On the LPC2138, P0.14 is both SDA1 and bootloader control pin. So if I am using the second I2C-channel in a multimaster application there might a situation where another I2C-unit send a 0 during reset (startup) of my unit forcing it into boot mode. Have anyone thought about this?
Message
I2C and bootloader control on the same pin
2005-04-20 by peterssonmikael