Wei Dongshan embedded first phase of the study notes DAY_4--8_2_ hardware knowledge _S3C2440 start operating processes and GPIO

Author: GWD Time: 2019.7.5

First, the course content:
1. Q: bare board LED lit a lamp to how to do?
answer:

2, Q: soc difference between ordinary CPU chip and the
answer: just plain ordinary CPU CPU, which integrates a number of controllers, system-on-chip SOC.

3, Q: RAM chips to start the process?
answer:

Second, the learning points (no)
three codes (no)