What are Application Specific Microcontrollers ?
Application Specific Microcontrollers are specialized integrated circuits designed to perform dedicated functions in embedded systems. They are commonly used in applications like embedded control systems, production electronics assembly, and engineering evaluation. Important specifications for selection include Core Processor, which determines processing capability; Operating Temperature, which affects reliability in various environments; and RAM Size, which impacts the complexity of tasks the microcontroller can handle. Ensuring compatibility with existing designs and validating lifecycle status are crucial for procurement teams.
Parts in this category
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Compare stocked parts across manufacturers and distributors, then add lines to your RFQ.
| Part & Mfr | Total Stock | Pricing & RFQ | Applications | Automotive Grade | Clock Frequency | Clock Sync | Control Features | Controller Series | Core Processor | Data Rate | Duty Cycle (Max) | Failure Rate | Function | GPIO | Interface | Lead Spacing | Lead Style | Mounting Type | Number of I | Number of I/O | Operating Temperature | Operating Temperature Range | Operating Voltage | Output Phases | Package / Case | Program Memory Size | Program Memory Type | Protection Features | RAM Size | Supplier Device Package | Supplier Package | Tape & Reel | Termination Style | Voltage | Voltage Supply | Watchdog Timer | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NXP Semiconductors
|
1,989
|
Price on request
1,989
|
Authentication | - | - | - | - | A700x | MX51 | - | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | - | -25°C ~ 85°C | - | - | - | - | 76.4 kB | EEPROM | - | 3.2 kB | - | - | - | - | 1.62V ~ 5.5V | - | - | |
|
Texas Instruments
|
1,950
|
Price on request
1,950
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | No | - | - | - | - | |
STMicroelectronics
|
1,920
|
Price on request
1,920
|
Home & Industrial | - | - | - | - | STM32F031x6x7 | ARM® Cortex®-M0 | - | - | - | - | - | I²C, SPI, UART/USART | 10 mm | - | Surface Mount | 21 | - | -40°C ~ 125°C (TJ) | - | - | - | - | - | FLASH (32kB) | - | 4K x 8 | 64-TQFP (10x10) | - | No | - | 9V ~ 20V | - | - | |
Microchip Technology
|
1,696
|
Price on request
1,696
|
Keyboard and Embedded Controller | - | - | - | - | - | MIPS32® M14K™ | - | - | - | - | - | I²C, LPC, SMBus, SPI, UART | 14 mm | - | Surface Mount | 106 | - | 0°C ~ 70°C | - | - | - | - | - | External Program Memory | - | 128KB | 128-VTQFP (14x14) | 128-VTQFP (14x14) | - | - | 1.71V ~ 3.465V | - | - | |
Texas Instruments
|
1,590
|
Price on request
1,590
|
USB Serial Port Controller | - | - | - | - | TUSB | 8052 | - | - | - | - | - | I²C, USB, UART | 7 mm | - | Surface Mount | 4 | - | 0°C ~ 70°C | - | - | - | - | - | ROM (10kB) | - | 18K x 8 | 32-LQFP (7x7) | - | - | - | 3V ~ 3.6V | - | 128 ms | |
STMicroelectronics
|
1,560
|
Price on request
1,560
|
