RoadTest: Microchip DM240012 USB Starter Kit
Author: DaveLTX
Creation date:
Evaluation Type: Evaluation Boards
Did you receive all parts the manufacturer stated would be included in the package?: True
What other parts do you consider comparable to this product?: I shall compare it to my other platform's ARM development kit , my STM32F4-Discovery .
What were the biggest problems encountered?: So far , i had this annoying LED1 stay on and , instead of LED2 switching on and then off after the application ends .
Detailed Review:
Opening up the box , the items inside are packed well , as in very well .
I had to literally tear through the whole E14 box .
But anyway , when i got to the starter kit's box itself .
Well presented .
Opening the box up , i find the goodies .
Documents
Programming it , with the demo code .
Debugging it .
Target failed ! HUH ?!
I have no idea what this means : I have done PIC but only on the discrete level ( i.e no starter kit ) never have i done a starter kit and am quite lost already .
Anyway , i find this kit very good , except that it is a little bit on the expensive side ... My only purchased kit is a STM32F4-Disco so i am beginning comparison with that item now .
ST did not give me any cables at all , Microchip did and they were high quality ones not those filmsy AWG36 ones i saw from Samsung's products .
Regarding speed i won't be able to judge since the STM32F407VGT6 operates at 168MHz and has like 210DMIPS or 1.25DMIPS/MHz and is of course , 32bits .
And The PIC24E ? 60MIPS @ 60MHz ... so that's quite slow . But it's only 16bit , so who cares ?
The strength of ARM is their speed/power .
But , Sometimes you just have to have code attached to each and every receive of a symbol/character from an external device and at those times having the ability to process a boat load of interrupts with very low overhead cost and deterministic latency has always been a fantastic strength of the PIC architecture. After all, consider the origin of the PIC architecture in the first place.
A comparable chip to the STM32F4 is the PIC32MX after all , 120+ DMIPS @ 80MHz which is not bad ... 1.5DMIPS/MHz but ... It's a pic and that has no comparison since it's PIC vs ARM
The thing about PIC is that it is suited for small scale projects , regarding the PIC16F series .
Easy , quick immediate operation when in dire need . ( I must say i haven't touched AVR before . )
Both PIC and AVR is easy to program in any case .
Thoughts on the debugging and programming platform :
MPLAB 8 was good but MPLAB X was no good , it was slow and hopeless .
MPLAB is much better so please , microchip , keep the old MPLAB .
Thoughts on the I/O's
There's only 3 USB's , Female USB , Female MicroUSB and Female MiniUSB
But still , this is a starter kit and not a development kit like the arduino's and pickit2 demo kit , STM32F4-Disco
Microchip wins the award from me for simplicity and raw I/O speed at low prices . ( so far i've seen )
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icserny
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