h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 513

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

16.1.4
Table 16.2 summarizes the registers of the I
Table 16.2 Register Configuration
Notes: 1. Lower 16 bits of the address.
Channel
0
1
Common
2. The register that can be written or read depends on the ICE bit in the I
Register Configuration
The I
register. The slave address register can be accessed when ICE = 0, and the I
mode register can be accessed when ICE = 1.
Register selection is performed by means of the IICE bit in the serial timer control
register (STCR).
Name
I
I
I
I
Slave address register
Second slave address
register
I
I
I
I
Slave address register
Second slave address
register
Serial timer control
register
DDC switch register
Module stop control
register
2
2
2
2
2
2
2
2
C bus control register
C bus status register
C bus data register
C bus mode register
C bus control register
C bus status register
C bus data register
C bus mode register
2
C bus interface registers are assigned to the same addresses as other registers.
Abbreviation
ICCR0
ICSR0
ICDR0
ICMR0
SAR0
SARX0
ICCR1
ICSR1
ICDR1
ICMR1
SAR1
SARX1
STCR
DDCSWR
MSTPCRH
MSTPCRL
Section 16 I
2
C bus interface.
Rev. 4.00 Jun 06, 2006 page 459 of 1004
2
C Bus Interface [H8S/2138 Group Option]
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
Initial Value
H'01
H'00
—
H'00
H'00
H'01
H'01
H'00
—
H'00
H'00
H'01
H'00
H'0F
H'3F
H'FF
REJ09B0301-0400
2
C bus control
Address *
H'FFD8
H'FFD9
H'FFDE *
H'FFDF *
H'FFDF *
H'FFDE *
H'FF88
H'FF89
H'FF8E *
H'FF8F *
H'FF8F *
H'FF8E *
H'FFC3
H'FEE6
H'FF86
H'FF87
2
C bus
2
2
2
2
2
2
2
2
1