PCA9502BS,157 NXP Semiconductors, PCA9502BS,157 Datasheet - Page 10

• Manufacturer Part Number: PCA9502BS,157
• Description: IC I/O EXPANDER I2C/SPI 24HVQFN
• Manufacturer: NXP Semiconductors

Specifications of PCA9502BS,157

• Interface: I²C, SPI
• Number Of I /o: 8
• Interrupt Output: No
• Frequency - Clock: 400kHz
• Voltage - Supply: 2.3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-VQFN Exposed Pad, 24-HVQFN, 24-SQFN, 24-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935281363157; PCA9502BS; PCA9502BS

NXP Semiconductors
PCA9502_3
Product data sheet
Fig 9. I
master write:
master read:
combined
formats:
2
C-bus data formats
START condition
START condition
START condition
S
S
S
SLAVE ADDRESS
SLAVE ADDRESS
SLAVE ADDRESS
read or
write
write
read
R/W
W
R
acknowledge
acknowledge
acknowledge
A
A
A
(n bytes + acknowledge)
data transferred
Rev. 03 — 13 October 2006
DATA
DATA
DATA
acknowledge
(n bytes + acknowledge)
(n bytes + acknowledge)
data transferred
data transferred
A
acknowledge
A
acknowledge
A
Sr
repeated
START condition
SLAVE ADDRESS
DATA
DATA
8-bit I/O expander with I
may change at this point
acknowledge
acknowledge
STOP condition
STOP condition
direction of transfer
not
NA
read or
A
write
R/W
P
P
acknowledge
A
(n bytes + acknowledge)
data transferred
2
C-bus/SPI interface
DATA
PCA9502
© NXP B.V. 2006. All rights reserved.
acknowledge
STOP condition
002aab458
A
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