9535 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

生产厂家

9535

16-bit I2C and SMBus/ low power I/O port with interrupt

Philips Electronics 

123 4 56 78 9

SCL

slave address

command byte

data to port 0

SDA S 0 1 0 0 A2 A1 A0 0 A 0 0 0 0 0 0 1 0 A 0.7

DATA 0

start condition

R/W acknowledge

from slave

acknowledge

from slave

WRITE TO

PORT

DATA OUT

FROM PORT 0

DATA OUT

FROM PORT 1

Figure 6. WRITE to output port registers

data to port 1

0.0 A 1.7

DATA 1

acknowledge

from slave

1.0 A P

tpv

DATA VALID

tpv

SU01442

1 2 3 4 56 7 8 9 1 2 3 4 5 6 78 9 1 2 3 4 56 7 8 9 1 2 3 4 5

SCL

slave address

command byte

data to register

data to register

SDA S 0 1 0 0 A2 A1 A0 0 A 0 0 0 0 0 1 1 0 A MSB

DATA 0

LSB A MSB

DATA 1

LSB A P

start condition

R/W acknowledge

from slave

acknowledge

from slave

acknowledge

from slave

SU01443

Figure 7. WRITE to configuration registers

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