LPC-P1227 Olimex Ltd., LPC-P1227 Datasheet - Page 18

• Manufacturer Part Number: LPC-P1227
• Description: Development Boards & Kits - ARM PROTOTYPE BRD NXP LPC1227
• Manufacturer: Olimex Ltd.

Specifications of LPC-P1227

• Rohs: yes
• Product: Development Boards
• Tool Is For Evaluation Of: LPC1227
• Core: ARM Cortex M0
• Interface Type: I2C, SPI, UART
• Operating Supply Voltage: 5 V, 9 V
• Dimensions: 80 mm x 50 mm

OLIMEX© 2012
LPC-P1227 User's Manual
6.7 Jumper description
Note that the jumper configuration is also printed on the back of the board.
ISP_E
This jumper controlls the possibility of the ISP mode via UART0 (RS232) supported by the
processor. It should be moved together with RST_E.
Default state is open.
RST_E
When closed together with ISP_E enables ISP programming via UART0
Default state is open.
CLK_ALT/CLK_DEF and DIO_ALT/DIO_DEF
These jumpers should be moved together and control whether SWD-1 or SWD-2 interface is used
for programming. When in position ALT – SWD-2 will be used.
Default positions are CLK_DEF and DIO_DEF.
MCU_E
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