Page 61
As the internal pull-down resistor is used, the switch can be connected to the line and ground without any external resistors:
should read:
As the internal pull-up resistor is used, the switch can be connected to the line and ground without any external resistors:
Page 131
The line in the first new paragraph:
The PWM output in this configuration mimics the workings of an 8-bit A-to-D converter.
shoudl read:
The PWM output in this configuration mimics the workings of an 8-bit D-to-A converter.
i.e. swap A and D.
Page 135
The graph axis labels need to be switched.
