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PCA2125 Datasheet(PDF) 2 Page - NXP Semiconductors

Part # PCA2125
Description  SPI Real-time clock/calendar
Download  36 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA2125 Datasheet(HTML) 2 Page - NXP Semiconductors

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PCA2125_1
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 28 July 2008
2 of 36
NXP Semiconductors
PCA2125
SPI Real-time clock/calendar
5.
Marking
6.
Block diagram
Table 2.
Marking codes
Type number
Marking code
PCA2125TS
PCA2125
Fig 1.
Block diagram of PCA2125
001aah664
PCA2125
OSCILLATOR
32.768 kHz
DIVIDER
CLOCK OUT
INTERRUPT
CLKOUT
INT
MONITOR
POWER-ON
RESET
WATCH-
DOG
SPI
INTERFACE
OSCI
CE
SCL
SDI
SDO
OSCO
VDD
VSS
TIMER FUNCTION
Timer_control
0Eh
Countdown_timer
0Fh
CONTROL
Control_1
00h
Control_2
01h
CLKOUT_control
0Dh
TIME
Seconds
02h
Minutes
03h
Hours
04h
Days
05h
ALARM FUNCTION
Minute_alarm
09h
Hour_alarm
0Ah
Day_alarm
0Bh
Weekday_alarm
0Ch
Weekdays
06h
Months
07h
Years
08h


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