Re: Motorolla MCUS ?
I have use 908 series of Mot uC before and these are my opinion-
adv:
- 908 series is a huge family and depending on your requirement you can choose from an 8 pin uC with 2K memory to 48 pin with 32K memory.
- has in built functionality like usb, rf, CAN, etc.
- cheap, in volume
- good support from the motorola website. question are answered in less than 2 days.
- amount of application note is good enough, although not as much as other uC
disadv:
- i can't buy it in small amount, usually we can only get it through authorise dealer that requires a minimum order quantity of 200 pieces. buy it from farnel or RS, and they will charge you 5 times the real cost of the uC.
- no free compilers, the code warrior has an evaluation version with limited code of 2K.
- if you are using assembly, then everything is free.
- the same type of uC has different pin locations for different package, so don't take for granted. for example take the 8 pin QY1. the dip and the SOIC package has totally different pin locations. Read the datasheet, and you will know why this issue is so easily overlooked.
- lastly, and strictly in my own opinion, i felt that the QY1 has a low EMI immunity.
rgds,
chicken_feet