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參數(shù)資料
| 型號： | OM13032,598 |
| 廠商： | NXP Semiconductors |
| 文件頁數(shù)： | 49/74頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL LPC11U24 |
| 標準包裝： | 1 |
| 類型： | MCU |
| 適用于相關(guān)產(chǎn)品： | LPC11U24 |
| 所含物品： | 板 |
| 其它名稱： | 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
53 of 74
NXP Semiconductors
LPC11U2x
32-bit ARM Cortex-M0 microcontroller
For a bus-powered device, the VBUS signal does not need to be connected to the
USB_VBUS pin (see Figure 28). The USB_CONNECT function can additionally be
connected as shown in Figure 27 to prevent the USB from timing out when there is a
significant delay between power-up and handling USB traffic.
Remark: When a bus-powered circuit as shown in Figure 28 is used, configure the
PIO0_3/USB_VBUS pin for GPIO (PIO0_3) in the IOCON block to ensure that the
USB_CONNECT signal can still be controlled by software. For details on the soft-connect
feature, see the LPC11U2x user manual (Ref. 1).
Remark: When a self-powered circuit is used without connecting VBUS, configure the
PIO0_3/USB_VBUS pin for GPIO (PIO0_3) and provide software that can detect the host
presence through some other mechanism before enabling USB_CONNECT and the
soft-connect feature. Enabling the soft-connect without host presence will lead to USB
compliance failure.
11.2 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
Ci = 100 pF. To limit the input voltage to the specified range, choose an additional
capacitor to ground Cg which attenuates the input voltage by a factor Ci/(Ci + Cg). In slave
mode, a minimum of 200 mV (RMS) is needed.
Fig 28. USB interface on a bus-powered device
LPC1xxx
VDD
R1
1.5 kΩ
aaa-010179
USB-B
connector
USB_DP
USB_DM
VSS
RS = 33 Ω
REGULATOR
VBUS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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:開發(fā)板和工具包 - ARM NGX LPC11U24 Eval Board RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓: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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