HD64F2149 Datasheet, PDF (933/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

ICDR1—I²C Bus Data Register 1
ICDR0—I²C Bus Data Register 0
H'FF8E
H'FFDE
IIC1
IIC0
Bit
Initial value
Read/Write
7
ICDR7
—
R/W
6
ICDR6
—
R/W
5
ICDR5
—
R/W
4
ICDR4
—
R/W
3
ICDR3
—
R/W
2
ICDR2
—
R/W
1
ICDR1
—
R/W
0
ICDR0
—
R/W
ICDRR
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
ICDRR7 ICDRR6 ICDRR5 ICDRR4 ICDRR3 ICDRR2 ICDRR1 ICDRR0
—
—
—
—
—
—
—
—
R
R
R
R
R
R
R
R
ICDRS
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
ICDRS7 ICDRS6 ICDRS5 ICDRS4 ICDRS3 ICDRS2 ICDRS1 ICDRS0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
ICDRT
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
ICDRT7 ICDRT6 ICDRT5 ICDRT4 ICDRT3 ICDRT2 ICDRT1 ICDRT0
—
—
—
—
—
—
—
—
W
W
W
W
W
W
W
W
TDRE, RDRF (internal flags)
Bit
Initial value
Read/Write
Note: For details, see section 16.2.1, I²C Bus Data Register (ICDR).
—
TDRE
0
—
—
RDRF
0
—
899