I 2 C Interface Registers - Fujitsu F2MC-16LX Hardware Manual

2
CHAPTER 22 I C INTERFACE
2
22.2 I C Interface Registers
This section describes the configuration and functions of the I
I List of I 2
C interface registers
❍ Bus status register (IBSR)
Bus status register
Address: 000088
❍ Bus control register (IBCR)
Bus control register
Address: 000089
❍ Clock control register (ICCR)
Clock control register
Address: 00008A
❍ Address register (IADR)
Address register
Address: 00008B
❍ Data register (IDAR)
Data register
Address: 00008C
426
7 6
H
BB RSC AL
Read/write
(R) (R)
Initial value
(0) (0)
15 14
H
BER BEIE SCC MSS ACK GCAA INTE INT
Read/write
(R/W)(R/W)(R/W)(R/W)(R/W)(R/W) (R/W)(R/W)
Initial value
(0) (0)
7 6
H
- -
Read/write
(-) (-) (R/W) (R/W)(R/W)(R/W)(R/W)(R/W)
Initial value
(-) (-)
15 14
H
- A6
Read/write
(-) (R/W)(R/W) (R/W)(R/W)(R/W)(R/W)(R/W)
Initial value
(-) (X)
7 6
H
D7 D6
Read/write
(R/W)(R/W)(R/W) (R/W)(R/W)(R/W)(R/W)(R/W)
Initial value
(X) (X)
5 4 3 2 1
LRB TRX AAS GCA FBT
(R) (R) (R) (R) (R)
(0) (0) (0) (0) (0)
13 12 11 10 9
(0) (0) (0) (0) (0)
5 4 3 2 1
EN CS4 CS3 CS2 CS1 CS0
(0) (X) (X) (X) (X)
13 12 11 10 9
A5 A4 A3 A2 A1
(X) (X) (X) (X) (X)
5 4 3 2 1
D5 D4 D3 D2 D1
(X) (X) (X) (X) (X)
2
C interface registers.
0 Bit number
IBSR
(R)
(0)
8 Bit number
IBCR
(0)
0 Bit number
ICCR
(X)
8 Bit number
A0 IADR
(X)
0 Bit number
D0 IDAR
(X)