FS5908

Rev. 1.2

19/22

15.3.1

The control register with writing data length 1 byte

Stop by

Master

SCL

SDA

Ack

by

FS5908

Address

Byte

Start by

Master

19

1

9

D0

D1

D7

Data Byte

D6 D5 D4 D3 D2

1

9

Pointer

Byte

Ack

by

FS5908

Ack

by

FS5908

D0

D1

D7

D2

D3

D4

D5

D6

A6 A5 A4

W

A3

A0

A1

A2

15.3.2

The register with writing data length 2 byte

SCL

SDA

Ack

by

FS5908

Address

Byte

Start by

Master

1

91

9

Stop by

Master

D15

Data Byte

Ack

by

FS5908

Data Byte

D14 D13 D12 D11 D10 D9 D8

D7 D6 D5 D4 D3 D2 D1 D0

9

Pointer

Byte

Ack

by

FS5908

11

9

Ack

by

FS5908

D0

D1

D7

D2

D3

D4

D5

D6

A6 A5 A4

W

A3

A0

A1

A2

The process to read FS5908 register via I2C includes complete reading process (3.4) and repeat reading

process (3.5).

15.4 Register Complete Reading Process

15.4.1 Complete Reading Process and Repeat Reading Process. Complete reading process

includes the following steps

(1) Write address

(2) Then write pointer

(3) Write address again

(4) Read data

The first byte of reading data is the highest byte of the record, and the first bit of

every byte is the highest bit of the byte.

15.4.2

The controlled register with complete reading data length 1 byte

Stop

by

Master

SCL

SDA

W

Ack

by

FS5908

Address

Byte

Start

by

Master

19

1

9

D0

D1

D7

Pointer

Byte

Ack

by

FS5908

SCL

SDA

R

Ack

by

FS5908

Address

Byte

Repeat

Start by

Master

19

1

9

D0

D1

D7

Data Byte

No

Ack

by

Master

D6 D5 D4 D3 D2

D2

D3

D4

D5

D6

A0

A1

A2

A3

A4

A5

A6

A0

A1

A2

A3

A4

A5

A6