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8XC196NT USER'S MANUAL
Px_MODE
P x _MODE
x = 1, 2, 5, 6
Each bit in the port x mode (P x _MODE) register determines whether the corresponding pin functions
as a standard I/O port pin or is used for a special-function signal.
7
x = 1, 2, 5, 6
PIN7
Bit
Bit
Number
Mnemonic
7:0
PIN7:0
Table C-9. P x _MODE Addresses and Reset Values
C-38
PIN6
PIN5
Port x Pin y Mode
This bit determines the mode of the corresponding port pin:
0 = standard I/O port pin
1 = special-function signal
Table C-10 lists the special-function signals for each pin.
Register
P1_MODE
P2_MODE
P5_MODE
P6_MODE
PIN4
PIN3
PIN2
Function
Address
Reset Value
1FD0H
1FC9H
1FF1H
1FD1H
Address:
Table C-9
Reset State:
PIN1
PIN0
00H
80H
80H
00H
0
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