BLDC Controller | - | - | - | - | STM32F031x6x7 | ARM® Cortex®-M0 | - | - | - | - | - | I²C, SPI, UART/USART | 7 mm | - | Surface Mount | 20 | - | -40°C | - | - | - | 48-VFQFN Exposed Pad | - | FLASH (32kB) | - | 4KB | 48-VFQFPN (7x7) | - | - | - | 6.7V | - | - | |
Semtech
|
1,439
|
Price on request
1,439
|
Sensing Machine | - | - | - | - | XE8000 | Coolrisc816® | - | - | - | - | - | UART, USRT | - | - | Surface Mount | 24 | - | -40°C ~ 85°C | - | - | - | - | - | FLASH (22kB) | - | 512 x 8 | 64-LQFP (10x10) | - | - | - | 2.4V ~ 5.5V | - | - | |
Microchip Technology
|
1,414
|
Price on request
1,414
|
RKE, Security Systems | - | - | - | - | rfPIC | PIC | 0-40 Kbps | - | - | - | - | - | - | - | Surface Mount | 6 | 6 | -40°C to 85°C | - | 2.0-5.5 V | - | - | 1.75 kB | FLASH (1.75kB) | - | 64 Bytes | 20-SSOP | - | - | - | 2V ~ 5.5V | - | - | |
Infineon Technologies
|
1,407
|
Price on request
1,407
|
Automotive | - | - | - | - | - | ARM® Cortex®-M3 | - | - | - | - | - | LIN, SSI, UART | - | - | Surface Mount | 10 | - | -40°C to +175°C | - | - | - | - | - | 64 KB | - | 6 KB | PG-VQFN-48-29 | PG-VQFN-48-29 | - | - | 5.5 V to 28 V | - | - | |
MELEXIS
|
1,383
|
Price on request
1,383
|
LIN Controller | - | - | - | - | - | 16-Bit | - | - | - | - | - | LIN, SPI | - | - | Surface Mount | 6 | - | -40°C ~ 125°C (TA) | - | - | - | - | - | 32kB | - | 2048 Byte | 12-DFN (4x4) | 12-DFN (4x4) | No | - | 5.5V ~ 18V | - | - | |
Analog Devices / Maxim Integrated
|
1,290
|
Price on request
1,290
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
Infineon Technologies
|
1,200
|
Price on request
1,200
|
USB Microcontroller | - | - | - | - | CY7C680xx | 8051 | - | - | - | - | - | I²C, USB, USART | - | - | Surface Mount | 24 | - | -40°C ~ 85°C | - | - | - | - | - | ROMless | - | 16K x 8 | 56-SSOP | - | - | - | 3V ~ 3.6V | - | - | |
|
NXP Semiconductors
|
1,187
|
Price on request
1,187
|
Authentication | - | - | - | - | A700x | MX51 | - | - | - | - | - | I²C, 2-Wire Serial | - | - | - | - | - | -40°C ~ 90°C | - | - | - | - | 76.4 kB | EEPROM | - | 3.2 kB | - | - | - | - | 1.62V ~ 5.5V | - | - | |
Infineon Technologies
|
1,100
|
Price on request
1,100
|
Automotive | - | - | - | - | - | ARM Cortex-M3 | - | - | - | - | - | LIN, SSI, UART | 0 mm | - | Surface Mount | 10 | - | -40°C to +150°C | - | - | - | - | - | FLASH (64kB) | - | 6 KB | PG-VQFN-48-31 | PG-VQFN-48-31 | - | - | 5.5 V to 28 V | - | - | |
STMicroelectronics
|
1,008
|
Price on request
1,008
|
Home & Industrial | - | - | - | - | STM32F031x6x7 | ARM Cortex-M0 | - | - | - | - | - | I²C, SPI, UART/USART | 0 mm | - | Surface Mount | 21 | - | -40°C | - | - | - | - | 32kB | FLASH | - | 4KB | 64-TQFP-EP (10x10) | 64-TQFP-EP (10x10) | No | - | 9V | - | - | |
STMicroelectronics
|
1,000
|
Price on request
1,000
|
GPS | - | - | - | - | Cartesio™ | ARM11® | - | - | - | - | - | AC97, CAN, I2C, MSP, MMC/SD, SPDIF, SSP, UART, USB | - | - | Surface Mount | 65 | 65 | -40°C ~ 85°C | - | - | - | - | - | - | - | 8 KB x 32 | 289-TFBGA (15x15) | - | - | - | 1.8V ~ 3.3V | - | - | |
|
STMicroelectronics
|
1,000
|
Price on request
1,000
|
