Search found 25 matches

If the PLL multiplier is used, does the BRG get set by the external crystal (10Mhz) or the clocked multiplied (40Mhz) clock? Looks like it's the clock multiplied.

Is there a way to communicate at higher clock rates? Say 230400, etc ... Most PCs now adays support the higher data rates and was wondering if the PIC I selected or any other PIC can support the hig ...

Basically it's a new chip and board. I'm using the same ICD, firmware, etc ... The programming cable that connects the ICD is new, but I traced all the leads back to the corresponding pins on the RJ ...

I'm using an ICDU-40 to program a PIC16F628A. I can erase the chip and read the Device ID, however it cannot read the target VDD. I'm using the ICD to power the device for programming. MCLR functio ...

RB0 isn't connected to the EEPROM and I disabled the RB0 Interrupt. This is just wierd. I can read and write to the EEPROM all the way up until I toggle the signal on RB0. After that it locks to an ...

The 93C46 is set to 8-bit mode and the EEPROM does seem to work. As I can read/write to the EEPROM many times consecutively and not. What I found out is that if Port B0 fluctuates (high to low back ...

Sorry ... typo ... should be 93C46.

I've implemented 9346.c with my main program and what I'm discovering is that the write routines function fine once. When I try to write to the EEPROM again, it will not write correctly. I have to p ...

I'm trying to program a PIC16F628A. Looking at the datasheet, the 628A has an internal oscillator and analog ports, however pic16f628a.h doesn't include a setup_oscillator command nor does it have an ...

Do you have the PROTECT fuse set? Try without if you do and see if you have the same issue. Also, are you powering the device from the ICD or a separate power source? Check your MCLR pin.

Thanks! I think the security sticker is the way to go. Anyone know a good vendor that has a sticker that will fit on an 18-pin dip?

I know Code Protection is possilbe, but I have a situation where future upgrades are a possibility. I thought of opening the EEPROM Memory so that I can read the build date, revision, etc ... since i ...

Not really sure if TIMER1 is active during SLEEP. Might want to check the datasheet. But as a suggestion, you could do exactly what you want with the WDT.

Ok scratch that ... I mean the way I've been programming them seems pretty reliable. I will have to order a new batch and see if 04 date code chips behave the same or differently.

Andreas,
I called my local Microchip rep and they don't have any record of problems with 03 data code chips. But I have seen some issues on the forums where people were complaing about 03 date cod ...