Renesas R5S72621 Manual Do Utilizador
Section 32 General Purpose I/O Ports
Page 1690 of 2108
R01UH0134EJ0400 Rev. 4.00
Sep
24,
2014
SH7262 Group, SH7264 Group
Bit Bit
Name
Initial
Value R/W
Description
8
PA3DR
0
R/W
See table 32.13
7 to 1
All
0 R
Reserved
These bits are always read as 0. The write
value should always be 0.
value should always be 0.
0
PA2DR
0
R/W
See table 32.13
(2) Port A Data Register 0 (PADR0)
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
R
R
R/W
R
R
R
R
R
R
R
R/W
-
-
-
-
-
-
PA1
DR
-
-
-
-
-
-
-
PA0
DR
-
Bit:
Initial value:
R/W:
Bit Bit
Name
Initial
Value R/W
Description
15 to 9
All
0 R
Reserved
These bits are always read as 0. The write
value should always be 0.
value should always be 0.
8
PA1DR
0
R/W
See table 32.13
7 to 1
All
0 R
Reserved
These bits are always read as 0. The write
value should always be 0.
value should always be 0.
0
PA0DR
0
R/W
See table 32.13
Table 32.13 Port A Data Registers 1, 0 (PADR1, PADR0) Read/Write Operation
Bits 8 and 0 in PADR1 and Bits 8 and 0 in PADR0
PAIOR0
Pin Function
Read Operation Write Operation
0
General input
Pin state
Can write to PADR1 and 0, but does not affect
the pin state
the pin state
1
General output PADR1, 0 value
Value written is output from the pin