PCA9532D NXP Semiconductors, PCA9532D Datasheet - Page 12

• Manufacturer Part Number: PCA9532D
• Description: LED Drivers I2C LED DIMMER 16BIT
• Manufacturer: NXP Semiconductors

Specifications of PCA9532D

• Number Of Digits: 16
• Low Level Output Current: 6.5 mA
• Operating Supply Voltage: 2.3 V to 5.5 V
• Maximum Supply Current: 200 mA
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-137
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: PCA9532D,112

NXP Semiconductors
PCA9532_4
Product data sheet
Fig 11. Write to register
Fig 12. Read from register
Fig 13. 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 A2 A1 A0 0
4
0 A2 A1 A0
0
0 A2 A1 A0
DATA 1
5
0 A2 A1 A0 1
acknowledge
6
from slave
acknowledge
7
R/W
from slave
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
0
at this moment master-transmitter becomes master-receiver
and slave-receiver becomes slave-transmitter
Rev. 04 — 17 March 2009
command byte
0
data from register
command byte
DATA (first byte)
0
Auto-Increment
register address
if AI = 1
AI B3 B2 B1
AI B3 B2 B1 B0
data from port
DATA 1
DATA 3
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
16-bit I
t
no acknowledge
v(Q)
from master
2
A
acknowledge
from slave
C-bus LED dimmer
PCA9532
NA
© NXP B.V. 2009. All rights reserved.
DATA 1 VALID
no acknowledge
from master
NA
002aae528
002aae526
P
STOP
condition
002aae527
P
STOP
condition
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