Renesas R5S72621 User Manual
Section 21 IEBus
TM
Controller
Page 1118 of 2108
R01UH0134EJ0400 Rev. 4.00
Sep
24,
2014
SH7262 Group, SH7264 Group
21.3.15
IEBus General Flag Register (IEFLG)
IEFLG indicates the command execution status, lock status and slave address match, and
broadcast reception detection.
broadcast reception detection.
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
Bit:
Initial value:
R/W:
CMX
MRQ
SRQ
SRE
LCK
-
RSS
GG
Bit Bit
Name
Initial
Value R/W Description
Value R/W Description
7 CMX 0 R
Command
Execution
Status
Indicates the command execution status.
0: Command execution is completed
1: A command is being executed
[Setting condition]
When a master communications request or slave
transmit request command is issued while the
MRQ, SRQ, or SRE flag is set
[Clearing condition]
When a command execution has been completed
6
MRQ
0
R
Master Communications Request
Indicates whether the unit is in the communications
request state as a master unit.
request state as a master unit.
0: The unit is not in the communications request state
as a master unit
1: The unit is in the communications request state as a
master unit
[Setting condition]
When the CMX flag is cleared to 0 after the master
communications request command is issued
[Clearing condition]
When the master communications have been
completed