Home & Industrial | - | - | - | - | STM32F031x6x7 | ARM® Cortex®-M0 | - | - | - | - | - | I²C, SPI, UART/USART | 10 mm | - | Surface Mount | 21 | - | -40°C | - | - | - | - | - | FLASH (32kB) | - | 4KB | 64-TQFP-EP (10x10) | - | No | - | 9V | - | - | |
|
STMicroelectronics
|
1,000
|
Price on request
1,000
|
Trusted Platform Module (TPM) | - | - | - | - | ST33TPHF2ESPI | SecurCore® SC300™ | - | - | - | - | - | SPI | 5 mm | - | Surface Mount | 2 | - | -40°C ~ 105°C | - | - | - | - | - | FLASH | - | - | 32-VFQFPN (5x5) | 32-VFQFPN (5x5) | - | - | 1.8V, 3.3V | - | - | |
|
STMicroelectronics
|
1,000
|
Price on request
1,000
|
Home & Industrial | - | - | - | - | STM32F031x6x7 | ARM® Cortex®-M0 | - | - | - | - | - | I²C, SPI, UART/USART | 10 mm | - | Surface Mount | 21 | 21 | -40°C ~ 125°C | - | - | - | - | - | FLASH (32kB) | - | 4K x 8 | 64-TQFP-EP (10x10) | - | No | - | 9V ~ 20V | - | - | |
NXP Semiconductors
|
952
|
Price on request
952
|
Automotive Mirror Control | - | - | - | - | 908E | HC08 | - | - | - | - | - | SCI, SPI | 7.5 mm | - | Surface Mount | 16 | - | -40°C | - | - | - | - | - | FLASH (16kB) | - | 512 B | 54-SOIC | - | - | - | 5.5 V | - | - | |
Lantiq
|
945
|
Price on request
945
|
Network Processor | - | - | - | - | - | 4Kc | - | - | - | - | - | Ethernet, UART, USB | - | - | Surface Mount | - | - | - | - | - | - | - | - | - | - | 16K x 8 | P-FQFP-208-10 | - | - | - | 1.8V, 3.3V | - | - | |
|
Microchip Technology
|
912
|
Price on request
912
|
Trusted Platform Module (TPM) | - | - | - | - | - | AVR | - | - | - | - | - | I2C | - | - | Surface Mount | 4 | - | 0°C ~ 70°C | - | - | - | - | - | EEPROM | - | - | 32-VQFN (4x4) | 32-VQFN (4x4) | - | - | 3.3V | - | - | |
|
Microchip Technology
|
840
|
Price on request
840
|
Keyboard and Embedded Controller | - | - | - | - | - | MIPS32® M14K™ | - | - | - | - | - | I²C, LPC, SMBus, SPI, UART | - | - | Surface Mount | 108 | - | -40°C ~ 85°C | - | - | - | - | - | External Program Memory | - | 192 KB | 128-VTQFP (14x14) | - | No | - | 1.71V ~ 3.465V | - | - | |
Infineon Technologies
|
767
|
Price on request
767
|
USB Host/Peripheral Controller | - | - | - | - | CYUSB | ARM926EJ-S | - | - | - | - | - | GPIF, I²C, I²S, SPI, UART, USB | - | - | Surface Mount | 12 | - | 0°C ~ 70°C | - | - | - | - | - | External Program Memory | - | 512 KB | 121-BGA (10x10) | - | - | - | 1.15 V ~ 1.25 V | - | - | |
Digi
|
738
|
Price on request
738
|
Network Processor | - | - | - | - | - | ARM7® | - | - | - | - | - | EBI/EMI, Ethernet, DMA, SPI, UART | 13 mm | - | Surface Mount | 16 | - | -40°C ~ 85°C | - | - | - | - | - | External Program Memory | - | External | 177-PFBGA (13x13) | - | - | - | 1.4V ~ 3.6V | - | - | |
Sipex
|
680
|
Price on request
680
|
- | - | - | - | Enable, Frequency Control, Phase Control, Power Good, Soft | - | - | - | - | - | Step-Down | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 5.6V | - | |
Infineon Technologies
|
630
|
Price on request
630
|
USB Microcontroller | - | - | - | - | CY7C680xx | 8051 | - | - | - | - | - | I2C, USB, USART | - | - | Surface Mount | 40 | - | 0°C | - | - | - | - | - | ROMless | - | 16 KB | 128-TQFP (14x20) | 128-TQFP (14x20) | - | - | 3.3V | - | - | |
