RT5021 datasheet(45/67 Pages) RICHTEK

45 / 67 page

RT5021

DS5021-01 April 2013

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

I2C Waveform Information

SDA

SCL

tLOW

tHD,STA

tHD,DAT

tHIGH

tSU,DAT

tSU,STA

tHD,STA

tSP

tBUF

tSU,STO

LSB

MSB

Assume Address = m

Data for Address = m

Data for Address = m + N - 1

Data for Address = m + 1

Assume Address = m

Data for Address = m

Data for Address = m + N - 1

Data for Address = m + 1

Slave Address

Data 1

R/W

Data N

LSB

MSB

Read N bytes from RT5021

LSB

MSB

Data 2

Data N

LSB

MSB

LSB

Slave Address

Data 1

Data 2

MSB

LSB

Write N bytes to RT5021

Driven by Master,

Driven by Slave (RT5021),

Start,

Repeat Start

Stop,

I2C Interface

RT5021 I2C slave address = 0010010 (7 bits). I2C interface supports fast mode (bit rate up to 400kb/s). The write or read

bit stream (N

1) is shown below :

≥

RT5021 数据表(PDF) 45 Page - Richtek Technology Corporation

RT5021 数据表(HTML) 45 Page - Richtek Technology Corporation

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