
ARM JTAG connector (TOP view)

SOFTWARE:
LCD drive code
RTC code
RS232 code
Button, Relay, LED, buzzer demo code

ORDERING CODES:
LPC-MT-2138 assembled and tested board, includes LPC2138 microcontroller