What are Microcontrollers ?
Microcontrollers are integrated circuits designed to manage specific tasks within embedded systems by executing programmed instructions. They are commonly used in applications like embedded control systems, production electronics assembly, and maintenance. Important specifications for selection include Core Processor, which determines processing power; Connectivity, which affects communication capabilities; and Operating Temperature, which ensures reliable performance in various environments. Sourcing teams should validate lifecycle status and consider alternate-source options to mitigate procurement risks.
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| Part & Mfr | Total Stock | Pricing & RFQ | Connectivity | Core Processor | Core Size | Data Converters | EEPROM Size | Frequency | Halogen Free | Lead Spacing | Lead Style | Mounting Type | Number of I | Number of I/O | Operating Temperature | Oscillator Type | Peripherals | Program Memory Size | Program Memory Type | RAM Size | Speed | Storage Temperature | Supplier Device Package | Tape & Reel | Voltage | |
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Renesas
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CSI, I²C, LINbus, UART/USART | RL78 | 16-Bit | A/D 9x8/10b | 4K x 8 | - | - | - | - | Surface Mount | 42 | - | -40°C ~ 105°C (TA) | Internal | DMA, LCD, LVD, POR, PWM, WDT | 128KB (128K x 8) | FLASH | 8K x 8 | 24MHz | - | 64-LFQFP (10x10) | - | 1.6V ~ 5.5V | |
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CSI, I²C, LINbus, UART/USART | RL78 | 16-Bit | A/D 12x8/10b | 4K x 8 | - | - | - | - | Surface Mount | 58 | - | -40°C ~ 85°C (TA) | Internal | DMA, LCD, LVD, POR, PWM, WDT | 96KB (96K x 8) | FLASH | 6K x 8 | 24MHz | - | 80-LQFP (12x12) | - | 1.6V ~ 5.5V | |
Zilog
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IrDA, UART/USART | eZ8 | 8-Bit | - | - | - | - | - | - | Surface Mount | 16 | - | -40°C ~ 105°C (TA) | Internal | Brown-out Detect/Reset, LED, POR, PWM, WDT | 1KB (1K x 8) | FLASH | 256 x 8 | 5MHz | - | 20-SOIC | - | 2.7V ~ 3.6V | |
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Zilog
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IrDA, UART/USART | eZ8 | 8-Bit | - | - | - | - | - | - | Surface Mount | 16 | - | 0°C ~ 70°C (TA) | Internal | Brown-out Detect/Reset, LED, POR, PWM, WDT | 1KB (1K x 8) | FLASH | 256 x 8 | 5MHz | - | 20-SOIC | - | 2.7V ~ 3.6V | |
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CSI, I²C, LINbus, UART/USART | RL78 | 16-Bit | A/D 12x8/10b | 4K x 8 | - | - | - | - | Surface Mount | 48 | - | -40°C ~ 85°C (TA) | Internal | DMA, LVD, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 4K x 8 | 32MHz | - | 64-VFBGA (4x4) | - | 1.6V ~ 5.5V | |
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CSI, I²C, LINbus, SPI, UART/USART | RL78 | 16-Bit | A/D 12x10b, 8x12b; D/A 2x8b | 8K x 8 | - | - | - | - | Surface Mount | 54 | - | -40°C ~ 105°C (TA) | Internal | LVD, POR, PWM, WDT | 96KB (96K x 8) | FLASH | 12K x 8 | 32MHz | - | 64-LFQFP (10x10) | - | 1.8V ~ 5.5V | |
Microchip Technology
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I²C, LINbus, SPI, UART/USART | PIC | 8-Bit | A/D 8x10b | 256 x 8 | - | - | - | - | Through Hole | 11 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 14KB (8K x 14) | FLASH | 1K x 8 | 32MHz | - | 14-PDIP | - | 1.8V ~ 3.6V | |
Nuvoton Technology
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EBI/EMI, Serial Port | 8052 | 8-Bit | - | - | - | - | - | - | Surface Mount | 36 | - | 0°C ~ 70°C (TA) | Internal | POR, PWM, WDT | 64KB (64K x 8) | FLASH | 1.25K x 8 | 24MHz | - | - | - | 2.4V ~ 5.5V | |
