JLC1562B ON Semiconductor, JLC1562B Datasheet - Page 5

• Manufacturer Part Number: JLC1562B
• Description: I2C Bus I/O Expander
• Manufacturer: ON Semiconductor

READ / WRITE MODES
MODE
READ
WRITE
1.) WRITE MODE (A)
2.) WRITE MODE (B)
3.) READ MODE (A)
4.) READ MODE (B)
S
SACK = Slave Acknowledgement
MACK = Master Acknowledgement
P
The JLC1562B Supports the following types of Bus Cycles
S
S
S
S
= START Condition
= STOP Condition
Slave Address & R/W
Slave Address & R/W
Slave Address & R/W
Slave Address & R/W
Master Device
Receiver
Transmitter
SDA
Slave Device
Transmitter
Receiver
SACK
SACK
SACK
SACK
Read Data (1)
Write Data (1)
Write Data (1)
Read Data
Input
Output
I/O Expander
(Master Device)
I/O Port
http://onsemi.com
Controller
Micro
MACK
JLC1562B
Read Data (2)
5
SACK
MACK
SACK
Write Data (2)
P
P
SDA
MACK Read Data (3)
SCL
SDA
SCL
(Slave Device)
SACK
I/O Expander
MACK
P
P0 − P7
P