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PCF8593 Datasheet(PDF) 4 Page - NXP Semiconductors

Part # PCF8593
Description  Low power clock/calendar
PDF  28 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF8593 Datasheet(HTML) 4 Page - NXP Semiconductors

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1997 Mar 25
4
Philips Semiconductors
Product specification
Low power clock/calendar
PCF8593
5 BLOCK DIAGRAM
handbook, full pagewidth
MBD808
control/status
hundredths of a second
seconds
minutes
hours
year/date
weekdays/months
timer
alarm control
alarm registers
or RAM
DIVIDER
1 : 256
100 : 128
100 Hz
OSCILLATOR
32.768 kHz
CONTROL
LOGIC
RESET
ADDRESS
REGISTER
OSCI
OSCO
INT
SCL
SDA
PCF8593
0F
08
07
01
00
I C-BUS
INTERFACE
2
RESET
VSS
VDD
1
2
7
3
6
5
8
4
Fig.1 Block diagram.
6 PINNING
SYMBOL
PIN
DESCRIPTION
OSCI
1
oscillator input, 50 Hz or event-pulse
input
OSCO
2
oscillator output
RESET
3
reset input (active LOW)
VSS
4
negative supply
SDA
5
serial data input/output
SCL
6
serial clock input
INT
7
open drain interrupt output
(active LOW)
VDD
8
positive supply
Fig.2 Pin configuration.
1
2
3
4
8
7
6
5
PCF8593P
PCF8593T
VSS
OSCI
OSCO
SCL
SDA
VDD
MBD809
INT
RESET



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