HD64F2636F20 Datasheet, PDF (600/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 15 I²C Bus Interface [Option]
(Only for the H8S/2638, H8S/2639, and H8S/2630)
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
15.2 Register Descriptions
15.2.1 I²C Bus Data Register (ICDR)
Bit
:
Initial value :
R/W
:
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
:7
6
5
4
3
2
1
0
ICDRR7 ICDRR6 ICDRR5 ICDRR4 ICDRR3 ICDRR2 ICDRR1 ICDRR0
Initial value : ⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
R/W
:R
R
R
R
R
R
R
R
• ICDRS
Bit
:7
6
5
4
3
2
1
0
ICDRS7 ICDRS6 ICDRR5 ICDRS4 ICDRS3 ICDRS2 ICDRS1 ICDRS0
Initial value : ⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
R/W
:⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
• ICDRT
Bit
:7
6
5
4
3
2
1
0
ICDRT7 ICDRT6 ICDRT5 ICDRT4 ICDRT3 ICDRT2 ICDRT1 ICDRT0
Initial value : ⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
R/W
:W
W
W
W
W
W
W
W
• TDRE, RDRF (internal flags)
Bit
:
Initial value :
R/W
:
⎯
TDRE
0
⎯
⎯
RDRF
0
⎯
Page 550 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010