Jumper Description - OLIMEX LPC-P1227 User Manual

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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