16-bit number to LCD digits

Started by mik3ca 3 months ago6 replieslatest reply 3 months ago68 views
I'm trying to figure out the fastest way to convert a 16-bit number to 4 digits for an LCD display. I did adopt the use of the fast 16-bit division on another thread...

Arranging data packet between micros for optimal speed

Started by mik3ca 3 months ago5 replieslatest reply 3 months ago48 views
Ok, I managed to get the microcontrollers (AT89LP52 and AT89S52) to execute code, but now I need a way to optimize my data flow. I have one controller setup as...

Following atmels AT89LP52's instructions to make the chip work is like....

Started by mik3ca 3 months ago12 replieslatest reply 3 months ago56 views
...almost winning the lottery. Ok. So I used the AT89S52 numerous times on my target board as well as in my programmer and things are successful. So now I choose...

AT89S52 signature detected but AT89LP52 fails

Started by mik3ca 3 months ago1 replylatest reply 3 months ago16 views
This week my local supplier ordered some AT89LP52's for me and I bought them today and they all arrived in a plastic anti-static package which makes me think they...

RB8 bit in serial mode 1 of 8051

Started by mik3ca 4 months ago2 replieslatest reply 3 months ago43 views
I primarily refer to the following source for the 8051 programming information: http://8052mcu.com/ But it says nothing about the operation of the RB8 bit in serial...

Data packet format that transfers at best speed - 8051

Started by mik3ca 4 months ago19 replieslatest reply 3 months ago43 views
After analyzing my own code 500,000 times, I'm starting to learn my serial data format isn't perfect. Currently, my packet is arranged as 11 bytes as follows: Byte...

Why mini-internet system only works when speed is set to slow?

Started by mik3ca 4 months ago10 replieslatest reply 3 months ago53 views
I'm trying to create a system in which one unit acts as a central server to 25 special hardware clients. All devices utilize the same specs that I will explain...

MPLAB and MCC

Started by joelindo 5 months ago4 replieslatest reply 3 months ago53 views
Hello,I'm new to MCU technology, but have a background in digital electronics since the year 1969. Yes, that's the year 1969 if you're wondering. I've been studying...

Stack - interrupt, function call?

Started by splee2 4 months ago11 replieslatest reply 4 months ago73 views
Hi,I am confused about the stack.I understand that in embedded C programming for MCU, when a function is called, a stack frame is created so that the following can...

Least processor-intensive serial interrupt routine for 8051

Started by mik3ca 4 months ago4 replieslatest reply 4 months ago42 views
I'm trying to figure out if I can somehow save some more clock cycles in these routines. Basically I have a transmit and receive function here for the serial port....

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