Global Ultra-low-power Microcontroller Market By Peripheral Device (Analog Devices, Digital Devices), By Packaging Type (8-bit Packaging, 16-bit Packaging, 32-bit Packaging), By End-Use Industry (Consumer Electronics, Manufacturing, Automotive, Healthcare, Telecommunications, Aerospace & Defense), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2021-2031