Microchip Technology
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I²C, LINbus, SPI, UART/USART | PIC | 8-Bit | A/D 35x10b; D/A 1x5b | - | - | - | - | - | Surface Mount | 36 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 28KB (16K x 14) | FLASH | 2K x 8 | 32MHz | - | 44-QFN (8x8) | - | 2.3V ~ 5.5V | |
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Microchip Technology
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I²C, LINbus, SPI, UART/USART | PIC | 8-Bit | A/D 35x10b; D/A 1x5b | 224 x 8 | - | - | - | - | Surface Mount | 36 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 28KB (16K x 14) | FLASH | 2K x 8 | 32MHz | - | 44-QFN (8x8) | - | 1.8V ~ 3.6V | |
STMicroelectronics
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I²C, IrDA, LINbus, SPI, UART/USART | STM8A | 8-Bit | A/D 22x12b; D/A 1x12b | 1K x 8 | - | - | - | - | Surface Mount | 30 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 16KB (16K x 8) | FLASH | 2K x 8 | 16MHz | - | 32-VFQFPN (5x5) | - | 1.65V ~ 3.6V | |
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STMicroelectronics
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I²C, IrDA, LINbus, SPI, UART/USART | ARM® Cortex®-M0+ | 32-Bit | A/D 17x12b SAR; D/A 2x12b | - | - | - | - | - | Surface Mount | 26 | - | -40°C ~ 125°C (TA) | External, Internal | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 18K x 8 | 64MHz | - | 28-UFQFPN (4x4) | - | 1.7V ~ 3.6V | |
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STMicroelectronics
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I²C, IrDA, LINbus, SPI, UART/USART | ARM® Cortex®-M0+ | 32-Bit | A/D 17x12b SAR; D/A 2x12b | - | - | - | - | - | Surface Mount | 26 | - | -40°C ~ 125°C (TA) | External, Internal | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 18K x 8 | 64MHz | - | 28-UFQFPN (4x4) | - | 1.7V ~ 3.6V | |
Zilog
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IrDA, UART/USART | eZ8 | 8-Bit | - | - | - | - | - | - | Surface Mount | 6 | - | 0°C ~ 70°C (TA) | Internal | Brown-out Detect/Reset, LED, POR, PWM, WDT | 2KB (2K x 8) | FLASH | 512 x 8 | 5MHz | - | - | - | 2.7V ~ 3.6V | |
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Zilog
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IrDA, UART/USART | eZ8 | 8-Bit | A/D 4x10b | 64 x 8 | - | - | - | - | Surface Mount | 6 | - | -40°C ~ 105°C (TA) | Internal | Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT | 2KB (2K x 8) | FLASH | 512 x 8 | 20MHz | - | - | - | 2.7V ~ 3.6V | |
Zilog
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- | eZ8 | 8-Bit | A/D 8x10b | - | - | - | - | - | Through Hole | 23 | - | -40°C ~ 105°C (TA) | Internal | Brown-out Detect/Reset, LED, POR, PWM, WDT | 4KB (4K x 8) | FLASH | 256 x 8 | 20MHz | - | - | - | 2.7V ~ 3.6V | |
Silicon Labs
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SMBus (2-Wire/I²C), SPI, UART/USART | 8051 | 8-Bit | A/D 12x10b | - | - | - | - | - | Surface Mount | 13 | - | -40°C ~ 85°C (TA) | Internal | Cap Sense, POR, PWM, Temp Sensor, WDT | 8KB (8K x 8) | FLASH | 256 x 8 | 25MHz | - | 16-SOIC | - | 1.8V ~ 3.6V | |
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Silicon Labs
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SMBus (2-Wire/I²C), SPI, UART/USART | 8051 | 8-Bit | A/D 12x10b | - | - | - | - | - | Surface Mount | 13 | - | -40°C ~ 85°C (TA) | Internal | Cap Sense, POR, PWM, Temp Sensor, WDT | 4KB (4K x 8) | FLASH | 256 x 8 | 25MHz | - | 16-SOIC | - | 1.8V ~ 3.6V | |
Microchip Technology
