PCA9530 データシートの表示（PDF） - Philips Electronics

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PCA9530

2-bit I2C LED dimmer

Philips Electronics 

Philips Semiconductors

2-bit I2C LED dimmer

Preliminary data

PCA9530

START

SCL

SDA

30%

RESET

50%

tREC

LEDx

ACK OR READ CYCLE

50%

tREC

50%

tW

tREC

Figure 17. Definition of RESET timing

50%

LED OFF

SW01087

SDA

tBUF

tLOW

tR

tF

SCL

P

tHD;STA

S

tHD;DAT

tHIGH

tSU;DAT

tHD;STA

tSU;STA

Sr

Figure 18. Definition of timing

tSP

tSU;STO

P

SU00645

2002 Dec 12

13

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