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PCF2127AT/1 데이터시트(PDF) 3 Page - NXP Semiconductors

부품명 PCF2127AT/1
상세설명  Integrated RTC, TCXO and quartz crystal
PDF  80 Pages
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF2127AT/1 데이터시트(HTML) 3 Page - NXP Semiconductors

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PCF2127A_2
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 02 — 7 May 2010
3 of 80
NXP Semiconductors
PCF2127A
Integrated RTC, TCXO and quartz crystal
6.
Block diagram
Fig 1.
Block diagram of PCF2127A
001aaj675
TEST
PFO
SCL
SCL
SDO
TEMP
1.25 V
(internal)
SDI
VDD
BBS
VBAT
VSS
internal
power
supply
RST
SDI
SDO
CLKOUT
INT
OSCI
OSCO
TEMP
1 Hz
32.768 kHz
TCXO
BATTERY BACK UP
SWITCH-OVER
CIRCUITRY
OSCILLATOR
MONITOR
SERIAL BUS
INTERFACE
SELECTOR
SPI-BUS
INTERFACE
I2C-BUS
INTERFACE
512 BYTES
STATIC RAM
TEMPERATURE
SENSOR
RESET
LOGIC
CONTROL
DIVIDER
AND
TIMER
ADDRESS
REGISTER
Control_1
Control_2
Control_3
00h
01h
02h
Seconds
03h
Minutes
04h
Hours
05h
Days
06h
Weekdays
07h
Months
08h
Years
09h
Second_alarm
0Ah
Minute_alarm
0Bh
Hour_alarm
0Ch
Day_alarm
0Dh
Weekday_alarm
0Eh
CLKOUT_ctl
0Fh
Watchdg_tim_ctl
10h
Watchdg_tim_val
11h
Timestp_ctl
12h
Sec_timestp
13h
Min_timestp
14h
Hour_timestp
15h
Day_timestp
16h
Mon_timestp
17h
Year_timestp
18h
Aging_offset
19h
RAM_addr_MSB
1Ah
RAM_addr_LSB
1Bh
RAM_wrt_cmd
1Ch
RAM_rd_cmd
1Dh
SDA/CE
IFS
PFI
TS
SDA/CE
PCF2127A
RPU



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