MCB2103 EINT1 problem anyone ?

Jan 15, 2006 1 Replies

First reply

Sagaert Johan

Problem found the PINSEL0 register GPIO0.14 bitpair for the LPC2101,2,3 should be set to 01 where for the LPC2104,5,6 it should be 10 !!!!!! So MCB2103 users beware ! 2 leds on the MCB2103 connected to GPIO 0.17 and 0.18 wont work unless you connect 2 pullup resitors on these…

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Hi ;



when i configure PINSEL0 to use port 0.14 as externel INT1 the pin goes low why ?



johan


Problem found

the PINSEL0 register GPIO0.14 bitpair for the LPC2101,2,3 should be set to

01 where for the LPC2104,5,6 it should be 10 !!!!!!

So MCB2103 users beware !

2 leds on the MCB2103 connected to GPIO 0.17 and 0.18 wont work unless you connect 2 pullup resitors on these outputs . (both outputs are OPEN DRAIN !!)

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