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CHAPTER 5 I/O PORTS
81 PF2 PF2/SC0
(input)
PCNL (POEN)
0: PF2
1: OPCA3
SMR (SCKE)
0: pin values are input to SC0 during
operation.
1: SC0 (output)
OPCA3
SC0
82 PF3 PF3/SI1/TRG2 Pin values are always input to SI1 and
TRG2 (during operation).
SI1
TRG2
83 PF4 PF4/TRG3 SMR (SOE)
0: PF4
1: S01 (output)
Pin values are always input to TRG3
(during operation).
S01
TRG3
84 PF5 PF5/SI2 PCNL (POEN)
0: PF5
1: OPCA1
Pin values are always input to SI2
(during operation).
OPCA1
SI2
85 PF6 PF6 PCNL (POEN)
0: PF5
1: OPCA2
SMR (SOE)
0: PF6
1: SO2 (output)
OPCA2
SO2
86 PF7 PF7 PCNL (POEN)
0: PF6
1: OPCA2
OPCA0
72 AVCC AVCC -
73 AVRH AVRH -
Table 5.4-3 External Bus Functions to be Selected (3/4)
Pin No. Pin code Initial value Switch-over register