r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1449
r8a77850anbg
Manufacturer Part Number
r8a77850anbg
Description
Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R8A77850ANBG.pdf
(1692 pages)
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28.2.18 Port B Data Register (PBDR)
PBDR is an 8-bit readable/writable register that stores port B data.
Note:
Bit
7
6
5
4
3
2
1
0
*
Bit Name
PB7DT
PB6DT
PB5DT
PB4DT
PB3DT
PB2DT
PB1DT
PB0DT
When the bus mode is set to DU via the bus mode pins (MODE11 and MODE12), the
pin is initially used as a general-purpose input, and the pin status is read from this
register.
Initial value:
Initial
Value
0*
0*
0*
0*
0*
0*
0
0
R/W:
Bit:
PB7DT
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7
0
PB6DT
R/W
6
0
Description
These bits store output data of a pin which is used as a
general-purpose output port. When the pin functions as
a general-purpose output port, reading the port will read
out the value of the corresponding bit of this register.
When the pin functions as a general-purpose input port,
reading the port will read out the status of the
corresponding pin.
PB5DT
R/W
5
0
PB4DT
R/W
4
0
PB3DT
R/W
3
0
Rev.1.00 Jan. 10, 2008 Page 1419 of 1658
PB2DT
R/W
2
0
28. General Purpose I/O Ports (GPIO)
PB1DT
R/W
1
0
PB0DT
R/W
0
0
REJ09B0261-0100
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