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I²C, LINbus, SPI, UART/USART, USB | PIC | 8-Bit | A/D 5x10b; D/A 1x5b | - | - | - | - | - | Surface Mount | 8 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 14KB (8K x 14) | FLASH | 1K x 8 | 48MHz | - | 16-UQFN (4x4) | - | 2.3V ~ 5.5V | |
Microchip Technology
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I²C, LINbus, SPI, UART/USART | PIC | 8-Bit | A/D 8x10b; D/A 1x5b, 1x10b | 128 x 8 | - | - | - | - | Surface Mount | 12 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 14KB (8K x 14) | FLASH | 1K x 8 | 32MHz | - | 14-SOIC | - | 2.3V ~ 5.5V | |
Microchip Technology
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I²C, SPI, UART/USART | PIC | 8-Bit | A/D 12x10b | 256 x 8 | - | - | - | - | Surface Mount | 17 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 7KB (4K x 14) | FLASH | 256 x 8 | 32MHz | - | 20-UQFN (4x4) | - | 1.8V ~ 5.5V | |
Microchip Technology
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I²C, LINbus, SPI, UART/USART | PIC | 8-Bit | A/D 12x10b; D/A 2x5b, 2x10b | 128 x 8 | - | - | - | - | Surface Mount | 18 | - | -40°C ~ 85°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 7KB (4K x 14) | FLASH | 512 x 8 | 32MHz | - | 20-SSOP | - | 1.8V ~ 3.6V | |
Microchip Technology
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I²C, LINbus, SPI, UART/USART | PIC | 8-Bit | A/D 17x10b | - | - | - | - | - | Surface Mount | 25 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 14KB (8K x 14) | FLASH | 512 x 8 | 20MHz | - | 28-QFN (6x6) | - | 2.3V ~ 5.5V | |
Silicon Labs
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I²C, SMBus, SPI, UART/USART | CIP-51 8051 | 8-Bit | A/D 20x14b; D/A 2x12b | - | - | - | - | - | Surface Mount | 28 | - | -40°C ~ 105°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 16KB (16K x 8) | FLASH | 1.25K x 8 | 72MHz | - | 24-QFN (3x3) | - | 2.2V ~ 3.6V | |
Renesas
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CSI, I²C, LINbus, UART/USART | RL78 | 16-Bit | A/D 9x8/10b | 8K x 8 | - | - | - | - | Surface Mount | 28 | - | -40°C ~ 105°C (TA) | Internal | DMA, LVD, POR, PWM, WDT | 128KB (128K x 8) | FLASH | 12K x 8 | 32MHz | - | 40-HWQFN (6x6) | - | 2.4V ~ 5.5V | |
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Microchip Technology
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IrDA, LINbus, SPI, UART/USART | MIPS32® microAptiv™ | 32-Bit Single-Core | A/D 14x10/12b; D/A 1x5b | - | - | - | - | - | Surface Mount | 29 | - | -40°C ~ 85°C (TA) | Internal | Brown-out Detect/Reset, HLVD, I²S, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 8K x 8 | 25MHz | - | 36-SQFN (6x6) | - | 2V ~ 3.6V | |
Microchip Technology
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IrDA, LINbus, SPI, UART/USART | MIPS32® microAptiv™ | 32-Bit Single-Core | A/D 14x10/12b; D/A 1x5b | - | - | - | - | - | Surface Mount | 29 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, HLVD, I²S, POR, PWM, WDT | 32KB (32K x 8) | FLASH | 8K x 8 | 25MHz | - | 40-UQFN (5x5) | - | 2V ~ 3.6V | |
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Microchip Technology
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- | dsPIC | 16-Bit | - | - | - | - | - | - | Surface Mount | - | - | -40°C ~ 85°C (TA) | Internal | - | 128KB (128K x 8) | FLASH | - | - | - | 28-UQFN (4x4) | - | 3V ~ 3.6V | |
Microchip Technology
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I²C, SPI, UART/USART | AVR | 8-Bit | A/D 10x12b; D/A 1x10b | 512 x 8 | - | - | - | - | Surface Mount | 23 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 8K x 8 | 24MHz | - | 28-SSOP | - | 1.8V ~ 5.5V | |
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Nuvoton Technology
