CPU mode
MD2(Pin75)
MD1(Pin74)
MD0(Pin73)
Normal
mode ‚P
0V
0V
5V
Normal
mode ‚Q
0V
5V
0V
Normal
mode 3
0V
5V
5V
Normal
mode 4
5V
0V
0V
Normal
mode 5
5V
0V
5V
Normal
mode 6
5V
5V
0V
Normal
mode 7
5V
5V
5V
boot mode
mode 5
12V
0V
5V
boot mode
mode 6
12V
5V
0V
boot mode
mode 7
12V
5V
5V