US38024-BAG1 Renesas Electronics America, US38024-BAG1 Datasheet - Page 227
US38024-BAG1
Manufacturer Part Number
US38024-BAG1
Description
DEV EVALUATION KIT H8/38024
Manufacturer
Renesas Electronics America
Series
H8®r
Type
MCUr
Datasheet
1.US38024-BAG1.pdf
(684 pages)
Specifications of US38024-BAG1
Contents
2G (Second-generation) Evaluation Board, HEW debugger support, Cable and CD-ROM
For Use With/related Products
H8/38024
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 227 of 684
- Download datasheet (5Mb)
Port Data Register 3 (PDR3)
PDR3 is an 8-bit register that stores data for port 3 pins P3
bits are set to 1, the values stored in PDR3 are read, regardless of the actual pin states. If port 3 is
read while PCR3 bits are cleared to 0, the pin states are read.
Upon reset, PDR3 is initialized to H'00.
Port Control Register 3 (PCR3)
PCR3 is an 8-bit register for controlling whether each of the port 3 pins P3
input pin or output pin. Setting a PCR3 bit to 1 makes the corresponding pin an output pin, while
clearing the bit to 0 makes the pin an input pin. The settings in PCR3 and in PDR3 are valid only
when the corresponding pin is designated in PMR3 as a general I/O pin.
Upon reset, PCR3 is initialized to H'00.
PCR3 is a write-only register, which is always read as all 1s.
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
PCR3
R/W
P3
W
7
0
7
0
7
7
PCR3
R/W
P3
W
6
0
6
0
6
6
PCR3
R/W
P3
W
5
0
5
0
5
5
PCR3
R/W
P3
W
4
0
4
0
4
4
Rev. 8.00 Mar. 09, 2010 Page 205 of 658
PCR3
7
R/W
P3
to P3
W
3
0
3
0
3
3
0
. If port 3 is read while PCR3
PCR3
R/W
P3
W
2
0
2
0
2
2
7
to P3
PCR3
Section 8 I/O Ports
R/W
P3
REJ09B0042-0800
W
1
0
1
0
0
1
functions as an
1
PCR3
R/W
P3
W
0
0
0
0
0
0
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