參數(shù)資料
型號： LPC1224FBD48
廠商： NXP Semiconductors N.V.
元件分類： 數(shù)學(xué)處理器
英文描述： Cortex-M0 with up to 48 kB flash, 4 kB SRAM, RTC, comparator, 10-bit ADC, CRC, DMA and more
中文描述： Cortex-MO，最大48kB 閃存，4kB靜態(tài)隨機(jī)存儲器，時鐘芯片，比較器，10位ADC,CRC檢測，內(nèi)存直接存取
封裝： LPC1224FBD48/101<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2.html<1<Always Pb-free,;LPC1224FBD48/221<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2
文件頁數(shù)： 50/61頁
文件大?。?/td> 480K
代理商： LPC1224FBD48
LPC122X
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 26 August 2011
50 of 61
NXP Semiconductors
LPC122x
32-bit ARM Cortex-M0 microcontroller
12. Application information
12.1 XTAL input
The input voltage to the on-chip oscillators is limited to 1.8 V. If the oscillator is driven by a
clock in slave mode, it is recommended that the input be coupled through a capacitor with
C
i
= 100 pF. To limit the input voltage to the specified range, choose an additional
capacitor to ground C
g
which attenuates the input voltage by a factor C
i
/(C
i
+ C
g
). In slave
mode, a minimum of 200 mV(RMS) is needed.
12.2 XTAL Printed Circuit Board (PCB) layout guidelines
The crystal should be connected on the PCB as close as possible to the oscillator input
and output pins of the chip. Take care that the load capacitors C
x1
,C
x2
, and C
x3
in case of
third overtone crystal usage have a common ground plane. The external components
must also be connected to the ground plain. Loops must be made as small as possible in
order to keep the noise coupled in via the PCB as small as possible. Also parasitics
should stay as small as possible. Values of C
x1
and C
x2
should be chosen smaller
accordingly to the increase in parasitics of the PCB layout.
Fig 24. Slave mode operation of the on-chip oscillator
LPC1xxx
XTALIN
Ci
100 pF
Cg
002aae788
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LPC1224FBD48/101 制造商:NXP Semiconductors 功能描述:MCU 32K FLASH CORTEX-M0 48LQFP 制造商:NXP Semiconductors 功能描述:MCU, 32K FLASH, CORTEX-M0, 48LQFP 制造商:NXP Semiconductors 功能描述:MCU, 32K FLASH, CORTEX-M0, 48LQFP; Controller Family/Series:LPC1200; Core Size:32bit; No. of I/O's:39; Supply Voltage Min:3V; Supply Voltage Max:3.6V; Digital IC Case Style:LQFP; No. of Pins:48; Program Memory Size:32KB; RAM Memory ;RoHS Compliant: Yes
LPC1224FBD48/101,1 功能描述:ARM微控制器 - MCU CORTEX M0 32K FL 4K DMA CRC ADC COMPARTR RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT
LPC1224FBD48/101,151 制造商:NXP Semiconductors 功能描述:Bulk
LPC1224FBD48/1011 制造商:NXP Semiconductors 功能描述:LPC1224FBD48/LQFP48/TRAYB//101
LPC1224FBD48/121 制造商:NXP Semiconductors 功能描述:MCU 48K FLASH CORTEX-M0 48LQFP 制造商:NXP Semiconductors 功能描述:MCU, 48K FLASH, CORTEX-M0, 48LQFP 制造商:NXP Semiconductors 功能描述:MCU, 48K FLASH, CORTEX-M0, 48LQFP; Controller Family/Series:LPC1200; Core Size:32bit; No. of I/O's:39; Supply Voltage Min:3V; Supply Voltage Max:3.6V; Digital IC Case Style:LQFP; No. of Pins:48; Program Memory Size:48KB; RAM Memory ;RoHS Compliant: Yes
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