LPC FAQ

讨论

发表问题

Embedded remote procedure call (eRPC)

发帖者发帖时间

0 条回复 7173 次查看

0

0

LPC1347 USB Control Transfer

发帖者发帖时间

0 条回复 4859 次查看

1

0

Where to get LPC mcu ROHS report?

发帖者发帖时间

0 条回复 4812 次查看

0

0

emWin支持哪些编译器/IDE？

发帖者发帖时间于最新发帖

1 条回复 6237 次查看

0

1

How can I verify the configured CAN bitrate, using an oscilloscope?

发帖者发帖时间

0 条回复 5573 次查看

0

0

The CAN controller goes into bus off mode when my application tries to send a CAN message. There is no activity on the CAN bus. Why?

发帖者发帖时间

0 条回复 4973 次查看

0

0

I see error frames on the CAN bus whenever my code starts up, before the CAN controller is initialized. What is a common reason for this?

发帖者发帖时间

0 条回复 6015 次查看

0

0

How can I test the CAN peripheral and driver without a CAN transceiver and CAN bus connected?

发帖者发帖时间

0 条回复 5676 次查看

0

0

Why does CAN0 work and CAN1 not work? Do I need another node to test my code?

发帖者发帖时间

0 条回复 6325 次查看

0

0

Can I wake up the part on CAN bus activity?

发帖者发帖时间

0 条回复 5625 次查看

0

0

What is the difference between error active and error passive?

发帖者发帖时间

0 条回复 13556 次查看

1

0

How do I detect there is no CAN bus connected?

发帖者发帖时间

0 条回复 3404 次查看

0

0

Can I send a message with X/Y/Z bits in the ID?

发帖者发帖时间

0 条回复 85919 次查看

0

0

How is the transmit error counter reset?

发帖者发帖时间

0 条回复 3761 次查看

0

0

What is the sample point for?

发帖者发帖时间

0 条回复 20929 次查看

0

0

How do the error counters work?

发帖者发帖时间

0 条回复 5311 次查看

0

0

What are the benefits of integrated CAN transceivers?

发帖者发帖时间

0 条回复 2498 次查看

0

0

What is CAN-FD?

发帖者发帖时间

0 条回复 3858 次查看

0

0

How to detect and handle bus off?

发帖者发帖时间

0 条回复 7077 次查看

0

0

How does the acknowledge and error detection system work?

发帖者发帖时间

0 条回复 3223 次查看

0

0

Why are no messages being transmitted?

发帖者发帖时间

0 条回复 2695 次查看

0

0

Why are no messages being received?

发帖者发帖时间

0 条回复 2563 次查看

0

0

How to calculate BRP for specific clock frequency and specific bit rate?

发帖者发帖时间

0 条回复 5183 次查看

0

0

How to autobaud. I.e how to measure the bit rate of a network?

