Hi,
Now I am using LPC824 microcontroller.
I want to configure PIO0_10 as the UART1_TX pin.
The default fuction of PIO0_10 pin is I2C_SCL.
In my code i disabled that function and make that pin as uart_tx.but i did not get the proper output in uart terminal.
Is it possible to configure I2C pin as UART pin.
my configuration is,
void Init_UART_PinMux(void)
{
/* Enable the clock to the Switch Matrix */
LPC_SYSCTL->SYSAHBCLKCTRL |= (1<<7);
Chip_Clock_SetUARTClockDiv(1); /* divided by 1 */
Chip_SWM_DisableFixedPin(SWM_FIXED_SWCLK); //Uart1_rx pin
Chip_SWM_DisableFixedPin(SWM_FIXED_I2C0_SCL); //Uart1_tx pin
Chip_SWM_MovablePinAssign(SWM_U1_RXD_I, 3); //rx_uart1
Chip_SWM_MovablePinAssign(SWM_U1_TXD_O, 10);//tx_uart1
/* Disable the clock to the Switch Matrix to save power */
LPC_SYSCTL->SYSAHBCLKCTRL &= ~(1<<7);
}
thanks in advance.
Hi Signal Systems,
Are you placing a external pull-up resistor on the PIO0_10 pin? Since this pin is a true open-drain pin you will need an external pull-up resistor for it to work.
Hope it helps!
Best Regards,
Carlos Mendoza
Technical Support Engineer