Port 3 Data Register (P3Dr); Port 3 Register (Port3) - Renesas H8S/2437 Hardware Manual

7.4.2

Port 3 Data Register (P3DR)

P3DR stores output data for the port 3 pins.
Bit Bit Name
7 P37DR
6 P36DR
5 P35DR
4 P34DR
3 P33DR
2 P32DR
1 P31DR
0 P30DR
7.4.3

Port 3 Register (PORT3)

PORT3 reflects the pin state in port 3 and cannot be modified.
Bit Bit Name
7 P37
6 P36
5 P35
4 P34
3 P33
2 P32
1 P31
0 P30
Note: * Determined by the states of the P37 to P30 pins.
Rev. 1.00, 09/03, page 156 of 704
Initial Value R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
Initial Value R/W
*
R
*
R
*
R
*
R
*
R
*
R
*
R
*
R
Description
P3DR stores output data for the port 3 pins that are
used as the general output ports.
Description
When this register is read, the bit that is set in
P3DDR is read as the value of P3DR. The bit
that is cleared in P3DDR is read as the pin
state.