JLC1562B Ver la hoja de datos (PDF) - ON Semiconductor

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componentes Descripción

Fabricante

JLC1562B

I2C Bus I/O Expander

ON Semiconductor 

JLC1562B

READ / WRITE MODES

MODE

READ

SDA

Master Device Slave Device

Receiver

Transmitter

I/O Expander

I/O Port

Input

WRITE Transmitter Receiver

Output

SDA SCL

Micro

Controller

(Master Device)

I/O Expander

(Slave Device)

SDA

SCL

P0 − P7

The JLC1562B Supports the following types of Bus Cycles

1.) WRITE MODE (A)

S Slave Address & R/W

SACK Write Data (1)

SACK P

2.) WRITE MODE (B)

S Slave Address & R/W

SACK Write Data (1)

SACK Write Data (2)

SACK P

3.) READ MODE (A)

S Slave Address & R/W

SACK Read Data

MACK P

4.) READ MODE (B)

S Slave Address & R/W

SACK Read Data (1)

MACK Read Data (2)

MACK Read Data (3)

MACK

P

S = START Condition

SACK = Slave Acknowledgement

MACK = Master Acknowledgement

P = STOP Condition

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