SH7727 Datasheet, PDF (921/1109 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

Section 27 I/O Ports
Table 27.3 Read/Write Operation of the Port D Data Register (PDDR)
PDnMD1 PDnMD0 Pin State
Read
0
0
Other function PDDR value
1
Output
PDDR value
1
0
Input (Pullup Pin state
MOS: on)
1
Input (Pullup Pin state
MOS: off)
Write
Value is written to PDDR, but does not affect
pin state.
Write value is output from pin.
Value is written to PDDR, but does not affect
pin state.
Value is written to PDDR, but does not affect
pin state.
(n = 0 to 3, 5, 7)
PDnMD1 PDnMD0 Pin State
Read
Write
0
0
Other function H'00
Ignored (no affect on pin state)
1
Reserved* 

1
0
Input (Pullup Pin state
Ignored (no affect on pin state)
MOS: on)
1
Input (Pullup Pin state
Ignored (no affect on pin state)
MOS: off)
Note: * Operation cannot be guaranteed when this bit it set to “reserved.”
(n = 4, 6)
Rev. 5.00 Dec 12, 2005 page 849 of 1034
REJ09B0254-0500