Renesas H8/3067 Series User Manual page 329

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
SMIF
TE
P9 DDR
1
Pin function
Note: * Functions as the TxD
driven, and another in which the pin is at high-impedance.
Bit TE in SCR of SCI0, bit SMIF in SCMR, and bit P9
SMIF
TE
P9 DDR
0
Pin function
Note: * Functions as the TxD
driven, and another in which the pin is at high-impedance.
DDR select the pin function as follows.
1
0
0
0 1
P9 input P9 output
1 1
output pin, but there are two states: one in which the pin is
1
DDR select the pin function as follows.
0
0
0
0 1
P9 input P9 output
0 0
output pin, but there are two states: one in which the pin is
0
Rev. 4.00 Jan 26, 2006 page 305 of 938
Section 8 I/O Ports
1
1 —
— —
TxD output TxD output*
1 1
1
1 —
— —
TxD output TxD output*
0 0
REJ09B0276-0400