PCA9698DGG/S911,51 NXP Semiconductors, PCA9698DGG/S911,51 Datasheet - Page 26

• Manufacturer Part Number: PCA9698DGG/S911,51
• Description: IC I/O EXPANDER I2C 40B 56TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9698DGG/S911,51

• Interface: I²C
• Number Of I /o: 40
• Interrupt Output: Yes
• Frequency - Clock: 1MHz
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 56-TSSOP
• Includes: POR
• For Use With: OM6281 - DAUGHTER CARD PCA9698 FOR OM6275
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935285491518; PCA9698DGG/S911-T; PCA9698DGG/S911-T

Fig 15. Write to the 5 output ports
OE is LOW (with OEPOL = 0) or HIGH (with OEPOL = 1) to observe a change in the outputs.
If more than 5 bytes are written, previous data are overwritten.
SDA
write to port when OCH = 0
data out from port when OCH = 0
write to port when OCH = 1
data out from port when OCH = 1
S
START condition
A6 A5 A4 A3 A2 A1 A0 0 A
slave address
acknowledge
from slave
R/W
AI = 1
1 0 0 0 1 0 0 0
command register
register bank 0
Output Port
is selected
A
acknowledge
from slave
DATA BANK 0 A
t
v(Q)
acknowledge
from slave
DATA BANK 1
data valid
bank 0
A
acknowledge
from slave
DATA BANK 2 A
data valid
bank 1
acknowledge
from slave
DATA BANK 3 A
data valid
bank 2
acknowledge
from slave
DATA BANK 4
acknowledge
from slave
data valid
bank 3
A
STOP
condition
P
data valid
all banks
data valid
t
bank 4
v(Q)
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