8720 Core problem

Started by Marcio Zaquela in Piclist15 years ago

I would like to know if the problem related on Microchip PIC18F8720 Errata (80129f.pdf) occurs with PIC18LF8720-I/PT @ 3.3V and...

I would like to know if the problem related on Microchip PIC18F8720 Errata (80129f.pdf) occurs with PIC18LF8720-I/PT @ 3.3V and using a 4 MHz oscillator and PLL 4x enabled. 


EEPROM starting address

Started by R Ramesh in Piclist15 years ago 2 replies

Hi   I need to store the value in eeprom . I m using PIC 16f877 C Microchip . I dont know which is the starting address of...

Hi   I need to store the value in eeprom . I m using PIC 16f877 C Microchip . I dont know which is the starting address of eeprom .   i need to store the the time how long my machine run at the customer place .It is possible to store that much data can


Re: PIC16F84A and "This device requires firmware version 2.1.0 or higher" messag

Started by Scott Thompson in Piclist14 years ago

Your firmware version with the FLASH OS is at least version 4.00.  There are .hex files to upgrade that to something like V4.2 or...

Your firmware version with the FLASH OS is at least version 4.00.  There are .hex files to upgrade that to something like V4.2 or 4.3.   Keep posting to the microchip forum.  I think you'll find your answer there.    


I2C data line (SDA) goes low and hangs

Started by Basic Poke in Piclist10 years ago 2 replies

I have a PIC18F66J50 with a Microchip EEPROM on the I2C port. Sometimes when I program the MCU using MPLAB, the I2C data line (SDA) goes low...

I have a PIC18F66J50 with a Microchip EEPROM on the I2C port. Sometimes when I program the MCU using MPLAB, the I2C data line (SDA) goes low and stays there. Any read or write I then attempt results in a bus collision error and doesn't work. Here is the sequence of events: * cycle power to the MCU/EEPROM board * compile with MPLAB * program the target device with MPLAB. There is cha...


Is it possible to use ADC line for multiple pushbuton inputs and still get interrupt on change?

Started by ransom peek in Piclist15 years ago 2 replies

Is it possible to use ADC line for multiple pushbuton inputs and still get interrupt on change? Microchip AN234 shows...

Is it possible to use ADC line for multiple pushbuton inputs and still get interrupt on change? Microchip AN234 shows how to use ADC for multipl


Problem in assembling

Started by chadalawadabalakrishna in Piclist10 years ago 9 replies

I use Microchip MPASM to assemble. But it doesn't accept keywords like PORTA etc. Kindly inform me if there is any error in the logic of...

I use Microchip MPASM to assemble. But it doesn't accept keywords like PORTA etc. Kindly inform me if there is any error in the logic of the program: #include ORG 00H MOVLW b'00000000' TRIS PORTB MOVLW b'00000011' TRIS PORTA MOVF PORTA,0 SUBLW 00000000 BTFSS STATUS,2 GOTO LOOP1 MOVF PORTA,0 SUBLW 00000001 BTFSS STATUS,2 GOTO LOOP2 MOVF PORTA,0 SUBLW 00


Need help to read 6 DIP switches on a single input

Started by ransom peek in Piclist14 years ago 5 replies

Need help to read 6 DIP switches on a single input Microchip

Need help to read 6 DIP switches on a single input Microchip