BU9890GUL-W Datasheet, PDF(7/14 Page) Rohm – Silicon Monolithic Integrated Circuit

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BU9890GUL-W Datasheet, PDF (7/14 Pages) Rohm – Silicon Monolithic Integrated Circuit

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âSYNCHRONOUS DATA TIMING

SCL

SDA

(IN)

SDA

(OUT)

tHD:STA

tBUF

tHIGH

tSU:DAT

tLOW

tPD

tHD:DAT

tDH

7/13

SCL

SDA

tSU:STA

tHD:STA

tSU:STO

START BIT

Fig.-4 SYNCHRONOUS DATA TIMING

STOP BIT

âSDA data is latched into the chip at the rising edge of SCL clock.

âOutput date toggles at the falling edge of SCL clock.

âWRITE CYCLE TIMING

SCL

SDA

ACK

WRITE DATA(n)

tWR

STOP CONDITION

START CONDITION

Fig.-5 WRITE CYCLE TIMING

REV. A

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