发帖者发帖时间

0 条回复 2777 次查看

0

0

LPC2300 and LPC2400 Rev B to Rev D change Ethernet and Code execution

发帖者发帖时间于最新发帖

1 条回复 3778 次查看

0

1

运行于恩智浦微控制器的emWin软件是否做了优化？

发帖者发帖时间

0 条回复 4218 次查看

0

0

运行emWin需要使用多少内存？

发帖者发帖时间

0 条回复 8637 次查看

0

0

运行于恩智浦微控制器的emWin软件是否做了优化？

发帖者发帖时间

0 条回复 4476 次查看

0

0

试用恩智浦微控制器的客户如何获得emWin软件？

发帖者发帖时间

0 条回复 2689 次查看

0

0

获得免费许可的emWin软件能否用于不具有LCD控制器的恩智浦MCU？比如那些具有使用其自身帧缓冲区的LCD面板的MCU？

发帖者发帖时间

0 条回复 3218 次查看

0

0

生成Swim兼容的字体文件

发帖者发帖时间

0 条回复 2316 次查看

0

0

有关lpc1788的u-boot-2011.06！

发帖者发帖时间

0 条回复 2255 次查看

0

0

是否有emWin可用的板支持包（BSP）？

发帖者发帖时间

0 条回复 2581 次查看

0

0

我如何收到emWin软件的更新通知？

发帖者发帖时间

0 条回复 3198 次查看

0

0

我可以获得emWin的源代码吗？

发帖者发帖时间

0 条回复 2149 次查看

0

0

我可以在LPC1788的uCLinux中将emWin用作图形显示库吗？

发帖者发帖时间

0 条回复 2339 次查看

0

0

对emWin的开源应用是否有限制？

发帖者发帖时间

0 条回复 4002 次查看

0

0

如果我不使用RTOS，emWin还能否作为一个独立库使用？

发帖者发帖时间

0 条回复 2574 次查看

0

0

如何在emWin库中编写一个新的驱动来支持新的LCD面板？

发帖者发帖时间

0 条回复 2247 次查看

0

0

哪些恩智浦微控制器可获得免费emWin许可？

发帖者发帖时间

0 条回复 2243 次查看

0

0

免费使用emWin有什么限制？

发帖者发帖时间

0 条回复 3557 次查看

0

0

使用emWin需要签订什么许可吗？

发帖者发帖时间

0 条回复 2715 次查看

0

0

emWin软件是如何集成在恩智浦开发板上的？

发帖者发帖时间

0 条回复 3347 次查看

0

0

emWin是否支持触控面板？

发帖者发帖时间

0 条回复 3626 次查看

0

0

emWin是否支持亚洲/俄罗斯/希腊或其他语言的字体？

发帖者发帖时间

0 条回复 3398 次查看

0

0

emWin是否包含一个模拟器，让图形设计人员可以在无评估板的情况下进行设计？

发帖者发帖时间

0 条回复 2758 次查看

0

0

emWin支持的最大显示分辨率是多少？

发帖者发帖时间

0 条回复 2393 次查看

0

0

Is there any G.729 codec implemented for any Cortex-M3 cores?

发帖者发帖时间

0 条回复 2401 次查看

0

0

If the LCD controller has a lower priority on the EMC bus, refreshes will be stalled. How noticable is this on the screen?

发帖者发帖时间于最新发帖

1 条回复 3304 次查看

0

1

LPCOpen debug input/output support

发帖者发帖时间于最新发帖

5 条回复 16855 次查看

2

5

How can I change the orientation (landscape/portrait) of a SWIM project?

发帖者发帖时间

0 条回复 2049 次查看

0

0

Is the LPC1788 pin compatible with the LCP2478?

发帖者发帖时间

0 条回复 2461 次查看

0

0

How is the LPC2478 32-bit External Memory Controller different than the LPC1788 32-bit External Memory Controller?

发帖者发帖时间于最新发帖

1 条回复 3020 次查看

0

1

about the u-boot-2011.06 for lpc1788!

发帖者发帖时间

0 条回复 2234 次查看

0

0

Where can I find more information regarding the LPC175x/6x Flash erase/program time?

发帖者发帖时间

0 条回复 1609 次查看

0

0

Which Cortex-M CPU revision is implemented in NXP microcontrollers?

发帖者发帖时间

0 条回复 3498 次查看

1

0

Will an increase in clock speed show up in the current-drain of any of the low-power modes?

发帖者发帖时间

0 条回复 2272 次查看

0

0

We are using a voltage divider circuit to the ADC Vref, but seeing a leakage resistance to ground. Is it safe?

发帖者发帖时间

0 条回复 2376 次查看

0

0

What are the various ways the LPC17xx can be woken up from a low power mode?

发帖者发帖时间

0 条回复 2474 次查看

1

0

What is the importance of the internal regulators on LPC176x? Specifically, what is the accuracy of the internal regulators?

发帖者发帖时间

0 条回复 2326 次查看

0

0

What is the maximum toggle rate on external SPI/SSP pins for LPC17xx?

发帖者发帖时间

0 条回复 2207 次查看

0

0

What is the required accuracy for the regulator input to the LPC17xx?

发帖者发帖时间

0 条回复 2139 次查看

0

0

What is the significance of Ethernet Symbol Error bit on LPC1768 in Receive Status Information in the User’s Manual? The description of this bit states that “The PHY reports a bit error over the PHY interface during reception

发帖者发帖时间

0 条回复 3317 次查看

0

0

When using RTC, where should I tie VSSA and VSS on 17xx?

发帖者发帖时间

0 条回复 2115 次查看

0

0

The static current measurement on VDDA of LPC175x is around 2mA when ADC 12bit is enabled. Is this normal?

