PCA9665D NXP [NXP Semiconductors], PCA9665D Datasheet - Page 7

• Manufacturer Part Number: PCA9665D
• Description: Fm+ parallel bus to I2C-bus controller
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCA9665_3
Product data sheet
Table 4.
Register name
I2CCOUNT
I2CADR
I2CSCLL
I2CSCLH
I2CTO
I2CPRESET
I2CMODE
Fig 6.
Register mapping flowchart
Indirect register selection by setting A1 = 1 and A0 = 0
A1 A0 = 00
A1 A0 = 00
A1 A0 = 10
read/write?
A1 A0 = 01
read/write?
A1 A0 = 11
read/write?
read?
write?
no
no
no
no
Register function
byte count
own address
SCL LOW period
SCL HIGH period
time-out
parallel software reset
I
2
C-bus mode
Rev. 03 — 12 August 2008
yes
yes
yes
yes
yes
INDPTR REGISTER
I2CCON REGISTER
I2CSTA REGISTER
I2CDAT REGISTER
INDPTR = 00h
INDPTR = 01h
INDPTR = 02h
INDPTR = 03h
INDPTR = 04h
INDPTR = 05h
INDPTR = 06h
RESERVED
INDPTR
00h
01h
02h
03h
04h
05h
06h
?
?
?
?
?
?
?
no
no
no
no
no
no
no
Fm+ parallel bus to I
yes
yes
yes
yes
yes
yes
yes
Read/Write
R/W
R/W
R/W
R/W
R/W
W
R/W
I2CPRESET REGISTER
I2CCOUNT REGISTER
I2CMODE REGISTER
I2CSCLH REGISTER
I2CSCLL REGISTER
I2CADR REGISTER
I2CTO REGISTER
(write only)
PCA9665
© NXP B.V. 2008. All rights reserved.
2
002aab459
C-bus controller
Default
01h
E0h
9Dh
86h
FFh
00h
00h
7 of 90