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8XC196NT USER'S MANUAL
EP_MODE
EP_MODE
Each bit in the extended port mode (EP_MODE) register determines whether the corresponding pin
functions as a standard I/O port pin or is used as an extended address port (EPORT) pin.
7
—
—
Bit
Bit
Number
Mnemonic
7:4
—
3:0
PIN3:0
C-18
—
—
Reserved; always write as zeros.
Extended Address Port Pin x Mode
This bit determines the mode of EPORT. x :
0 = standard I/O port pin
1 = extended address port pin
Address:
Reset State:
PIN3
PIN2
Function
1FE1H
FFH
0
PIN1
PIN0
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