Hitachi H8/3692 ユーザーズマニュアル

Rev. 1.0, 07/01, page 242 of 372

4. The last byte data is read by reading ICDRR.

ICDRS

ICDRR

1

2

1

3

4

5

6

7

8

9

9

A

A

RDRF

Data 1

Data 2

Data 1

SCL

(Master output)

SDA

(Master output)

SDA

(Slave output)

SCL

(Slave output)

Bit 7

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

[2] Read ICDRR (dummy read)

[2] Read ICDRR

User

processing

ICDRS

ICDRR

1

2

3

4

5

6

7

8

9

9

A

A

RDRF

SCL

(Master output)

SDA

(Master output)

SDA

(Slave output)

SCL

(Slave output)

User

processing

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Data 1

[3] Set ACKBT

[3] Read ICDRR

[4] Read ICDRR

Data 2

Data 1