Microchip Technology
|
620
|
Price on request
620
|
Trusted Platform Module (TPM) | - | - | - | - | - | AVR | - | - | - | - | - | SPI | - | - | Surface Mount | 4 | - | -40°C ~ 85°C | - | - | - | - | - | EEPROM | - | - | 28-TSSOP | 28-TSSOP | - | - | 3.3V | - | - | |
Infineon Technologies
|
600
|
Price on request
600
|
USB Microcontroller | - | - | - | - | CY7C680xx | 8051 | - | - | - | - | - | I²C, USB, USART | 0 mm | - | Surface Mount | 24 | - | 0°C | - | 3.3V | - | - | - | ROMless | - | 16 KB | 56-QFN (8x8) | - | - | - | 3V ~ 3.6V | - | - | |
STMicroelectronics
|
586
|
Price on request
586
|
Automotive | - | - | - | - | - | ARM7® | - | - | - | - | - | I²C, I²S, SPI, UART, USB | 20 mm | - | Surface Mount | - | - | -40°C ~ 85°C | - | - | - | 144-LQFP | - | ROM (384kB) | - | 128K x 8 | 144-LQFP (20x20) | - | - | - | 1.71V ~ 1.89V | - | - | |
Atmel
|
546
|
Price on request
546
|
Trusted Platform Module (TPM) | - | - | - | - | - | AVR | - | - | - | - | - | LPC | - | - | Surface Mount | - | - | 0°C ~ 70°C | - | - | - | - | - | EEPROM | - | - | 40-VQFN (6x6) | - | - | - | 3.3 V | - | - | |
STMicroelectronics
|
504
|
Price on request
504
|
GPS | - | - | - | - | Cartesio™ | ARM11® | - | - | - | - | 160 over 5 x 32-bit ports | AC97, CAN, I²C, MSP, MMC/SD, SPDIF, SSP, UART, USB | 16 mm | - | Surface Mount | 160 | - | -40 / +85 °C | - | - | - | - | - | - | - | 8K x 32 | 372+100-TFBGA (16x16) | 372+100-TFBGA (16x16) | - | - | 1.8V ~ 3.3V | - | - | |
|
Standard Microsystems
|
398
|
Price on request
398
|
- | No | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | No | - | - | - | - | |
Infineon Technologies
|
388
|
Price on request
388
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
Standard Microsystems
|
364
|
Price on request
364
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | No | - | - | - | - | |
|
Microchip Technology
|
300
|
Price on request
300
|
RKE, Security Systems | - | - | - | - | rfPIC™ | PIC | 0-40 Kbps | - | - | - | - | - | 5.3 mm | - | Surface Mount | 6 | - | -40°C ~ 85°C | - | - | - | - | - | 1.75 kB | - | 64 x 8 bytes | 20-SSOP | 20-SSOP | - | - | 2.0-5.5 V | - | - | |
|
STMicroelectronics
|
266
|
Price on request
266
|
Automotive | - | - | - | - | - | ARM7® | - | - | - | - | - | I²C, I²S, SPI, UART, USB | 20 mm | - | Surface Mount | - | - | -40°C ~ 85°C | - | - | - | - | - | ROM (384kB) | - | 128K x 8 | 144-LQFP (20x20) | - | - | - | 1.71V ~ 1.89V | - | - | |
Infineon Technologies
|
259
|
Price on request
259
|
USB 3.0 Hub Controller | - | - | - | - | CYUSB | ARM Cortex-M0 | - | - | - | - | - | I2C | 8 mm | - | Surface Mount | 10 | - | -40°C ~ 85°C (TA) | - | - | - | - | 32 kB | ROM | - | 16 KB | 68-QFN (8x8) | - | - | - | 1.14V ~ 1.26V, 2.5V ~ 2.7V, 3V ~ 3.6V | - | - | |
Infineon Technologies
|
252
|
Price on request
252
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | No | - | - | - | - | |
Texas Instruments
|
246
|
Price on request
246
|
