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| 型号： | OM13032,598 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 51/74页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL LPC11U24 |
| 标准包装： | 1 |
| 类型： | MCU |
| 适用于相关产品： | LPC11U24 |
| 所含物品： | 板 |
| 其它名称： | 568-8599 |
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LPC11U2X
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2014. All rights reserved.
Product data sheet
Rev. 2.2 — 11 March 2014
55 of 74
NXP Semiconductors
LPC11U2x
32-bit ARM Cortex-M0 microcontroller
11.3 XTAL Printed-Circuit Board (PCB) layout guidelines
Follow these guidelines for PCB layout:
Connect the crystal on the PCB as close as possible to the oscillator input and output
pins of the chip.
Take care that the load capacitors Cx1, Cx2, and Cx3 in case of third overtone crystal
use have a common ground plane.
Connect the external components to the ground plain.
To keep parasitics and the noise coupled in via the PCB as small as possible, keep
loops as small as possible.
Choose smaller values of Cx1 and Cx2 if parasitics of the PCB layout increase.
Table 18.
Recommended values for CX1/CX2 in oscillation mode (crystal and external
components parameters) low frequency mode
Fundamental oscillation
frequency FOSC
Crystal load
capacitance CL
Maximum crystal
series resistance RS
External load
capacitors CX1, CX2
1 MHz to 5 MHz
10 pF
< 300
18 pF, 18 pF
20 pF
< 300
39 pF, 39 pF
30 pF
< 300
57 pF, 57 pF
5 MHz to 10 MHz
10 pF
< 300
18 pF, 18 pF
20 pF
< 200
39 pF, 39 pF
30 pF
< 100
57 pF, 57 pF
10 MHz to 15 MHz
10 pF
< 160
18 pF, 18 pF
20 pF
< 60
39 pF, 39 pF
15 MHz to 20 MHz
10 pF
< 80
18 pF, 18 pF
Table 19.
Recommended values for CX1/CX2 in oscillation mode (crystal and external
components parameters) high frequency mode
Fundamental oscillation
frequency FOSC
Crystal load
capacitance CL
Maximum crystal
series resistance RS
External load
capacitors CX1, CX2
15 MHz to 20 MHz
10 pF
< 180
18 pF, 18 pF
20 pF
< 100
39 pF, 39 pF
20 MHz to 25 MHz
10 pF
< 160
18 pF, 18 pF
20 pF
< 80
39 pF, 39 pF
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相关代理商/技术参数 |
参数描述 |
|---|---|
| OM13033 | 制造商:NXP Semiconductors 功能描述:EVAL ARM NGX LPC11U24 制造商:NXP Semiconductors 功能描述:LPC11U24, NGX, KEIL, EVAL BOARD 制造商:NXP Semiconductors 功能描述:LPC11U24, NGX, KEIL, EVAL BOARD; Silicon Manufacturer:NXP; Core Architecture:ARM; Core Sub-Architecture:Cortex-M0; Silicon Core Number:LPC11xxx; Silicon Family Name:LPC11Uxx; Features:Evaluation Board for LPC11U24 Microcontroller; ;RoHS Compliant: Yes |
| OM13033,598 | 功能描述:开发板和工具包 - ARM NGX LPC11U24 Eval Board RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V |
| OM13033598 | 制造商:NXP Semiconductors 功能描述:EVAL ARM NGX LPC11U24 |
| OM13034,598 | 制造商:NXP Semiconductors 功能描述:EVAL, IAR, LPC1347, J-LINK LITE 制造商:NXP Semiconductors 功能描述:EVAL, IAR, LPC1347, J-LINK LITE, Silicon Manufacturer:NXP, Core Architecture:ARM 制造商:NXP Semiconductors 功能描述:EVAL, IAR, LPC1347, J-LINK LITE, Silicon Manufacturer:NXP, Core Architecture:ARM, Core Sub-Architecture:Cortex-M3, Silicon Core Number:LPC1347, Silicon Family Name:LPC1300, Kit Contents:Evaluation Board for LPC1347 , RoHS Compliant: Yes |
| OM13034598 | 制造商:NXP Semiconductors 功能描述:EVAL IAR LPC1347 J-LINK LITE |
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