PCA9530D-T NXP Semiconductors, PCA9530D-T Datasheet - Page 9
![no-image](/images/manufacturer_photos/0/4/487/nxp_semiconductors_sml.jpg)
PCA9530D-T
Manufacturer Part Number
PCA9530D-T
Description
LED Drivers 2-BIT I2C FM OD LED DIM RST
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9530D118.pdf
(24 pages)
Specifications of PCA9530D-T
Number Of Segments
2
Low Level Output Current
25000 uA (Min)
Operating Supply Voltage
2.3 V to 5.5 V
Maximum Supply Current
500 uA
Maximum Power Dissipation
400 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SO
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PCA9530D,118
NXP Semiconductors
PCA9530_3
Product data sheet
Fig 10. Write to register
Fig 11. Read from register
Fig 12. Read Input port register
data into
SDA
read from
(cont.)
SDA
write to register
data out from port
port
Remark: This figure assumes the command byte has previously been programmed with 00h.
SCL
SDA
port
S
START condition
S
START condition
S
(repeated)
START condition
1
1
1
S
START condition
7.4 Bus transactions
1
1
2
1
slave address
1
1
slave address
0
slave address
3
0
1
0
slave address
0
4
0
0
0
DATA 1
0
5
0
0
0
0 A0 0
acknowledge
6
0 A0
0
0 A0
from slave
acknowledge
7
R/W
from slave
0 A0 1
R/W
R/W
8
0
t
h(D)
1
R/W
A
9
A
acknowledge
from slave
A
0
A
0
acknowledge
from slave
0
DATA 2
Rev. 03 — 26 February 2009
0
at this moment master-transmitter becomes master-receiver
and slave-receiver becomes slave-transmitter
command byte
0
data from register
command byte
DATA (first byte)
0
Auto-Increment
register address
if AI = 1
AI
AI
data from port
0 B2 B1
DATA 1
DATA 3
0 B2 B1 B0
acknowledge
from slave
B0
t
A
su(D)
A
acknowledge
from slave
A
acknowledge
from master
(cont.)
A
acknowledge
from master
data to register
DATA 4
DATA 1
data from port
data from register
DATA (last byte)
DATA 4
t
2-bit I
no acknowledge
v(Q)
from master
2
A
acknowledge
from slave
C-bus LED dimmer
PCA9530
NA
© NXP B.V. 2009. All rights reserved.
DATA 1 VALID
no acknowledge
from master
NA
002aae504
002aae502
P
STOP
condition
002aae503
P
STOP
condition
9 of 24