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STM32F with 50 led & 40 inputs

Question asked by takniki.vindhyachal on Apr 20, 2015
1. I have to drive 50 individually controlled led & 40 input pins.
2. I have selected STM32F205ZCT6 which have 114 IO.
3. Schematic can be found here:
http://www.docdroid.net/xwuk/dio.pdf.html

4. TO drive each led the cicruit is driven using 2N7002 as shown in circuit.

5. osc used is ECS-160-20-3X-EN-TR with 10pf load capacitors.

6. Are rest of connections ok. Like power & grounding. Since this MCU have lots of power & ground connctions.

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