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PCF8584P датащи(PDF) 4 Page - NXP Semiconductors

номер детали PCF8584P
подробное описание детали  I2C-bus controller
PDF  40 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF8584P датащи(HTML) 4 Page - NXP Semiconductors

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1997 Oct 21
4
Philips Semiconductors
Product specification
I2C-bus controller
PCF8584
4
BLOCK DIAGRAM
Fig.1 Block diagram.
(1) X = don’t care.
(2) Pin mnemonics between parenthesis indicate the 68000 mode pin designations.
(3) These pin mnemonics represent the long-distance mode pin designations.
handbook, full pagewidth
MBD908 - 1
DB6
DB7
DB5
DB4
DB3
DB2
DB1
DB0
14
15
13
12
11
9
8
7
READ BUFFER
SHIFT REGISTER
DATA SHIFT REGISTER S0 AND READ BUFFER
write
only
8
MSB
MSB
LSB
COMPARATOR S0, S0'
OWN ADDRESS S0'
X
8
INTERRUPT VECTOR S3
8
CLOCK REGISTER S2
8
S20
S21
S22
S23
S24
0
0
0
CLOCK REGISTER S2
8
ACK
STO
STA
ENI
ES2
ES1
ES0
PIN
REGISTER S1
CONTROL STATUS
BB
LAB
AAS
AD0/
LRB
BER
STS
0
PIN
write only
read only
REGISTER ACCESS CONTROL
BUS BUFFER CONTROL
INTERRUPT CONTROL
RESET/STROBE CONTROL
INT
SCL OUT
IACK
SDA IN
CLK
54
1
VV
DD
SS
20
10
DATA CONTROL
DIGITAL
FILTER
SDA/
SDA OUT
2
SCL CONTROL
DIGITAL
FILTER
SCL/
SCL IN
3
PCF8584
RESET/
CS
A0
19
17
6
STROBE
(O.C.)
WR (R/W)
18
RD (DTACK)
16
CLOCK PRESCALER
SCL MULTIPLEXER
BUS BUSY LOGIC
ARBITRATION LOGIC
X
PARALLEL BUS
CONTROL STATUS REGISTER S1
read
only
(1)
(1)
(3)
(3)
(2)
(2)
(3)
(3)
PARALLEL BUS CONTROL
default: 00H 80XX
0FH 68XXX



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