PCA9505DGG,112 NXP Semiconductors, PCA9505DGG,112 Datasheet - Page 16

• Manufacturer Part Number: PCA9505DGG,112
• Description: IC I/O EXPANDER I2C 40B 56TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9505DGG,112

• Interface: I²C
• Number Of I /o: 40
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 56-TSSOP
• Includes: POR
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Package Type: TSSOP
• Rad Hardened: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-4244-5; 935284486112; PCA9505DGG

Fig 11. Write to the 5 output ports
SDA
write to port
data out from port
OE is LOW to observe a change in the outputs.
If more than 5 bytes are written, previous data are overwritten.
S
START condition
0 1 0 0 A2 A1 A0 0
slave address
acknowledge
from slave
R/W
A
AI = 1
1 0 0 0 1 0 0 0
command register
output bank
register bank 0
is selected
acknowledge
from slave
A
DATA BANK 0
acknowledge
from slave
A
t
v(Q)
DATA BANK 1
acknowledge
from slave
data valid
bank 0
A
DATA BANK 2
acknowledge
from slave
data valid
bank 1
A
DATA BANK 3
acknowledge
from slave
data valid
bank 2
A
DATA BANK 4
acknowledge
from slave
data valid
bank 3
condition
STOP
A
P
002aab496
data valid
bank 4