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I2c interface registers, C interface registers – FUJITSU MB91460 SERIES FR60 User Manual

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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