Renesas R5S72621 User Manual
Section 32 General Purpose I/O Ports
Page 1760 of 2108
R01UH0134EJ0400 Rev. 4.00
Sep
24,
2014
SH7262 Group, SH7264 Group
32.2.32
Port J Data Register 0 (PJDR0)
PJDR0 is a 16-bit readable/writable register that stores port J data. The PJ11DR to PJ0DR bits
correspond to the PJ11 to PJ0 pins, respectively.
correspond to the PJ11 to PJ0 pins, respectively.
When a pin function is general output, if a value is written to PJDR0, that value is output from the
pin, and if PJDR0 is read, the register value is returned directly regardless of the pin state.
pin, and if PJDR0 is read, the register value is returned directly regardless of the pin state.
When a pin function is general input, if PJDR0 is read, the pin state, not the register value, is
returned directly. If a value is written to PJDR0, although that value is written into PJDR0, it does
not affect the pin state. Table 32.20 summarizes PJDR0 read/write operation.
returned directly. If a value is written to PJDR0, although that value is written into PJDR0, it does
not affect the pin state. Table 32.20 summarizes PJDR0 read/write operation.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
-
-
-
PJ11
DR
PJ10
DR
PJ9
DR
PJ8
DR
PJ7
DR
PJ6
DR
PJ5
DR
PJ4
DR
PJ3
DR
PJ2
DR
PJ1
DR
PJ0
DR
-
Bit:
Initial value:
R/W:
Bit Bit
Name
Initial
Value R/W
Description
15 to 12
All
0 R
Reserved
These bits are always read as 0. The write
value should always be 0.
value should always be 0.
11
PJ11DR
0
R/W
See table 32.20
Note:
Bits 11 to 4 are reserved in the
SH7262 Group. These bits are always
read as 0. The write value should
always be 0.
SH7262 Group. These bits are always
read as 0. The write value should
always be 0.
10 PJ10DR
0
R/W
9 PJ9DR
0
R/W
8 PJ8DR
0
R/W
7 PJ7DR
0
R/W
6 PJ6DR
0
R/W
5 PJ5DR
0
R/W
4 PJ4DR
0
R/W
3 PJ3DR
0
R/W
2 PJ2DR
0
R/W
1 PJ1DR
0
R/W
0 PJ0DR
0
R/W