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Part Name
Description
PCA9500D View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
Manufacturer
PCA9500D
8-bit I2C-bus and SMBus I/O port with 2-kbit EEPROM
NXP Semiconductors.
PCA9500D Datasheet PDF : 26 Pages
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NXP Semiconductors
PCA9500
8-bit I
2
C-bus and SMBus I/O port with 2-kbit EEPROM
protocol
START
condition
(S)
bit 7
MSB
(A7)
bit 6
(A6)
SCL
SDA
t
SU;STA
t
BUF
t
LOW
t
HIGH
1
/f
SCL
t
r
t
f
bit 0 acknowledge
(R/W)
(A)
STOP
condition
(P)
Fig 22. I
2
C-bus timing
t
HD;STA
t
SU;DAT
t
HD;DAT
t
VD;DAT
t
VD;ACK
t
SU;STO
002aab175
SCL
SDA
8
th
bit
word n
ACK
Fig 23. Write cycle timing
STOP
condition
T
cy(W)
START
condition
memory
address
002aad310
PCA9500_4
Product data sheet
Rev. 04 — 15 April 2009
© NXP B.V. 2009. All rights reserved.
17 of 26
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