SH7050 Datasheet, PDF (546/841 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH RISC engine Family/

Section 17 I/O Ports (I/O)
Table 17.8 Port D Data Register (PDDR) Read/Write Operations
PDIOR
0
1
Pin Function
General input
Other than general
input
General output
Other than general
output
Read
Pin state
Pin state
PDDR value
PDDR value
Write
Value is written to PDDR, but does not affect
pin state
Value is written to PDDR, but does not affect
pin state
Write value is output from pin (POD pin = high)
High impedance regardless of PDDR value
(POD pin = low)
Value is written to PDDR, but does not affect
pin state
Rev. 5.00 Jan 06, 2006 page 526 of 818
REJ09B0273-0500