Renesas R5S72621 Manual De Usuario
Section 32 General Purpose I/O Ports
R01UH0134EJ0400 Rev. 4.00
Page 1691 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
32.2.3
Port A Port Register 0 (PAPR0)
PAPR0 is a 16-bit read-only register, in which the PA3PR to PA0PR bits correspond to the PA3 to
PA0 pins, respectively. PAPR0 always returns the states of the pins.
PA0 pins, respectively. PAPR0 always returns the states of the pins.
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
PA3
PA2
PA1
PA0
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
-
-
-
-
-
-
-
-
-
-
-
PA3
PR
PA2
PR
PA1
PR
PA0
PR
-
Bit:
Initial value:
R/W:
Bit Bit
Name
Initial
Value R/W
Description
15 to 4
All
0 R
Reserved
These bits are always read as 0. The write value
should always be 0.
should always be 0.
3
PA3PR
Pin state
R
The pin state is returned. These bits cannot be
modified.
modified.
2 PA2PR
Pin
state R
1 PA1PR
Pin
state R
0 PA0PR
Pin
state R
32.2.4
Port B Control Registers 0 to 5 (PBCR0 to PBCR5)
PBCR0 to PBCR5 are 16-bit readable/writable registers that are used to select the functions of the
multiplexed pins on port B.
multiplexed pins on port B.
(1) Port B Control Register 5 (PBCR5)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
-
Bit:
Initial value:
R/W:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0/1
R
R
R
R
R
R
R/W
R/W
R
R
R/W
R/W
R
R
R/W
R/W
-
-
-
-
-
PB22MD[1:0]
-
-
PB21MD[1:0]
-
-
PB20MD[1:0]
Bit
Bit Name
Initial Value
R/W
Description
15 to 10
All
0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
should always be 0.