I 2 C Interface Register - Fujitsu MB90335 Series Hardware Manual

2
CHAPTER 19 I C INTERFACE
2
19.2 I C Interface Register
2
19.2 I C Interface Register
The configuration and functions of registers used in the I
■ Register List of I
ch.0:000070
ch.0:000071
ch.0:000072
ch.0:000073
ch.0:000074
R/W : Readable/writable
R : Read only
- : Undefined
X : Undefined value
434
2
C Interface
Figure 19.2-1 Register List of I
bit 7 6 5
H
BB RSC AL LRB TRX AAS GCA FBT
R R R
bit 15 14 13 12
H
BER BEIE SCC MSS ACK GCAA INTE INT
R/W R/W R/W R/W R/W R/W R/W R/W
7 6 5
bit
H
EN
R/W R/W R/W R/W R/W R/W
15 14 13 12
bit
H
A6 A5 A4
R/W R/W R/W
bit 7 6 5
H
D7 D6 D5
R/W R/W R/W R/W
FUJITSU MICROELECTRONICS LIMITED
2
C Interface
4 3 2 1 0
R R R R R
11 10 9 8
4 3 2 1 0
CS4 CS3 CS2 CS1 CS0
11 10 9 8
A3 A2 A1 A0
R/W R/W R/W R/W
4 3 2 1 0
D4 D3 D2 D1 D0
R/W R/W R/W R/W
MB90335 Series
2
C interface are described.
IBSR0
2
I C Bus status register 0
Initial value
00000000
B
Read/Write
IBCR0
2
I C Bus status register 0
Initial value
00000000
B
Read/Write
ICCR0
2
I C Clock control register 0
--0XXXXX
Initial value
B
Read/Write
IADR0
2
I C Bus address register 0
Initial value -XXXXXXX
B
Read/Write
IDAR0
2
I C Bus data register 0
Initial value
XXXXXXXX
B
Read/Write
CM44-10137-6E