PCA9552D NXP Semiconductors, PCA9552D Datasheet - Page 12

• Manufacturer Part Number: PCA9552D
• Description: LED Drivers I2C LED BLINKR 16BIT
• Manufacturer: NXP Semiconductors

Specifications of PCA9552D

• Number Of Segments: 16
• Low Level Output Current: 25000 uA (Min)
• Operating Supply Voltage: 2.3 V to 5.5 V
• Maximum Supply Current: 550 uA
• 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: PCA9552D,112

Philips Semiconductors
PCA9552_5
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
Remark: This figure assumes the command byte has previously been programmed with 00h.
write to register
data out from port
port
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 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)
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. 05 — 9 March 2006
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
16-bit I
DATA 1
DATA 3
acknowledge
from slave
2
C-bus LED driver with programmable blink rates
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
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
t
no acknowledge
v(Q)
from master
A
acknowledge
from slave
PCA9552
NA
DATA 1 VALID
no acknowledge
from master
NA
002aac187
002aac185
P
STOP
condition
002aac186
P
STOP
condition
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