h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 563

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Table 17.5 Restrictions on Accessing IIC Registers
Register
ICDR
SAR
SARX
ICMR
ICCR
ICSR
Bit
7 to 0
7 to 1
0
7 to 1
0
7
6
5 to 3
2 to 0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Bit Name
—
SVA6 to SVA0
FS
SVAX6 to SVAX0
FSX
MLS
WAIT
CKS2 to CKS0
BC2 to BC0
ICE
IEIC
MST
TRS
ACKE
BBSY
IRIC
SCP
ESTP
STOP
IRTR
AASX
AL
AAS
ADZ
ACKB
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
R/(W)
R/(W)
R/(W)
R/(W)
R/(W)
R/(W)
R/(W)
R/W
Description
Writing is disabled. Reading/writing to this
register does not initiate any data transfer.
Writing has no affect on the bits.
Write the slave address.
Select the I
Write the second slave address as required.
Select the I
Select MSB-first.
The value written to this bit is ignored because
the function of this bit is replaced by ICCMD.
The function of this bit can be monitored by the
WAITX bit in ICSRA.
Select the transfer rate.
Set to B'000 (9 bits).
—
Even when set to 1, the conventional interrupt
is ignored.
The values written to these bits are ignored
because the functions of these bits are
replaced by ICCMD. The functions of these bits
can be monitored by the MSTX, TRSX, and
ACKXE bits in ICSRA.
Writing B'10 or B'00 is ignored.
—
Writing B'10 or B'00 is ignored.
—
The value written to this bit is ignored because
the function of this bit when written to is
replaced by the ACKXB bit in ICCRX.
Rev. 3.00 Jan 25, 2006 page 511 of 872
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2
C bus format.
C bus format.
Section 17 I
2
C Bus Interface (IIC)
REJ09B0286-0300