SH7712 Datasheet, PDF (831/978 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 21 I/O Ports
Table 21.2 Port B Data Register (PBDR) Read/Write Operations (1)
PBnMD1 PBnMD0 Pin State
Read
Write
0
0
Other function PBDR value Value is written to PBDR, but does not
affect pin state.
1
Output
PBDR value Write value is output from pin.
1
0
Input (Pull-up Pin state
Value is written to PBDR, but does not
MOS on)
affect pin state.
1
Input (Pull-up Pin state
Value is written to PBDR, but does not
MOS off)
affect pin state.
[Legend]
n = 1 to 7
Table 21.3 Port B Data Register (PBDR) Read/Write Operations (2)
PBnMD1 PBnMD0 Pin State
Read
Write
0
0
Reserved* PBDR value Value is written to PBDR, but does not
affect pin state.
1
Output
PBDR value Write value is output from pin.
1
0
Input (Pull-up Pin status Value is written to PBDR, but does not
MOS on)
affect pin state.
1
Input (Pull-up Pin status Value is written to PBDR, but does not
MOS off)
affect pin state.
[Legend]
n=0
Note: * When this pin is specified as a reserved pin, its operation is not guaranteed.
Rev. 1.00 Dec. 27, 2005 Page 789 of 932
REJ09B0269-0100