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EBI/EMI, Serial Port | 8052 | 8-Bit | - | - | - | - | - | - | Through Hole | 32 | - | 0°C ~ 70°C (TA) | Internal | POR, PWM, WDT | 64KB (64K x 8) | FLASH | 1.25K x 8 | 24MHz | - | - | - | 2.4V ~ 5.5V | |
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Renesas
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CSI, I²C, LINbus, UART/USART, USB | RL78 | 16-Bit | A/D 9x8/12b; D/A 2x8b | 8K x 8 | - | - | - | - | Surface Mount | 51 | - | -40°C ~ 85°C (TA) | Internal | LCD, LVD, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 8K x 8 | 24MHz | - | 80-LQFP (12x12) | - | 1.6V ~ 3.6V | |
Renesas
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I²C, SCI, SPI | RX | 32-Bit Single-Core | A/D 10x12b | - | - | - | - | - | Surface Mount | 37 | - | -40°C ~ 85°C (TA) | Internal | DMA, LVD, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 12K x 8 | 40MHz | - | 48-LFQFP (7x7) | - | 2.7V ~ 5.5V | |
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Renesas
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CSI, I²C, LINbus, UART/USART | RL78 | 16-Bit | A/D 12x8/10b | 4K x 8 | - | - | - | - | Surface Mount | 48 | - | -40°C ~ 105°C (TA) | Internal | DMA, LVD, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 4K x 8 | 32MHz | - | 64-VFBGA (4x4) | - | 2.4V ~ 5.5V | |
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Renesas
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CSI, I²C, LINbus, UART/USART | RL78 | 16-Bit | A/D 12x8/10b | 4K x 8 | - | - | - | - | Surface Mount | 48 | - | -40°C ~ 105°C (TA) | Internal | DMA, LVD, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 4K x 8 | 32MHz | - | 64-VFBGA (4x4) | - | 2.4V ~ 5.5V | |
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Renesas
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I²C, SCI, SPI | RX | 32-Bit Single-Core | A/D 10x12b | - | - | - | - | - | Surface Mount | 37 | - | -40°C ~ 85°C (TA) | Internal | DMA, LVD, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 12K x 8 | 40MHz | - | 48-LFQFP (7x7) | - | 2.7V ~ 5.5V | |
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Renesas
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I²C, SCI, SPI, USB | RX | 32-Bit | A/D 10x12b | 8K x 8 | - | - | - | - | Surface Mount | 30 | - | -40°C ~ 85°C (TA) | Internal | DMA, LVD, POR, PWM, WDT | 128KB (128K x 8) | FLASH | 16K x 8 | 32MHz | - | 48-HWQFN (7x7) | - | 1.8V ~ 3.6V | |
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Renesas
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I²C, SCI, SPI, USB | RX | 32-Bit | A/D 10x12b | 8K x 8 | - | - | - | - | Surface Mount | 30 | - | -40°C ~ 85°C (TA) | Internal | DMA, LVD, POR, PWM, WDT | 128KB (128K x 8) | FLASH | 16K x 8 | 32MHz | - | 48-HWQFN (7x7) | - | 1.8V ~ 3.6V | |
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Renesas
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I²C, LINbus, SCI, SPI | RX | 32-Bit | A/D 8x12b; D/A 1x8b | 4K x 8 | - | - | - | - | Surface Mount | 38 | - | -40°C ~ 85°C (TA) | External, Internal | DMA, LVD, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 12K x 8 | 32MHz | - | 48-HWQFN (7x7) | - | 2.7V ~ 5.5V | |
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Renesas
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I²C, LINbus, SCI, SPI | RX | 32-Bit | A/D 8x12b; D/A 1x8b | 4K x 8 | - | - | - | - | Surface Mount | 38 | - | -40°C ~ 85°C (TA) | External, Internal | DMA, LVD, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 12K x 8 | 32MHz | - | 48-HWQFN (7x7) | - | 2.7V ~ 5.5V | |
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Renesas
