• output led high in lpc1788
    I use the following codes to output high in Port 0_15 but no success ,can someone help me ? #include "LPC177x_8x.h" int main(void) { LPC_IOCON->P0_15 = 0; LPC_GPIO0->DIR |= 0x00008000; LPC_GPIO0...
  • Not getiing output on pins in stm32 controller
    hello, i m using stm32 controller. but i have a problem . i have loaded code to generate pwm on pins of controller but i didn't get it when i check on pins. program is okay as i have tested on board...
  • Configuring the same pin as input and output
    Is it possible using the ARM9 to configure a pin as both input and output? I need to be able to write to it and then read from it. This would be done as an open collector configuration. I have tried...
  • All outputs high at the time of downloading flash
    I have a Keil MCBSTM32E board and I have couple of Motors connected connected to this board via some drivers. Every time I update the Board with new flash image the motor run for the duration of...
  • AT89C51ED2 Reset pin is latched up to high state
    Dear Friend, I am using a 64 pin VQFP AT89C51ED2 which has been mounted on a VQFP to DIP pcb. I observe at power up, the reset pin is latched up to high state. Wiring conditions are :Vcc=5V, Gnd, EA...