LC709203F

www.onsemi.com

8

I

Communication protocol type : I

Frequency : Supported up to 400kHz

IC address [Slave Address] : 0x16 (It becomes "0001011X" when you write a binary, because the slave address is 7 bits. [X]=Rd/Wr.)

Bus Protocols

S

:

Start Condition

Sr

:

Repeated Start Condition

Rd

:

Read (bit value of 1)

Wr

:

Write (bit value of 0)

A

:

ACK (bit value of 0)

N

:

NACK (bit value of 1)

P

:

Stop Condition

CRC-8

:

Slave Address to Last Data (CRC-8-ATM : ex.3778mV : 0x16, 0x09, 0x17, 0xC2, 0x0E  0x86)

:

Master-to-Slave

:

Slave-to-Master

…

:

Continuation of protocol

Read Word Protocol

S

Slave Address

Wr

A

Command Code

A

…

Sr

Slave Address

Rd

A

Data Byte Low

A

Data Byte High

…

A

CRC-8

N

P

* When you do not read CRC-8, there is not the reliability of data. CRC-8-ATM ex : (5 bytes) 0x16, 0x09, 0x17, 0xC2, 0x0E  0x86

Write Word Protocol

S

Slave Address

Wr

A

Command Code

A

…

Data Byte Low

A

Data Byte High

A

CRC-8

A

P

* When you do not add CRC-8, the Written data (Data byte Low/High) become invalid.

CRC-8-ATM ex : (4 bytes) 0x16, 0x09, 0x55, 0xAA  0x3B