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PCA9450 数据表(PDF) 83 Page - NXP Semiconductors

部件名 PCA9450
功能描述  Power management IC for i.MX 8M application processor family
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCA9450 数据表(HTML) 83 Page - NXP Semiconductors

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NXP Semiconductors
PCA9450
Power management IC for i.MX 8M application processor family
PCA9450
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2019. All rights reserved.
Product data sheet
Rev. 1.0 — 19 November 2019
83 / 96
13.16 32 kHz Xtal driver
Table 88. 32 kHz Xtal driver
Unless otherwise specified, VSYS = 3.8 V, VINBx = 3.8 V, VINL1 = 3.8, Tamb= -40 °C ~ +105 °C
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fOSC_32K
Clock frequency
Internal Oscillator
29
32.77
36
kHz
fCLK[1]
Clock frequency
External 32.768 kHz crystal
oscillator
32.768
kHz
tRTCSTB[1]
Oscillator stabilization
time
1000
ms
Duty[1]
Output Duty cycle
External 32.768 kHz crystal
oscillator
30
50
70
%
VOL
Output Low level
IOL = 1 mA
0.4
V
VOH
Output High level
VLDO1 = 1.8 V, IOL = 1 mA
1.6
V
[1]
Guaranteed by design


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