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PCA9665D Datasheet(PDF) 7 Page - NXP Semiconductors

Part # PCA9665D
Description  Fm parallel bus to I2C-bus controller
PDF  91 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCA9665D Datasheet(HTML) 7 Page - NXP Semiconductors

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PCA9665_2
© NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 7 December 2006
7 of 91
NXP Semiconductors
PCA9665
Fm+ parallel bus to I2C-bus controller
Table 4.
Indirect register selection by setting A1 = 1 and A0 = 0
Register name
Register function
INDPTR
Read/Write
Default
I2CCOUNT
byte count
00h
R/W
01h
I2CADR
own address
01h
R/W
E0h
I2CSCLL
SCL LOW period
02h
R/W
9Dh
I2CSCLH
SCL HIGH period
03h
R/W
86h
I2CTO
time-out
04h
R/W
FFh
I2CPRESET
parallel software reset
05h
W
00h
I2CMODE
I2C-bus mode
06h
R/W
00h
Fig 6.
Register mapping flowchart
002aab459
I2CSTA REGISTER
A1 A0 = 00
read?
yes
no
INDPTR REGISTER
A1 A0 = 00
write?
yes
no
A1 A0 = 10
read/write?
yes
no
INDPTR = 00h
?
yes
I2CCOUNT REGISTER
A1 A0 = 01
read/write?
no
INDPTR = 01h
?
yes
I2CADR REGISTER
I2CDAT REGISTER
yes
A1 A0 = 11
read/write?
INDPTR = 02h
?
yes
I2CSCLL REGISTER
I2CCON REGISTER
yes
INDPTR = 03h
?
yes
I2CSCLH REGISTER
no
no
no
no
INDPTR = 04h
?
yes
I2CTO REGISTER
no
INDPTR = 05h
?
yes
I2CPRESET REGISTER
no
INDPTR = 06h
?
yes
I2CMODE REGISTER
no
RESERVED
(write only)



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