It's entirely possible that they're pinned out to one of the fan control outputs or temp sense inputs or... just about anything on the board. I have no schematic. I could try to trace with meter, but that often doesn't work so well in circuit. If they're hooked to fan outs then the driver transistors are going to mess up things for serial use anyway.
Now I have to spend another evening or two (or six ) studying datasheet and user guide and all the other nice info to get this thing blinking some LEDs (the MCU's "Hello World" ).
Takes lots of reading through the User Manual to figure out lots of control registers for PLL and MAM and such. These are complex beasts compared to most PICs.
Takes lots of reading through the User Manual to figure out lots of control registers for PLL and MAM and such. These are complex beasts compared to most PICs.
It lives, it lives. You the man. This has been better then watching reality TV shows. Will FUTZing around uncover the serial data traces...watch the next exciting episode of AS THE BIT FLIPS
It lives, it lives. You the man. This has been better then watching reality TV shows. Will FUTZing around uncover the serial data traces...watch the next exciting episode of AS THE BIT FLIPS
It's entirely possible that they're pinned out to one of the fan control outputs or temp sense inputs or... just about anything on the board. I have no schematic. I could try to trace with meter, but that often doesn't work so well in circuit. If they're hooked to fan outs then the driver transistors are going to mess up things for serial use anyway.
I'm going thru it now. I have the LED bits figured out (P0.15, 16 and 22). Going to connect a few fans next and see which bits control those. Then the temp sense pins and MOSFETs to find...
EDIT: I have all connections figured out except the ICP. If the serial pins aren't on the ICP then they aren't pinned out at all. Found a 2K-bit I2C EEPROM on board too, and figured out which I2C it's wired to. Bonus!
Mind you, that nice one should be showing up any day now....
Takes lots of reading through the User Manual to figure out lots of control registers for PLL and MAM and such. These are complex beasts compared to most PICs.
Well the guts of the chip I could have helped you with! I can sit down and hand code assy on those things
They are complex, very detail control over just about every detail. Like the dual 16550 UARTs with dedicated baud rate dividers, or the RTC with full leap year support and alarm interrupts you can set years in advance, not to mention the two timers that each have 4 individually configurable capture registers.
And the fact that if it is running wide open you are talking about a 32bit data/instruction bus running at 60MHz and the SSP port that has 8 8 byte buffers, as I recall.
not paying enough attention to the micros board and what I did see when it had not scrolled off the first page, did not seem like the questioning of those points had been reached yet.
Of course, I tend to be blind to anything but straight forward statements and questions... unfortunately.
Very true. I have an associate who is a Russian transplant and had a heck of a time explaining just how much performance these things have compared to the 8051s he was used to working around the limitations of. I think even my boss got surprized once he got into themit since I have been occupied on a problem project for a couple of unexpected months.