发帖者发帖时间

0 条回复 1962 次查看

0

0

In the case where a UART Framing error occurs, is it possible to Reset/Restart the UART core after detecting this Framing error?

发帖者发帖时间

0 条回复 2651 次查看

0

0

Is possible to reset a Cortex-M3 microcontroller in software?

发帖者发帖时间

0 条回复 2052 次查看

0

0

Is there a feature to do error correction for UARTs on LPC17xx?

发帖者发帖时间

0 条回复 2040 次查看

0

0

Is there a number we can use for uA/MHz on the LPC17xx? I am currently running at 25MHz, and would want to increase to approximately 48MHz, but I am not sure how current-drain will be impacted.

发帖者发帖时间

0 条回复 1874 次查看

0

0

Is there a power supply sequence for LPC17xx?

发帖者发帖时间

0 条回复 1696 次查看

0

0

Is there an LPC17xx IAP example?

发帖者发帖时间

0 条回复 2331 次查看

0

0

Has FatFS been ported to the LPC17xx?

发帖者发帖时间

0 条回复 2424 次查看

0

0

How can software detect that the external oscillator does not work, and it should use the internal RC oscillator instead, and report this as an error?

发帖者发帖时间

0 条回复 1864 次查看

0

0

How long can short-circuit output current flow before damaging the microcontroller?

发帖者发帖时间

0 条回复 1815 次查看

0

0

How should the VBAT and RTCX1 pins on LPC17xx be configured when the RTC is not used?

发帖者发帖时间

0 条回复 2237 次查看

0

0

I have an LPCXpresso LPC1768 board. Can I use OpenOCD to debug the target?

发帖者发帖时间

0 条回复 1713 次查看

0

0

I need BSDL files for 176x / 175x. Where can I find one?

发帖者发帖时间

0 条回复 1514 次查看

0

0

Does the LPC17xx family of microcontrollers comply with IEC60335 safety standards?

发帖者发帖时间

0 条回复 1426 次查看

0

0

Does CRP restrict IAP Flash entry points, i.e. can the application program the Flash even when CRP is enabled?

发帖者发帖时间

0 条回复 1463 次查看

0

0

Do you have a secondary USB bootloader for LPC17xx?

发帖者发帖时间

0 条回复 2368 次查看

0

0

Do the typical Brown-out Detection (BOD) voltages have any tolerance?

发帖者发帖时间

0 条回复 1557 次查看

0

0

Do the CAN controllers on LPC17xx have a Time Stamp function?

发帖者发帖时间

0 条回复 1523 次查看

0

0

DMAReqSel on LPC17xx indicates UART0/MAT0.0, can both be used simultaneously to trigger a DMA request?

发帖者发帖时间

0 条回复 1987 次查看

0

0

Can the TC register and MRn register be written to while the timer is running?

发帖者发帖时间

0 条回复 1744 次查看

0

0

Can the RTC output be used for PLL0 input?

发帖者发帖时间

0 条回复 1915 次查看

0

0

An LPC1751 is programmed using CRP1, but Flash Magic (http://www.flashmagictool.com/) shows the CRP is disabled and can read the memory contents.

发帖者发帖时间

0 条回复 1363 次查看

0

0

Is there any port for an NXP Cortex evaluation board that support the .Net Micro Framework? Is NXP or any third party supporting the .NET Micro Framework?

发帖者发帖时间于最新发帖

1 条回复 1820 次查看

0

1

Why the USB Secondary Boot Loader from AN10866 doesn't work on Linux / Mac PCs ?

发帖者发帖时间

0 条回复 2402 次查看

0

0

Is there any G.729 codec implemented for any Cortex-M3 cores?

发帖者发帖时间

0 条回复 2200 次查看

0

0

Do the LPC17xx and LPC18xx have USB Flash loader like the LPC1343?

发帖者发帖时间

0 条回复 2064 次查看

0

0

Are there any DSP libraries available for the Cortex-M3 microcontrollers?

发帖者发帖时间

0 条回复 2407 次查看

0

0

When I start debugging (using LPCXpresso, Keil, IAR), I noticed that my program started in the bootROM area (0x1FFF_xxxx) although the program download is done and verification is correct

发帖者发帖时间

0 条回复 2327 次查看

0

0

The datasheet mentions that the SCL0 and SDA0 pins require external pull-ups regardless of PINMODE / IOCONF / PINSEL configuration. But on SCL1, SDA1, SCL2, and SDA2 look to be able to use an internal pull-up ?

