HD64F2149 Datasheet, PDF (514/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

16.2 Register Descriptions
16.2.1 I²C Bus Data Register (ICDR)
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 ICDRR5 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
—
TDRE
0
—
—
RDRF
0
—
480