Posted on May 17, 2011 at 15:11We have a customiszed bootloader from 0x8000 ~ 0x807f, the main code is from 0x8080, and we don't use interrupt vector. So we have to put a 'trampoline' instruction @ 8080. Seems 'org' doesn't have the same effect lik...

Posted on May 17, 2011 at 15:08Thanks, Mozra. I am not using the I2C pin to drive 74AC164M now, but with other normal GPIOs. Everything is all right. But I am still using the I2C pins(GPIO mode) to drive other components, currently they work ok. Co...