发帖者发帖时间

0 条回复 2374 次查看

0

0

How do I configure Lpcxpresso to place code in RAM?

发帖者发帖时间

0 条回复 2354 次查看

1

0

What platforms are supported by LPCXpresso?

发帖者发帖时间于最新发帖

1 条回复 3460 次查看

0

1

The datasheet mentions the I/O pins are 5V tolerant if Vdd is present. Can you explain in detail what this implies?

发帖者发帖时间

0 条回复 3187 次查看

0

0

How to calculate the value of crystal load capacitors?

发帖者发帖时间于最新发帖

2 条回复 181641 次查看

0

2

After a software reset like WD reset, BOD reset, is the SRAM content retained?

发帖者发帖时间于最新发帖

1 条回复 3294 次查看

0

1

What are the Code Read Protect (CRP) levels on the LPC17xx?

发帖者发帖时间

0 条回复 5100 次查看

1

0

How many breakpoints and watchpoints are supported on LPC17xx and other Cortex-M3 devices?

发帖者发帖时间

0 条回复 2070 次查看

0

0

When using LPC23xx or LPC24xx Rev B silicon, the Ethernet worked fine, however, when we switched to Rev D silicon, the Ethernet interface is no longer working.

发帖者发帖时间

0 条回复 2093 次查看

0

0

Is it possible to use both the USB device and Ethernet on LPC1758, since MDIO and USB_connect are shared? Is there a possible workaround?

发帖者发帖时间

0 条回复 2200 次查看

0

0

How can I identify the Ethernet MAC ID to differentiate between 23xx/24xx/17xx?

发帖者发帖时间

0 条回复 1845 次查看

0

0

Ethernet operation when the MAC is operated at a tenth (5MHz) of the expected speed.

发帖者发帖时间

0 条回复 1954 次查看

0

0

Are there Ethernet bootloaders available for LPC1700 and LPC2300/2400? If so, where can I find it?

发帖者发帖时间

0 条回复 2074 次查看

0

0

Is anything about the emWin software optimized to run on NXP microcontrollers?

发帖者发帖时间

0 条回复 1784 次查看

0

0

How much memory will be used running emWin?

发帖者发帖时间

0 条回复 2186 次查看

0

0

Who will provide the emWin software support? NXP or Segger?

发帖者发帖时间

0 条回复 1870 次查看

0

0

How does a customer evaluating an NXP MCU get access to the emWin software?

发帖者发帖时间

0 条回复 1328 次查看

0

0

Can the free licensed emWin software be used with NXP MCUs that do not have an LCD controller, i.e. with LCD Panels with their own frame buffers?

发帖者发帖时间

0 条回复 1759 次查看

0

0

Where can I find SWIM-compatible fonts?

发帖者发帖时间

0 条回复 1968 次查看

0

0

How do I receive notification of updates to the emWin software?

发帖者发帖时间

0 条回复 1662 次查看

0

0

Can I get the emWin source code?

发帖者发帖时间

0 条回复 3089 次查看

0

0

Can I use emWin as a graphic display library in uCLinux on LPC1788?

发帖者发帖时间

0 条回复 1906 次查看

0

0

If I don’t use an RTOS, can emWin still work as a standalone library?

发帖者发帖时间于最新发帖

1 条回复 2390 次查看

0

1

How do you write a new driver in the emWin library to support a new LCD panel?

发帖者发帖时间

0 条回复 1467 次查看

0

0

Is the emWin license available for all NXP Microcontrollers?

发帖者发帖时间

0 条回复 1444 次查看

0

0

What are the limitations for using emWin for free?

发帖者发帖时间

0 条回复 1400 次查看

0

0

For emWin, are there any licenses to be signed?

发帖者发帖时间

0 条回复 1333 次查看

0

0

Will using a 16-bit external bus be too slow for LCD, causing tearing to occur?

发帖者发帖时间

0 条回复 2035 次查看

0

0

Why are all my colors wrong in SWIM?

发帖者发帖时间

0 条回复 1685 次查看

0

0

Which Compilers/IDEs does emWin support ?