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CSI, I²C, LINbus, UART/USART | RL78 | 16-Bit | A/D 10x8/10b; D/A 2x8b | 8K x 8 | - | - | - | - | Surface Mount | 38 | - | -40°C ~ 105°C (TA) | External, Internal | LVD, POR, PWM, WDT | 96KB (96K x 8) | FLASH | 12K x 8 | 32MHz | - | 48-LFQFP (7x7) | - | 2.4V ~ 5.5V | |
Microchip Technology
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- | PIC | 8-Bit | - | 16 x 8 | - | - | - | - | Surface Mount | 5 | - | -40°C ~ 85°C (TA) | Internal | POR, WDT | 768B (512 x 12) | OTP | 25 x 8 | 4MHz | - | 8-SOIJ | - | 3V ~ 5.5V | |
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Silicon Labs
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SMBus (2-Wire/I²C), SPI, UART/USART | 8051 | 8-Bit | - | - | - | - | - | - | Surface Mount | 13 | - | -40°C ~ 85°C (TA) | Internal | Cap Sense, POR, PWM, WDT | 8KB (8K x 8) | FLASH | 512 x 8 | 25MHz | - | 16-SOIC | - | 1.8V ~ 3.6V | |
Microchip Technology
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I²C, LINbus, SPI, UART/USART, USB | PIC | 8-Bit | A/D 5x10b; D/A 1x5b | - | - | - | - | - | Surface Mount | 8 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 14KB (8K x 14) | FLASH | 1K x 8 | 48MHz | - | 14-TSSOP | - | 2.3V ~ 5.5V | |
Infineon Technologies
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CSIO, I²C, LINbus, UART/USART | ARM® Cortex®-M0+ | 32-Bit Single-Core | A/D 8x12b | - | - | - | - | - | Surface Mount | 37 | - | -40°C ~ 105°C (TA) | Internal | DMA, LVD, POR, PWM, WDT | 88KB (88K x 8) | FLASH | 6K x 8 | 40MHz | - | 48-QFN (7x7) | - | 2.7V ~ 5.5V | |
Silicon Labs
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I²C, SMBus, SPI, UART/USART | CIP-51 8051 | 8-Bit | A/D 10x12b | - | - | - | - | - | Surface Mount | 13 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 8KB (8K x 8) | FLASH | 512 x 8 | 25MHz | - | 24-QFN (4x4) | - | 1.8V ~ 3.6V | |
Silicon Labs
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I²C, SMBus, SPI, UART/USART | CIP-51 8051 | 8-Bit | A/D 12x10/12b SAR; D/A 2x12b | - | - | - | - | - | Surface Mount | 20 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 4.25K x 8 | 50MHz | - | 24-QFN (4x4) | - | 2.2V ~ 3.6V | |
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Silicon Labs
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I²C, SMBus, SPI, UART/USART | CIP-51 8051 | 8-Bit | A/D 12x10/12b SAR; D/A 2x12b | - | - | - | - | - | Surface Mount | 20 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 64KB (64K x 8) | FLASH | 4.25K x 8 | 50MHz | - | 24-QFN (4x4) | - | 2.2V ~ 3.6V | |
Microchip Technology
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I²C, SPI, UART/USART | PIC | 8-Bit | A/D 12x10b | 256 x 8 | - | - | - | - | Surface Mount | 17 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 7KB (4K x 14) | FLASH | 256 x 8 | 32MHz | - | 20-QFN (4x4) | - | 1.8V ~ 3.6V | |
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Microchip Technology
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I²C, IrDA, LINbus, SPI, UART/USART | PIC | 16-Bit | - | 256 x 8 | - | - | - | - | Surface Mount | 24 | - | -40°C ~ 85°C (TA) | Internal | Brown-out Detect/Reset, HLVD, POR, PWM, WDT | 8KB (2.75K x 24) | FLASH | 1K x 8 | 32MHz | - | 28-QFN (6x6) | - | 1.8V ~ 3.6V | |
Microchip Technology
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I²C, LINbus, SPI, UART/USART, USB | PIC | 8-Bit | A/D 5x10b; D/A 1x5b | - | - | - | - | - | Surface Mount | 8 | - | -40°C ~ 125°C (TA) | Internal | Brown-out Detect/Reset, POR, PWM, WDT | 14KB (8K x 14) | FLASH | 1K x 8 | 48MHz | - | 16-QFN (4x4) | - | 2.3V ~ 5.5V |
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