Intel 8XC196MC User Manual page 510

P x _PIN
x = 0–5 (8XC196MC, MH)
x = 0–5, 7 (8XC196MD)
Each bit of the port x pin input (P x _PIN) register reflects the current state of the corresponding pin,
regardless of the pin configuration.
7
x = 1 (MC) —
7
x = 1 (MH) —
7
x = 1, 7 (MD) PIN7
7
x = 0, 2–5 (M x ) PIN7
Bit
Bit Number
Mnemonic
†
7:0 PIN7:0
†
The bits shown as dashes (—) are reserved; their values are undefined.
Table C-9. P x _PIN Addresses and Reset Values
Register
P0_PIN (8XC196MC, MD)
P0_PIN (8XC196MH)
P1_PIN (8XC196MC, MD)
P1_PIN (8XC196MH)
P2_PIN (8XC196M x )
P3_PIN (8XC196M x )
P4_PIN (8XC196M x )
P5_PIN (8XC196MC, MD)
P5_PIN (8XC196MH)
P7_PIN (8XC196MD)
— — PIN4
— —
PIN6 PIN5 PIN4
PIN6 PIN5 PIN4
Port x Pin y Input Value
This bit contains the current state of P x . y .
Address
1FA8H
1FDAH
1FA9H
1F9FH
1FD6H
1FFEH
1FFFH
1FF7H
1FF7H
1FD7H
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Reset State:
PIN3 PIN2
— PIN3 PIN2
PIN3 PIN2
PIN3 PIN2
Function
Reset Value
FFH when pin is not driven
FFH when pin is not driven
FFH when pin is not driven
FFH when pin is not driven
FFH when pin is not driven
FFH
FFH when pin is not driven
XXH
REGISTERS
Px_PIN
Address: Table C-9
0
PIN1 PIN0
0
PIN1 PIN0
0
PIN1 PIN0
0
PIN1 PIN0
C-33