Registers Of The I C Interface - Fujitsu F2MC-16LX Hardware Manual

19.3 Registers of the I
2
The I C interface has the following six types of registers:
• Bus status register
• Bus control register
• Clock control register
• Address register
• Data register
• Port selection register
2
■ Registers of the I
C Interface
Bus status register
Address:
ch .0 00002C
ch.1 000032
Bus control register
Address:
ch .0 00002D
ch.1 000033
Clock control register
Address: ch .0 00002E
ch.1 000034
Read/write
Initial value
Address register
Address: ch.0 00002F
ch.1 000035
Data register
ch .0 000030
Address:
ch.1 000036
Read/write
Initial value
Port selection register
Address: ch.1 000037
Read/write
Initial value
2
C Interface
Figure 19.3-1 Registers of the I
7 6
bit
H
BB RSC
H
Read/write
(R) (R)
Initial value
( 0) ( 0)
15 14
bit
H
BER BEIE
H
Read/write
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
Initial value
( 0) ( 0)
7 6
bit
H
H
(-) (-)
(-) (-)
15 14
bit
H
A6
H
Read/write
(-) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
Initial value
(-) (X)
7 6
bit
H
D7 D6
H
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
(X) (X)
15 14
bit
H
(-) (-)
(-) (-)
2
C Interface
5 4 2
3
AL LRB TRX AAS
(R) (R) (R) (R)
( 0) ( 0) ( 0) ( 0)
13 12 11 10
MSS ACK GCAA INTE
SCC
( 0) ( 0) ( 0) ( 0) ( 0)
5 4 2
3
EN CS4 CS3 CS2
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
( 0) (X) (X) (X) (X)
13 12 11 10
A5 A4 A3 A2
(X) (X) (X) (X)
5 4 2
3
D5 D4 D3 D2
(X) (X) (X) (X) (X)
13 12 11 10
(-) (-) (-) (-) (-)
(-) (-) (-) (-) (-)
19.3 Registers of the I
1 0
GCA FBT IBSR
(R) (R)
( 0) ( 0)
9
8
INT IBCR
( 0)
1 0
CS1 CS0 ICCR
(X)
9
8
A1 A0 IADR
(X) (X)
1 0
D1 D0 IDAR
(X)
9
8
PSEL ISEL
(R/W)
( 0)
2
C Interface
305