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Datasheet

Datasheet

BU21079F

TSZ02201-0Y1Y0FZ00150-1-2

© 2013 ROHM Co., Ltd. All rights reserved.

2013.09.25 Rev.001

www.rohm.com

TSZ22111・15・001

Timing Charts

●Host interface

2-wire serial bus.

Compatible with I2C protocol.

Supports slave mode only.

Slave Address = 0x5C

Supports Standard-mode (data transfer rate is 100 kbit/s) and Fast-mode (data transfer rate is 400 kbit/s).

Supports sequential read.

START

SDA

SCL

STOP

Address

R/W

ACK

ACK

ACK

Data

Data

Standard-mode

Fast-mode

Parameter

Symbol

MIN

MAX

MIN

MAX

Unit

Hold time (repeated) START condition

0

100

0

400

kHz

LOW period of the SCL clock

4.0

-

0.6

-

µsec

HIGH period of the SCL clock

4.7

-

1.3

-

µsec

Data hold time

4.0

-

0.6

-

µsec

Data set-up time

0.1

3.45

0.1

0.9

µsec

Set-up time for a repeated START condition

0.25

-

0.1

-

µsec

Set-up time for STOP condition

4.7

-

0.6

-

µsec

Bus free time between a STOP and START condition

4.0

-

0.6

-

µsec

Hold time (repeated) START condition

4.7

-

1.3

-

µsec

Fig 8. 2-wire serial bus timing chart

Fig 7. 2-wire serial bus data format

SDA

SCL

START

Address

ACK

Data

Data

ACK

STOP

NACK

/ ACK

R/W