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HD64F2149YV Folha de dados(PDF) 939 Page - Renesas Technology Corp

Nome de Peças HD64F2149YV
Descrição Electrónicos  Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series
PDF  1075 Pages
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Fabricante Electrônico  RENESAS [Renesas Technology Corp]
Página de início  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD64F2149YV Folha de dados(HTML) 939 Page - Renesas Technology Corp

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Appendix B Internal I/O Registers
Rev. 3.00 Jan 18, 2006 page 911 of 1044
REJ09B0280-0300
STR3—Status Register 3
H'FE86
HIF (XBS)
STR4—Status Register 4
H'FE8E
HIF (XBS)
7
DBU
0
R/W
R
6
DBU
0
R/W
R
5
DBU
0
R/W
R
4
DBU
0
R/W
R
3
C/
D
0
R
R
0
OBF
0
R/(W)*
R
2
DBU
0
R/W
R
1
IBF
0
R
R
Bit
Initial value
Slave R/W
Host R/W
Output buffer full
0
[Clearing condition]
When the host processor
reads ODR or the slave
writes 0 in the OBF bit
1
[Setting condition]
When the slave processor
writes to ODR
User-defined bits
Input buffer full
0
[Clearing condition]
When the slave processor reads IDR
1
[Setting condition]
When the host processor writes to IDR
Command/data
0
Contents of input data register (IDR) are data
1
Contents of input data register (IDR) are a command
Note: * Only 0 can be written, to clear the flag.



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