PCA6416AHF,128 NXP Semiconductors, PCA6416AHF,128 Datasheet - Page 12

• Manufacturer Part Number: PCA6416AHF,128
• Description: Interface - I/O Expanders
• Manufacturer: NXP Semiconductors

Specifications of PCA6416AHF,128

• Rohs: yes
• Maximum Operating Frequency: 100 kHz
• Operating Supply Voltage: 1.65 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: HWQFN-24
• Operating Current: 200 mA
• Output Current: 10 mA
• Product Type: I/O Expanders
• Factory Pack Quantity: 6000

Fig 9.
Fig 10. Write to device registers
Write to Output port register
SDA
write to port
data out from port 0
data out from port 1
SDA
SCL
SCL
S
START condition
S
START condition
1
0
1
0
2
1
2
slave address
1
3
0
slave address
3
0
4
0
4
0
5
0
5
0
6
0
6
0
DR
AD
7
AD
DR
7
R/W
R/W
8
0
8
0
9
A
acknowledge
from slave
9
A
acknowledge
from slave
0
0
0
0
command byte
0
command byte
0
0
0
0
0 1/0 1/0 1/0
0
1
0
A
acknowledge
from slave
A
acknowledge
from slave
0.7
MSB
data to port 0
data to register
DATA 0
DATA 0
t
v(Q)
0.0 A
LSB
acknowledge
from slave
A
acknowledge
from slave
1.7
DATA 0 VALID
MSB
data to port 1
data to register
DATA 1
DATA 1
t
v(Q)
1.0
LSB
A
acknowledge
from slave
A
acknowledge
from slave
DATA 1 VALID
STOP
condition
P
STOP
condition
P
002aaf557
002aaf556