Renesas R5S72621 User Manual
Section 21 IEBus
TM
Controller
R01UH0134EJ0400 Rev. 4.00
Page 1107 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
21.3.3
IEBus Master Control Register (IEMCR)
IEMCR sets the communication conditions for master communications.
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit:
Initial value:
R/W:
SS
RN
CTL*
1
Bit Bit
Name
Initial
Value
Value
R/W Description
7
SS
0
R/W
Broadcast/Normal Communications Select
Selects broadcast or normal communications for
master communications.
master communications.
0: Broadcast communications for master
communications
1: Normal communications for master communications
6 to 4
RN
000
R/W
Retransmission Counts
Set the number of times retransmission is done when
arbitration is lost in master communications. If
arbitration is lost, the TXEAL flag in IETSR is set and
transmission ends.
arbitration is lost in master communications. If
arbitration is lost, the TXEAL flag in IETSR is set and
transmission ends.
000: 0
001: 1
010: 2
011: 3
100: 4
101: 5
110: 6
111: 7