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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.
76543210
00000000
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
R/W Description
7 SS 0 R/W Broadcast/Normal Communications Select
Selects broadcast or normal communications for
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.
000: 0
001: 1
010: 2
011: 3
100: 4
101: 5
110: 6
111: 7