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ATSAMC20G16A-AUT
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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB FLASH 48TQFP
- Series：SAM C20
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M0+
- Core Size：32-Bit Single-Core
- Speed：48MHz
- Connectivity：I2C, LINbus, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, DMA, POR, WDT
- Number of I/O：38
- Program Memory Size：64KB (64K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：8K x 8
- Voltage - Supply (Vcc/Vdd)：2.7V ~ 5.5V
- Data Converters：A/D 12x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-TQFP (7x7)
- Package / Case：48-TQFP
- Grade：-
- Qualification：-
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Overview
The ATSAMC20G16A-AUT is an automotive-grade ARM microcontroller from the ATSAMC20 series, manufactured by Microchip Technology. It features a 32-bit ARM Cortex-M0+ core operating at a maximum clock frequency of 48 MHz. The device includes 64 kB of program memory and 8 kB of data RAM. It supports a supply voltage range of 2.7 V to 5.5 V and offers 38 general-purpose I/O pins. Key peripherals include a 12-channel 12-bit ADC, five timers/counters, and interfaces such as I2C, LIN, PMBus, SPI, and USART. It is housed in a 48-TQFP package and is qualified under AEC-Q100 standards for operation between -40°C and +85°C.
Feature Summary
- Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments.
- Integrated support for LIN bus communication protocols suitable for automotive networking.
- Includes dedicated PMBus interface capability for power management system control.
- Features built-in peripheral protection mechanisms including brown-out detection and watchdog timer.
Applications
- Automotive body electronics and comfort systems
- LIN bus node implementation in vehicle networks
- Power supply monitoring and control units
- General embedded control in automotive modules
Procurement Notes
Verify that the specific part number suffix matches the required automotive grade and temperature range specifications. Confirm package integrity upon receipt, as moisture sensitivity requires proper handling. Ensure compatibility with existing design infrastructure regarding pinout and electrical characteristics before final integration.
Selection Notes
Select this component when automotive certification is mandatory and LIN or PMBus interfaces are required. Compare memory sizes against application needs, noting the 64 kB flash limit. Evaluate pin count requirements, as the 48-pin package provides 38 I/Os. Consider thermal performance within the specified industrial temperature range during board layout.
Part Context
This microcontroller belongs to the ATSAMC20 family, designed specifically for automotive applications requiring robustness and specific communication protocols. It complements other devices in the lineup by offering a balance of processing power and connectivity features tailored for cost-sensitive automotive subsystems.
Replacement Considerations
Consult official Microchip documentation for verified cross-reference parts within the ATSAMC20 series. Ensure any substitute maintains AEC-Q100 qualification and identical pin compatibility if used as a direct drop-in replacement.
