Intel 8XC196K Series User Manual page 579

8XC196K x, J x , CA 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 (CA, J x )
7
x = 2 (CA, J x ) PIN7
7
x = 5 (CA)
7
x = 5 (J x )
7
x = 6 (CA, J x ) PIN7
7
x = 1, 2, 5, 6 (K x ) PIN7
Bit Bit
Number Mnemonic
7:0 PIN7:0
Table C-16. P x _MODE Addresses and Reset Values
C-52
— — —
PIN6 —
— PIN6 PIN5
— — —
PIN6 PIN5
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-17 lists the special-function signals for each pin.
Register
P1_MODE
P2_MODE
P5_MODE
P6_MODE
— PIN3 PIN2
PIN4 — PIN2
PIN4 PIN3 PIN2
— PIN3 PIN2
PIN4 —
PIN4 PIN3 PIN2
Function
Address Reset Value
1FD0H
1FC9H
1FF1H
1FD1H
Address: Table C-16
Reset State:
PIN1 PIN0
PIN1 PIN0
— PIN0
— PIN0
— PIN1 PIN0
PIN1 PIN0
00H
80H
80H
00H
0
0
0
0
0
0