Single chip microcontroller

i.MX28 32-bit MPU, ARM926EJ-S core, 454MHz, MAPBGA 289Arm9Core: Number of cores (SPEC)1SRAM (kB)Support external memory Serial Communication2 x I?C, 3 x SPI, 6 x UARTI2S2CAN-Serial Audio Interface ( SAI)-EthernetGPIOUSB ControllersTimer (bits)-PWM-ADC [Number, bits]Supply Voltage [Min to Max] (V)Ambient Operating Temperature (Min to Max) (℃)-20 to 70

i.MX 6 series 32-bit MPU, Dual ARM Cortex-A9 core, 1GHz, MAPBGA 624Arm Cortex-A9Core: Number of cores (SPEC)2SRAM (kB)128 Support external memory DDR3 SDRAM, DDR3L SDRAM, ECC, LPDDR2 DRAM, NAND FLASH, NOR FLASH, ONFI2.2Serial Communication1 x PCIe 2.0, 4 x I²C, 4 x SPI, 5 x UARTI2S-CAN-Serial Audio Interface (SAI)-EthernetGPIOUSB ControllersTimer (bits)-PWM4ADC [Number, bits]Supply Voltage [Min to Max] (V) Ambient Operating Temperature (Min to Max) (℃)