Fujitsu FR60 用户手册
667
Chapter 33 I2C Controller
2.I2C Interface Registers
2. I
2
C Interface Registers
This section describes the function of the I
2
C interface registers in detail.
■
Bus Control Register (IBCR0)
■
Bus Status Register (IBSR0)
■
Ten Bit slave Address register (ITBA0)
■
Ten bit slave address MasK register (ITMK0)
BER BEIE SCC MSS
ACK GCAA INTE
INT
⇐
Bit no.
Read/write
⇒
(R/W) (R/W) (W) (R/W) (R/W) (R/W) (R/W) (R/W)
Default value
⇒
(0)
(0)
(0)
(0)
(0)
(0)
(0)
(0)
Bus control register
Address : 0000D0
H
15
14
13
12
11
10
9
8
IBCR0
BB
RSC
AL
LRB
TRX
AAS GCA ADT
⇐
Bit no.
Read/write
⇒
(R)
(R)
(R)
(R)
(R)
(R)
(R)
(R)
Default value
⇒
(0)
(0)
(0)
(0)
(0)
(0)
(0)
(0)
Address : 0000D1
H
7
6
5
4
3
2
1
0
IBSR0
Bus status register
---
---
---
---
---
---
TA9
TA8
⇐
Bit no.
Read/write
⇒
(-)
(-)
(-)
(-)
(-)
(-)
(R/W) (R/W)
Default value
⇒
(0)
(0)
(0)
(0)
(0)
(0)
(0)
(0)
Ten Bit Address high byte
Address : 0000D2
H
15
14
13
12
11
10
9
8
ITBAH0
TA7
TA6
TA5
TA4
TA3
TA2
TA1
TA0
⇐
Bit no.
Read/write
⇒
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
Default value
⇒
(0)
(0)
(0)
(0)
(0)
(0)
(0)
(0)
Address : 0000D3
H
7
6
5
4
3
2
1
0
ITBAL0
Ten Bit Address low byte
ENTB RAL
---
---
---
---
TM9
TM8
⇐
Bit no.
Read/write
⇒
(R/W)
(R)
(-)
(-)
(-)
(-)
(R/W) (R/W)
Default value
⇒
(0)
(0)
(1)
(1)
(1)
(1)
(1)
(1)
Ten Bit Address Mask high byte
Address : 0000D4
H
15
14
13
12
11
10
9
8
ITMKH0
TM7
TM6
TM5 TM4
TM3
TM2
TM1 TM0
⇐
Bit no.
Read/write
⇒
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
Default value
⇒
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Address : 0000D5
H
7
6
5
4
3
2
1
0
ITMKL0
Ten Bit Address Mask low byte