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PCF2127AT/1 数据表(PDF) 53 Page - NXP Semiconductors

部件名 PCF2127AT/1
功能描述  Integrated RTC, TCXO and quartz crystal
PDF  80 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCF2127AT/1 数据表(HTML) 53 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
53 of 80
NXP Semiconductors
PCF2127A
Integrated RTC, TCXO and quartz crystal
Fig 31. STOP bit functional diagram
001aaj342
OSC
32768 Hz
F0
16384 Hz
F1
8192 Hz
F2
4096 Hz
128 Hz
F8
RES
F9
64 Hz
RES
F10
LOWER PRESCALER
UPPER PRESCALER
RES
F13
RES
stop
1 Hz tick
F14
Fig 32. STOP bit release timing
001aaj343
0 ms - 15.625 ms
64 Hz
stop released



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