r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 676

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Section 16 I
16.3.3
ICMR is an 8-bit readable/writable register that selects whether the MSB or LSB is transferred
first and selects the transfer bit count.
Rev. 1.00 Sep. 21, 2007 Page 650 of 1124
REJ09B0402-0100
Bit
7
6
5, 4
3
I
2
Bit Name
MLS


BCWP
2
C Bus Mode Register (ICMR)
C Bus Interface 2 (I
Initial value:
Initial
Value
0
0
All 1
1
R/W:
Bit:
2
C2)
R/W
MLS
7
0
R/W
R/W
R
R
R/W
R
6
0
-
Description
MSB-First/LSB-First Select
0: MSB-first
1: LSB-first
Set this bit to 0 when the I
Reserved
This bit is always read as 0. The write value should
always be 0.
Reserved
These bits are always read as 1. The write value
should always be 1.
BC Write Protect
This bit controls the BC2 to BC0 modifications. When
modifying BC2 to BC0, this bit should be cleared to 0.
In clock synchronous serial mode, BC should not be
modified.
0: When writing, values of BC2 to BC0 are set.
1: When reading, 1 is always read.
R
5
1
-
When writing, settings of BC2 to BC0 are invalid.
R
4
1
-
BCWP
R/W
3
1
R/W
2
0
BC[2:0]
R/W
1
0
2
C bus format is used.
R/W
0
0