8051 kit set port 1.

hi everyone. i was trying to use port 1 pin 7 to do my assignment. there are no other pins for me to use as they are all used up on lcd, relay, keypad and leds. theres this problem when i am using...
Problem setting the port value

I have the following code lines that worked well with SDCC compiler: data at 0x90 unsigned char motor1 = 0; // PORT 1 (90h) data at 0xB0 unsigned char motor2; // PORT 3 (B0h) But, when it does...
Setting Port Bit with ARTX

I'm writing a library to set a Port BIT , that can be used on ARTX for xc167 . I use a function with parameters "PortAddr" and "PortBit" : *(PortAddr) |= ( 1<<PortBit ); and analog function for...
Meaning of setting port speed

Dear All, Reference MCU STM32F4 As we all well aware the following code for set the speed of the port pins GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; Is this saying the signals come...
Setting Port Bit with ARTX

I'm writing a library to set a Port BIT , that can be used on ARTX for xc167 . I use a function with parameters "PortAddr" and "PortBit" : *(PortAddr) |= ( 1<<PortBit ); and analog function for...