HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 530
HD6417144
Manufacturer Part Number
HD6417144
Description
32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417144.pdf
(930 pages)
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14. I
14.3.6
ICSR includes flags that indicate bus states. See also table 14.4 and table 14.5.
Rev.4.00 Mar. 27, 2008 Page 486 of 882
REJ09B0108-0400
Bit
7
6
5
2
C Bus Interface (IIC) Option
Bit Name Initial Value R/W
ESTP
STOP
IRTR
I
2
C Bus Status Register (ICSR)
0
0
0
R/(W)* Erroneous Stop Condition Detection Flag
R/(W)* Normal Stop Condition Detection Flag
R/(W)* I
Description
This bit is enabled in the I
[Setting condition]
•
[Clearing conditions]
•
•
This bit is enabled in the I
[Setting condition]
•
[Clearing conditions]
•
•
Flag
The IRTR flag indicates that the I
generated an interrupt for the CPU at the end of
transmission and reception one frame of data. The IRIC
flag is set to 1 at the same time as the IRTR flag is set to 1.
[Setting conditions]
•
•
[Clearing conditions]
•
•
2
C Bus Interface Continuous Transfer Interrupt Request
Detection of the stop condition during the transfer of
one frame
Writing of 0 to this bit after reading ESTP = 1
Clearing of the IRIC flag to 0
Detection of the stop condition after the transfer of one
frame
Writing of 0 to this bit after reading STOP = 1
Clearing of the IRIC flag to 0
Setting of the ICDRE or ICDRF flag to 1 while AASX is
1 in the I
Setting of the ICDRE or ICDRF flag to 1, when in
master mode in I2C bus interface or synchronous serial
format
Writing of 0 to this bit after reading IRTR = 1
Clearing of the IRIC flag to 0 with ICE = 0
2
C bus interface in the slave mode.
2
2
C bus format in the slave mode.
C bus format in the slave mode.
2
C bus interface has
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