Dear Sir/Madam,
we are looking for an MCU for R&D and good support for a Long time.
Kindly consider the following details and reply at the earliest.
GPIO PIn - 50 Numbers
RS232 - 1
SPI -4
DAC - 1
I2c- 1
Operating Voltage - 3 to 4
Timer,PWM,PLL,RTC..etc