參數(shù)資料
型號: EA-QSB-012
廠商: Embedded Artists
文件頁數(shù): 60/74頁
文件大?。?/td> 0K
描述: BOARD QUICK START LPC1343
標(biāo)準包裝: 1
系列: LPC13xx
類型: MCU
適用于相關(guān)產(chǎn)品: LPC1343
所含物品:
LPC1311_13_42_43
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 5 — 6 June 2012
63 of 74
NXP Semiconductors
LPC1311/13/42/43
32-bit ARM Cortex-M3 microcontroller
11.5 Reset pad configuration
11.6 ADC usage notes
The following guidelines show how to increase the performance of the ADC in a noisy
environment beyond the ADC specifications listed in Table 8:
The ADC input trace must be short and as close as possible to the LPC1311/13/42/43
chip.
The ADC input traces must be shielded from fast switching digital signals and noisy
power supply lines.
Because the ADC and the digital core share the same power supply, the power supply
line must be adequately filtered.
To improve the ADC performance in a very noisy environment, put the device in Sleep
mode during the ADC conversion.
Fig 37. Reset pad configuration
VSS
reset
002aaf274
VDD
Rpu
ESD
20 ns RC
GLITCH FILTER
PIN
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