SH7261 Datasheet, PDF (931/1348 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series

Section 20 IEBus^TM Controller (IEB) [R5S72612] [R5S72613]
20.3.3 IEBus Master Control Register (IEMCR)
IEMCR sets the communication conditions for master communications.
IEMCR is initialized by a power-on reset or in deep standby.
Bit: 7
6
5
4
3
2
1
0
SS
RN
CTL
Initial value: 0
0
0
0
0
0
0
0
R/W: R/W R/W R/W R/W R/W R/W R/W R/W
Initial
Bit
Bit Name 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
Rev. 2.00 Sep. 07, 2007 Page 899 of 1312
REJ09B0320-0200