SH7713 Datasheet, PDF (769/904 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
0
0
Other function PBDR value
1
1
0
1
[Legend]
n = 1 to 7
Output
Input (Pull-up
MOS on)
Input (Pull-up
MOS off)
PBDR value
Pin state
Pin state
Write
Value is written to PBDR, but does not
affect pin state.
Write value is output from pin.
Value is written to PBDR, but does not
affect pin state.
Value is written to PBDR, but does not
affect pin state.
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.1.50 Aug. 30, 2006 Page 729 of 860
REJ09B0288-0150