Embedded - Microcontrollers - Application Specific

Part Number	Description / PDF	Quantity
MEC1428-I/NU-C1 Roving Networks / Microchip Technology	SRAM	310
AT97SC3205T-X3A1C20B Roving Networks / Microchip Technology	FF COM I2C TPM 4.4MM TSSOP SEK	531
KSZ9692PBI Roving Networks / Microchip Technology	IC ARM9 PHY 5MBPS 400BGA	42
KSZ8692PB Roving Networks / Microchip Technology	IC ARM9 PHY 10/100MBPS 400BGA	0
LX3302AQPW-EASY Roving Networks / Microchip Technology	IC INDUCTIVE POSITION SENSOR	1030
MEC1428-SZ-C1-TR Roving Networks / Microchip Technology	SRAM	702
MEC1633X-AUE Roving Networks / Microchip Technology	IC EMBEDDED CTLR 169LFBGA	0
AT97SC3205T-G3M4C10B Roving Networks / Microchip Technology	PROD FF COM I2C TPM 4X4 32VQFN U	980
AT97SC3204T-U2A17-00 Roving Networks / Microchip Technology	IC CRYPTO TPM TWI 28TSSOP	2
AT97SC3205-H3M45-20 Roving Networks / Microchip Technology	FF IND SPI TPM 4X4 32VQFN SEK -	0
SCH3223-7U-TR Roving Networks / Microchip Technology	IC CTLR IO LPC MULT PORT 64WFBGA	0
MEC1418-I/NU Roving Networks / Microchip Technology	MEC, MIPS CORE, 192K SRAM, LPC &	0
MEC1701Q-C2-SZ Roving Networks / Microchip Technology	EMBEDDED CONTROLLER	317
WP32C2W6NFEI-400B2 Roving Networks / Microchip Technology	WP3 2C2W6 400 MHZ, LF BALLS, PBF	0
WP3161F5NFEI-320B1 Roving Networks / Microchip Technology	WP3 SL 161F5 320MHZ,LF BALLS,PBF	0
WP3161W6NHEI-400B1 Roving Networks / Microchip Technology	WP3SLB 161W6 400MHZ,LFBALLS,PBFB	0
PM5981B-FEI Roving Networks / Microchip Technology	DIGI 100GX, W/O ENCRYPTION	0
PM5991B-FEI Roving Networks / Microchip Technology	DIGI-G4 OTN PROCESSOR, WITHOUT E	0
MIC38HC44BM TR Roving Networks / Microchip Technology	BICMOS 1A CURRENT-MODE PWM CONTR	7500
SCH5627P-NS Roving Networks / Microchip Technology	DESKTOP EMBEDDED CTRLR 128QFP	0

Embedded - Microcontrollers - Application Specific

1. Overview

Application Specific Microcontrollers (AS-MCUs) are integrated circuits designed to perform dedicated functions in embedded systems. Unlike general-purpose microcontrollers, AS-MCUs are optimized for specific tasks through customized hardware, firmware, and peripherals. They play a critical role in modern technology by enabling efficient processing, real-time control, and power optimization in specialized applications such as automotive systems, industrial automation, and IoT devices.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Application-Specific Microcontrollers (AS-MCUs)	Custom I/O interfaces, optimized instruction sets, fixed-function logic	Motor control in appliances, sensor hubs
Application-Specific Standard Parts (ASSPs)	Industry-standard peripherals, pre-defined functionality	USB controllers, Ethernet PHY chips
Custom ASIC-based MCUs	Full hardware customization, dedicated accelerators	Medical imaging systems, aerospace avionics
System-on-Chip (SoC) MCUs	Integrated CPU, memory, and application-specific IP blocks	Smartphones, automotive infotainment

3. Structure and Components

AS-MCUs typically consist of:

Core Architecture: RISC/VLIW processors with specialized execution units
Memory Hierarchy: Embedded flash (128KB-8MB), SRAM with error correction
Custom Peripherals: PWM controllers, analog comparators, hardware encryption engines
Interconnect Fabric: High-speed buses (AHB/APB) with QoS management
Power Management: Multiple voltage domains, clock gating, retention registers
Package: 48-256 pin QFP/BGA with thermal dissipation features

4. Key Technical Specifications

Parameter	Importance
Processing Throughput (MIPS/GFLOPS)	Determines real-time task execution capability
Power Consumption ( A/MHz)	Critical for battery-operated devices
Memory Size & Speed	Affects code complexity and data buffering
Operating Temperature (-40 C to +150 C)	Ensures reliability in harsh environments
Interface Protocols (CAN, LIN, Ethernet)	Enables system integration compatibility
Functional Safety Certification (ISO 26262, IEC 61508)	Required for automotive/industrial systems

5. Application Domains

Key industries utilizing AS-MCUs:

Industrial: CNC machine controllers, predictive maintenance sensors
Automotive: Engine control units (ECUs), ADAS sensor fusion modules
Medical: MRI machine motion controllers, patient monitoring systems
Consumer: Smart home appliances, wearable fitness trackers
Telecom: 5G base station beamforming controllers

6. Leading Manufacturers and Products

Manufacturer	Product Series	Key Features
Texas Instruments	MSP430FRAS	Ferroelectric memory, 16-bit MCU for energy meters
NXP Semiconductors	S32K1xx	Arm Cortex-M4 for automotive body control
STMicroelectronics	STM32A	Automotive qualified, CAN FD interface
Microchip	PIC18FXX85	Integrated LCD driver for appliance controls
Infineon	AURIX TC3xx	Tri-core architecture for motor drives

7. Selection Guidelines

Key considerations:

Match computational requirements with core architecture
Verify peripheral compatibility with system interfaces
Evaluate toolchain support (compilers, debuggers)
Assess long-term supply stability
Validate security features (AES encryption, secure boot)
Compare total cost of ownership (NRE + unit cost)

8. Industry Trends

Emerging developments:

AI/ML integration for edge computing (e.g., TensorFlow Lite on-chip)
Sub-10nm process nodes enabling 200+ MHz operation
Functional safety compliance up to ASIL-D
Energy harvesting-ready ultra-low-power designs
Rise of RISC-V based customizable cores
Increased adoption in 5G IoT gateways