Hitachi H8/3062 Hardware Manual page 247

Pin
P9 /TxD
1 1
P9 /TxD
0 0
Pin Functions and Selection Method
Bit TE in SCR of SCI1, bit SMIF in SCMR, and bit P9
function as follows.
SMIF
TE
P9 DDR
1
Pin function P9
Note: * Functions as the TxD
which the pin is driven, and another in which the pin is at high-
impedance.
Bit TE in SCR of SCI0, bit SMIF in SCMR, and bit P9
function as follows.
SMIF
TE
P9 DDR
0
Pin function P9
Note: * Functions as the TxD
which the pin is driven, and another in which the pin is at high-
impedance.
0
0
0 1
input P9 output
1 1
output pin, but there are two states: one in
1
0
0
0 1
input P9 output
0 0
output pin, but there are two states: one in
0
DDR select the pin
1
1
1 —
— —
output *
TxD output TxD
1 1
DDR select the pin
0
1
1 —
— —
output *
TxD output TxD
0 0
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