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Datasheet

Datasheet

BD34602FS-M

TSZ02201-0C2C0E100310-1-2

© 2015 ROHM Co., Ltd. All rights reserved.

22.Oct.2015

Rev.001

www.rohm.com

TSZ22111・15・001

(2) I

MSB

LSB

MSB

LSB

MSB

LSB

S

Slave Address

A

Select Address

A

Data

A

P

1bit

8bit

1bit

8bit

1bit

8bit

1bit 1bit

S

= Start conditions (Recognition of start bit)

Slave Address

= Recognition of Slave Address. 7 bits in upper order are voluntary.

The least significant bit is “L” due to writing.

A

= ACKNOWLEDGE bit (Recognition of acknowledgement)

Select Address

= Select every of volume, bass and treble.

Data

= Data on every volume and tone.

P

= Stop condition (Recognition of stop bit)

(3) I

1）Basic form

S

Slave Address

A

Select Address

A

Data

A

P

MSB

LSB

MSB

LSB

MSB

LSB

2）Automatic increment (For an assigned Select Address increases (+1) according to the number of data.)

S

Slave Address

A

Select Address

A

Data1

A

Data2

A

････

DataN

A

P

MSB

LSB

MSB

LSB

MSB

LSB MSB

LSB

MSB

LSB

No.1. Data1 is set as data of address specified by Select Address.

No.2. Data2 is set as data of next address from the address specified by No.1.

No.3. DataN is set as data of address incremented N-1 times from the address specified by No.1.

The Select Address is circulated by the automatic increment function, as shown below (hex).

3）Configuration unavailable for transmission (In this case, only Select Address1 is set.

S

Slave Address

A

Select Address1

A

Data

A

Select Address 2

A

Data

A P

MSB

LSB

MSB

LSB

MSB LSB

MSB

LSB

MSB LSB

（

Note）If any data is transmitted as Select Address 2 next to data,

it is recognized as data, not as Select Address 2.

(4) Slave Address

Because the Slave Address can be changed by the setting of CS, it is possible to use two chips

at the same time on identical BUS.

CS Terminal Voltage Condition

A6

A5

A4

A3

A2

A1

A0

R/W

Hex

CS = Low : -0.5V to 1.0V

1

0

0

0

0

0

0

0

80

CS = High : 2.3V to VCC

1

0

0

0

0

1

0

0

84

Establish the voltage of CS terminal in the condition to have been defined.

→01→28→29→2A→2B→2C→2D→30→31→32→33→34→35