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Hitachi H8S/2633 Hardware Manual page 713

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18.1.4
Register Configuration
Table 18-2 summarizes the registers of the I
Table 18-2 Register Configuration
Channel
Name
2
0
I
C bus control register
2
I
C bus status register
2
I
C bus data register
2
I
C bus mode register
Slave address register
Second slave address
register
2
1
I
C bus control register
2
I
C bus status register
2
I
C bus data register
2
I
C bus mode register
Slave address register
Second slave address
register
Common
Serial control register X
DDC switch register
Module stop control
register B
Notes: 1. Lower 16 bits of the address.
2. The register that can be written or read depends on the ICE bit in the I
register. The slave address register can be accessed when ICE = 0, and the I
mode register can be accessed when ICE = 1.
2
3. The I
C bus interface registers are assigned to the same addresses as other registers.
Register selection is performed by means of the IICE bit in the serial control register X
(SCRX).
2
C bus interface.
Abbreviation
R/W
ICCR0
R/W
ICSR0
R/W
ICDR0
R/W
ICMR0
R/W
SAR0
R/W
SARX0
R/W
ICCR1
R/W
ICSR1
R/W
ICDR1
R/W
ICMR1
R/W
SAR1
R/W
SARX1
R/W
SCRX
R/W
DDCSWR
R/W
MSTPCRB
R/W
Initial Value
Address*
H'01
H'FF78*
H'00
H'FF79*
H'FF7E*
H'00
H'FF7F*
H'00
H'FF7F*
H'01
H'FF7E*
H'01
H'FF80*
H'00
H'FF81*
H'FF86*
H'00
H'FF87*
H'00
H'FF87*
H'01
H'FF86*
H'00
H'FDB4
H'0F
H'FDB5
H'FF
H'FDE9
2
C bus control
1
3
3
2,
3
*
2,
3
*
2,
3
*
2,
3
*
3
3
2,
3
*
2,
3
*
2,
3
*
2,
3
*
2
C bus
695

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