參數(shù)資料
型號: LPC2365FBD100
廠商: NXP Semiconductors N.V.
元件分類: 數(shù)學處理器
英文描述: ARM7 with 256 kB flash, 58 kB SRAM, Ethernet and 10-bit ADC
封裝: LPC2365FBD100<SOT407-1 (LQFP100)|<<http://www.nxp.com/packages/SOT407-1.html<1<Always Pb-free,;
文件頁數(shù): 8/12頁
文件大小: 170K
代理商: LPC2365FBD100
ES_LPC2365
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Errata sheet
Rev. 6 — 20 April 2011
8 of 12
NXP Semiconductors
ES_LPC2365
Errata sheet LPC2365
3.7 VBAT.2: The VBAT pin cannot be left floating
Introduction:
The device has a VBAT pin which provides power only to the Real Time Clock (RTC) and
Battery RAM. VBAT can be connected to a battery or the same supply used by rest of the
device (V
DD(3V3)
pin, V
DD(DCDC)(3V3)
pin). The input voltage range on the VBAT pin is 2.0 V
minimum to 3.6 V maximum for temperature
40
C to +85
C. Normally, if the RTC and
the Battery RAM are not used, the VBAT pin can be left floating.
Problem:
If the VBAT pin is left floating, the internal reset signal within the RTC domain may get
corrupted and as a result, prevents the device from starting-up.
Work-around:
The VBAT should be connected to a battery or the same supply used by rest of the device
(V
DD(3V3)
pin, V
DD(DCDC)(3V3)
pin).
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