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PCA9665D 数据表(PDF) 3 Page - NXP Semiconductors

部件名 PCA9665D
功能描述  Fm parallel bus to I2C-bus controller
PDF  91 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

PCA9665D 数据表(HTML) 3 Page - NXP Semiconductors

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PCA9665_2
© NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 7 December 2006
3 of 91
NXP Semiconductors
PCA9665
Fm+ parallel bus to I2C-bus controller
5.
Block diagram
Fig 1.
Block diagram of PCA9665
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
I2CDAT – data register – read/write
BUS BUFFER
SDA CONTROL
AA ENSIO STA STO SI
SCL CONTROL
ENSIO STA STO SI
FILTER
PCA9665
SDA
SCL
–
–
–
–
–
IP2
IP1
IP0
INDPTR – indirect address pointer – write only
ST5
ST4
ST3
ST2
ST1
ST0
0
0
I2CSTA – status register – read only
AA
ENSIO
STA
STO
SI
MODE
I2CCON – control register – read/write
CLOCK SELECTOR
OSCILLATOR
CONTROL BLOCK
CE
WR
RD
INT
RESET
A1
A0
VDD
A1
A0
01
00
00
11
INTERRUPT CONTROL
POWER-ON
RESET
D7
D6
D5
D4
D3
D2
D1
D0
data
FILTER
control signals
002aab023
BIT7
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
INDIRECT – indirect register access – read/write
10
direct registers
AD7
AD6
AD5
AD4
AD3
AD2
AD1
GC
I2CADR – own address – read/write
L7
L6
L5
L4
L3
L2
L1
L0
I2CSCLL – SCL LOW period – read/write
H7
H6
H5
H4
H3
H2
H1
H0
I2CSCLH – SCL HIGH period – read/write
TE
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
I2CTO – TIMEOUT register – read/write
indirect registers
00h
01h
02h
03h
INDPTR
LB
BC6
BC5
BC2
BC1
BC0
I2CCOUNT – byte count – read/write
BC4
BC3
IR7
IR6
IR5
IR4
IR3
IR2
IR1
IR0
I2CPRESET – software reset register – write only
04h
05h
–
–
–
AC0
I2CMODE – I2C-bus mode register – read/write
–––
––
AC1
06h
68-BYTE
BUFFER



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