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Posted on March 19, 2013 at 16:07Dear everyone, I met a problem when I try to use the SPI (3.3V) to drive the meganetic isolation ADum2400 which is powered by 5V.The SPI pin are remapped to SPI3 (PC10, PC11, PC12) and the CS pin are remapped to ...
Posted on March 20, 2013 at 20:14Hi,I would like to control keypad through PCF8574, but some problemsare occurring like (reading only one time), and receiving 'ack' even disabled.''http://www.nxp.com/documents/data_sheet/PCF8574.pdf''(see de picture...
Posted on March 20, 2013 at 17:36 I'm having an issue wherein TR and SSR values don't logically match up, on an approximately 1 Hz read cycle where reads occur very close to the RTC update time. I'm perplexed, and almost ready to throw my board o...
Posted on March 20, 2013 at 19:24Hello,I have a problem while trying to flash a *.bin file into my STM32L-Discovery board.The following error is shown:./flash/st-flash write /Users/jaspervandenakker/Documents/stm32l-discovery-projects/workspace/STM3...
Posted on March 20, 2013 at 16:53Hi guys,i'm learning about the st7540 PLM device.My hardware configuration is the seguent:STM32F0Discovery board and two EVALST7540-2 (st7540 transceiver).Microcontroller--->St7540transceiver--->220V--->St7540trancei...
Posted on March 18, 2013 at 19:15Hello,please look at following interrupt routines for capture/compare and uart receivevoid TIM1_CC_IRQHandler(void){ uint32_t break_time, mab_time; TIM_ClearITPendingBit(TIM1, TIM_IT_CC1); break_time = TIM_GetCapture...
Posted on March 20, 2013 at 15:38Hi, I want to use the an external 256mbit Flash from Spansion. The S25FL256S devices use the industry standard single bit Serial Peripheral Interface (SPI) and also supports optional extension commands for two bit (D...
Posted on March 20, 2013 at 00:32Hi. I use stm32f105 and STM32_F105-07_F2xx_USB-Host-Device_Lib_V2.0.0 usb library and i can handle USBH_USR_DeviceDisconnected event when USBH_Process detects any Flash Disk when application starts.But when i try to...
Posted on March 19, 2013 at 18:30I am very confused - this should be fairly straight forward.I am operating in SPI_Direction_2Lines_FullDuplex mode. I am set for transmitting, and can see correct output of data on scope. I enabled the TXEIE interrup...
Posted on March 01, 2013 at 13:37Hi, I'm new in that technology and this microcontroller. I want to program my zigbee module in order to send me a ''hello world'' message through UART. I have connect my module with STM32W108 ucontroller with a dsPIC...
