L9 - Serial Communication
Why separate peripherals
why no USB
intro UART
baud
the ACIA
crystals n stuff
how to control the ACIA in software
memory mapping, registers, reading/writing data
Assignment
Build
TODO: Picture
Build the above schematic on the breadboard. An example board is provided for your reference.
Test
Open coolterm and set it to 115200 baud.
Use the serial port that is not in use by the debugger.
Upload and run starter-code/serial.S and you should see "Hello, world!".
You can type into coolterm to have text display on your screen.