USB Serial Port Controller | - | - | - | - | TUSB | 8052 | - | - | - | - | - | I²C, USB, UART | - | - | Surface Mount | 4 | 4 | -40°C ~ 85°C | - | 3V ~ 3.6V | - | - | - | ROM (10kB) | - | 18K x 8 | 32-VQFN (5x5) | 32-QFN | - | - | 3V ~ 3.6V | - | - | |
Microchip Technology
|
235
|
Price on request
235
|
I/O Controller | - | - | - | - | - | 8042 Keyboard Controller | - | - | - | - | - | IrDA, LPC, Parallel, Serial, UART | 7 mm | - | Surface Mount | 23 | - | 0°C ~ 70°C (TA) | - | - | - | - | - | ROM (2kB) | - | 256 x 8 | 84-WFBGA (7x7) | 84-WFBGA (7x7) | - | - | - | - | - | |
Microchip Technology
|
227
|
Price on request
227
|
Trusted Platform Module (TPM) | - | 33MHz | - | - | - | AVR | - | - | - | - | - | LPC | - | - | Surface Mount | - | - | -40°C ~ 85°C | - | - | - | - | - | EEPROM | - | - | 40-VQFN (6x6) | - | - | Exposed Pad | 3.3V | - | - | |
|
STMicroelectronics
|
217
|
Price on request
217
|
Automotive | - | - | - | - | - | ARM7® | - | - | - | - | - | I²C, I²S, SPI, UART, USB | - | - | Surface Mount | - | - | -40°C ~ 85°C | - | - | - | - | - | ROM (384kB) | - | 128K x 8 | 144-LQFP (20x20) | - | - | - | 1.71V ~ 1.89V | - | - | |
|
Microchip Technology
|
166
|
Price on request
166
|
I/O Controller | - | - | - | - | - | ARC-625D | - | - | - | - | 108 | ACPI, BC-Link, PWM, SMBus, LED, LPC, PECI, SPI, UART | - | - | Surface Mount | 108 | - | 0° C to +70° C | - | - | - | - | - | EEPROM (2KB), FLASH (288KB) | - | 16K x 8 | 144-TFBGA (7x7) | - | No | - | - | - | - | |
|
Microchip Technology
|
161
|
Price on request
161
|
RKE, Security Systems | - | - | - | - | rfPIC™ | PIC | - | - | - | - | - | - | - | - | Surface Mount | 6 | - | -40°C ~ 85°C | - | 2V ~ 5.5V | - | - | - | 1.75kB | - | 64 x 8 Bytes | 20-SSOP | - | - | - | 2V ~ 5.5V | - | - | |
Microchip Technology
|
129
|
Price on request
129
|
Network Processor | - | - | - | - | - | MIPS32® 34Kc™ | - | - | - | - | - | I²C, RMII, UART | - | - | Surface Mount | - | - | - | - | - | - | - | - | SRAM | - | - | 672-FCBGA (27x27) | - | No | - | - | - | - | |
|
Microchip Technology
|
120
|
Price on request
120
|
Network Processor | - | - | - | - | OTN | OTN | - | - | - | - | - | - | 45 mm | - | Surface Mount | - | - | 0°C ~ 125°C | - | - | - | - | - | - | - | - | 1932-BBGA (45x45) | - | - | - | - | - | - | |
Analog Devices / Maxim Integrated
|
113
|
Price on request
113
|
- | - | - | Yes | Current Limit, Enable, On Time Control, Power Good, Pulse Skipping, Saturation | - | - | - | 100% | - | - | - | - | - | - | Surface Mount | - | - | -40°C ~ 85°C | - | - | 2 | - | - | - | - | - | 48-TQFN (7x7) | - | No | - | - | - | - | |
Microchip Technology
|
95
|
Price on request
95
|
Keyboard and Embedded Controller | - | - | - | - | - | MIPS32® M14K™ | - | - | - | - | - | I²C, LPC, SMBus, SPI, UART | - | - | Surface Mount | 106 | - | -40°C ~ 85°C | - | - | - | - | - | External Program Memory | - | 192KB | 144-WFBGA (9x9) | - | - | - | 1.71V ~ 3.465V | - | - | |
|
Freescale Semiconductor
|
80
|
Price on request
80
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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