h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 241
h8s-2649
Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2649.pdf
(766 pages)
- Current page: 241 of 766
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9.8.2
PBDR stores output data for the port B pins.
9.8.3
PORTB shows the pin states. It cannot be modified.
Note:
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
*
Port B Data Register (PBDR)
Port B Register (PORTB)
Bit Name
PB7DR
PB6DR
PB5DR
PB4DR
PB3DR
PB2DR
PB1DR
PB0DR
Bit Name
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
Determined by state of pins PB7 to PB0.
Initial
Value
0
0
0
0
0
0
0
0
Initial
Value
*
*
*
*
*
*
*
*
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
R
Description
If this register read is performed while PBDDR bits are
set to 1, the PBDR values are read. If this register read
is performed while PBDDR bits are cleared to 0, the pin
states are read.
Reading a pin being used as an LCD driver returns an
undefined value.
Description
An output data for a pin is stored when the pin
function is specified to a general purpose output port.
Rev. 2.00 Dec. 05, 2005 Page 203 of 724
Section 9 I/O Ports
REJ09B0200-0200
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