Section 17 I
2
C Bus Interface (IIC)
Rev. 3.00 Jan 25, 2006 page 511 of 872
REJ09B0286-0300
Table 17.5 Restrictions on Accessing IIC Registers
Register
Bit
Bit Name
R/W
Description
ICDR
7 to 0
—
R/W
Writing is disabled. Reading/writing to this
register does not initiate any data transfer.
Writing has no affect on the bits.
7 to 1
SVA6 to SVA0
R/W
Write the slave address.
SAR
0
FS
R/W
Select the I
2
C bus format.
7 to 1
SVAX6 to SVAX0
R/W
Write the second slave address as required.
SARX
0
FSX
R/W
Select the I
2
C bus format.
7
MLS
R/W
Select MSB-first.
6
WAIT
R/W
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.
5 to 3
CKS2 to CKS0
R/W
Select the transfer rate.
ICMR
2 to 0
BC2 to BC0
R/W
Set to B'000 (9 bits).
7
ICE
R/W
—
6
IEIC
R/W
Even when set to 1, the conventional interrupt
is ignored.
5
4
3
MST
TRS
ACKE
R/W
R/W
R/W
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.
2
BBSY
R/W
Writing B'10 or B'00 is ignored.
1
IRIC
R/W
—
ICCR
0
SCP
W
Writing B'10 or B'00 is ignored.
7
6
5
4
3
2
1
ESTP
STOP
IRTR
AASX
AL
AAS
ADZ
R/(W)
R/(W)
R/(W)
R/(W)
R/(W)
R/(W)
R/(W)
—
ICSR
0
ACKB
R/W
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.
Содержание H8S/2158
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Страница 36: ...Rev 3 00 Jan 25 2006 page xxxiv of lii B Product Lineup 863 C Package Dimensions 864 Index 865...
Страница 47: ...Rev 3 00 Jan 25 2006 page xlv of lii Appendix Figure C 1 Package Dimensions TBP 112A 864...
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Страница 118: ...Section 3 MCU Operating Modes Rev 3 00 Jan 25 2006 page 64 of 872 REJ09B0286 0300...
Страница 126: ...Section 4 Exception Handling Rev 3 00 Jan 25 2006 page 72 of 872 REJ09B0286 0300...
Страница 198: ...Section 6 Bus Controller Rev 3 00 Jan 25 2006 page 144 of 872 REJ09B0286 0300...
Страница 326: ...Section 10 8 Bit PWM Timer PWM Rev 3 00 Jan 25 2006 page 272 of 872 REJ09B0286 0300...
Страница 440: ...Section 15 Watchdog Timer WDT Rev 3 00 Jan 25 2006 page 386 of 872 REJ09B0286 0300...
Страница 606: ...Section 17 I 2 C Bus Interface IIC Rev 3 00 Jan 25 2006 page 552 of 872 REJ09B0286 0300...
Страница 742: ...Section 19 Multimedia Card Interface MCIF Rev 3 00 Jan 25 2006 page 688 of 872 REJ09B0286 0300...
Страница 744: ...Section 20 Encryption Operation Circuit DES and GF Rev 3 00 Jan 25 2006 page 690 of 872 REJ09B0286 0300...
Страница 750: ...Section 21 D A Converter Rev 3 00 Jan 25 2006 page 696 of 872 REJ09B0286 0300...
Страница 768: ...Section 22 A D Converter Rev 3 00 Jan 25 2006 page 714 of 872 REJ09B0286 0300...
Страница 770: ...Section 23 RAM Rev 3 00 Jan 25 2006 page 716 of 872 REJ09B0286 0300...
Страница 824: ...Section 26 Clock Pulse Generator Rev 3 00 Jan 25 2006 page 770 of 872 REJ09B0286 0300...
Страница 844: ...Section 27 Power Down Modes Rev 3 00 Jan 25 2006 page 790 of 872 REJ09B0286 0300...
Страница 878: ...Section 28 List of Registers Rev 3 00 Jan 25 2006 page 824 of 872 REJ09B0286 0300...
Страница 926: ...Index Rev 3 00 Jan 25 2006 page 872 of 872 REJ09B0286 0300...