Renesas R5S72643 Manual Do Utilizador
Section 32 General Purpose I/O Ports
Page 1710 of 2108
R01UH0134EJ0400 Rev. 4.00
Sep
24,
2014
SH7262 Group, SH7264 Group
32.2.10
Port C Data Register 0 (PCDR0)
PCDR0 is a 16-bit readable/writable register that stores port C data. The PC10DR to PC0DR bits
correspond to the PC10 to PC0 pins, respectively.
correspond to the PC10 to PC0 pins, respectively.
When a pin function is general output, if a value is written to PCDR0, that value is output directly
from the pin, and if PCDR0 is read, the register value is returned directly regardless of the pin
state.
from the pin, and if PCDR0 is read, the register value is returned directly regardless of the pin
state.
When a pin function is general input, if PCDR0 is read, the pin state, not the register value, is
returned directly. If a value is written to PCDR0, although that value is written into PCDR0, it
does not affect the pin state. Table 32.15 summarizes PCDR0 read/write operation.
returned directly. If a value is written to PCDR0, although that value is written into PCDR0, it
does not affect the pin state. Table 32.15 summarizes PCDR0 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
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
-
-
-
-
PC10
DR
PC9
DR
PC8
DR
PC7
DR
PC6
DR
PC5
DR
PC4
DR
PC3
DR
PC2
DR
PC1
DR
PC0
DR
-
Bit:
Initial value:
R/W:
Bit Bit
Name
Initial
Value R/W
Description
15 to 11
All
0 R
Reserved
These bits are always read as 0. The write
value should always be 0.
value should always be 0.
10
PC10DR
0
R/W
See table 32.15
Note: Bits 10 and 9 are reserved in the
SH7262 Group. These bits are always
read as 0. The write value should always
be 0.
read as 0. The write value should always
be 0.
9 PC9DR
0
R/W
8 PC8DR
0
R/W
7 PC7DR
0
R/W
6 PC6DR
0
R/W
5 PC5DR
0
R/W
4 PC4DR
0
R/W
3 PC3DR
0
R/W
2 PC2DR
0
R/W
1 PC1DR
0
R/W
0 PC0DR
0
R/W