发帖者发帖时间

0 条回复 1510 次查看

0

0

What is the maximum display resolution that emWin can support?

发帖者发帖时间

0 条回复 3235 次查看

0

0

What exactly is SWIM?

发帖者发帖时间

0 条回复 1916 次查看

0

0

Is there dedicated on-board SRAM memory specifically for the frame buffer?

发帖者发帖时间

0 条回复 2006 次查看

0

0

Is there a list of TFT LCD alternatives to the development kit's LCD?

发帖者发帖时间

0 条回复 1599 次查看

0

0

Is the LCD DMA located in the LCD macrocell or the GP DMA ?

发帖者发帖时间

0 条回复 1925 次查看

0

0

Is the frame buffer inside the 1788 or in an external device?

发帖者发帖时间

0 条回复 1561 次查看

0

0

Is it feasible to run the LPC1788 at 1024x768 at 24bpp? Or, does the bus width mitigate the maximum resolution at 24bpp and/or maximum color depth at 1024x768?

发帖者发帖时间

0 条回复 1383 次查看

0

0

If we use OLED LCDs, will the interface would be the same?

发帖者发帖时间

0 条回复 1478 次查看

0

0

How to use touchscreen support of LCD Logicpd 4.3'' WQVGA and LPC1850?

发帖者发帖时间

0 条回复 2236 次查看

0

0

How to use swim_put_image function in the code?

发帖者发帖时间

0 条回复 2182 次查看

0

0

How is the emWin software being incorporated into the NXP development boards?

发帖者发帖时间

0 条回复 1589 次查看

0

0

Does emWin support touch panels?

发帖者发帖时间

0 条回复 1714 次查看

0

0

Does emWin support Asian/Russian/Greek or other language fonts?

发帖者发帖时间

0 条回复 1632 次查看

0

0

Does emWin include a simulator which graphic designer can design without evaluation board?

发帖者发帖时间

0 条回复 1772 次查看

0

0

Do you have size limit or memory size calculator to help set the size of the frame buffer?

发帖者发帖时间

0 条回复 5301 次查看

0

0

Assuming I am using the EMC for both accessing the LCD buffer and external flash, where I have my executable code stored, how will execution time be affected?

发帖者发帖时间

0 条回复 1774 次查看

0

0

Are there restrictions with emWin on open source usage?

发帖者发帖时间

0 条回复 1790 次查看

0

0

Are there Board Support Packages (BSP’s) available for emWin?

发帖者发帖时间

0 条回复 1784 次查看

0

0

Are the LCD controller signals LVDS?

发帖者发帖时间

0 条回复 2174 次查看

0

0

Is the LCD DMA a gather scatter DMA ? Where is it located exactly ?

发帖者发帖时间

0 条回复 2440 次查看

0

0

What can be done to improve the accuracy of ADC readings?

发帖者发帖时间

0 条回复 2247 次查看

0

0

Is there a Signal-to-Noise Ratio (SNR) specification for the LPC1700 ADC?

发帖者发帖时间

0 条回复 2165 次查看

0

0

Is it possible to sample two analog signals at the same time on a Cortex-M3 device?

发帖者发帖时间

0 条回复 2548 次查看

0

0

"Malloc failure" using FreeRTOS heap3.c with LPCXpresso tool chain

发帖者发帖时间

0 条回复 2742 次查看

0

0

How are LPCOpen releases named?

发帖者发帖时间

0 条回复 2202 次查看

0

0

How do I port LPCOpen to a new board?

发帖者发帖时间

0 条回复 5460 次查看

1

0

How do LPCOpen applications handle system startup?

发帖者发帖时间

0 条回复 6247 次查看

2

0

How to enable "Long File Name" support in FAT file system included with LPCOpen?

发帖者发帖时间

0 条回复 15477 次查看

1

0

How to run Multicore examples provided in LPCOpen LPC43xx packages?

发帖者发帖时间

0 条回复 4024 次查看

0

0

How to use SCT as a standard PWM using LPCOpen?

发帖者发帖时间

0 条回复 5393 次查看

0

0

What include paths, library paths, and sources files do I need for a LPCOpen project?

发帖者发帖时间

0 条回复 6555 次查看

0

0

What is the best way to develop with LPCopen to avoid change impact to LPCopen version updates?

发帖者发帖时间

0 条回复 2782 次查看

0

0