Microchip Technology ATSAMD21G16B-AUT Microcontroller, Microprocessor, FPGA Modules
IC MCU 32BIT 64KB FLASH 48TQFP

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAMD21G16B-AUT
Detailed Description
IC MCU 32BIT 64KB FLASH 48TQFP
Package
48-TQFP
Key Features
Package / Case: 48-TQFP; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATSAMD21G16B-AUT Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAMD21G16B-AUT Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
SAM D21G, Functional Safety (FuSa)
Interface
I2C, I2S, LIN, SPI, UART, USART, USB
Memory Size
64 kB
RAM Size
8K x 8
RoHS
True
Number of Pins
48
Package / Case
48-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.62V ~ 3.6V
Alternate Parts Comparison (ATSAMD21G16B-AUT vs ATSAMD20G18A-ANT vs AVR64DA48T-I/PT vs AVR64DB48-E/PT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 48-TQFP | 48-TQFP | 48-TQFP | 48-TQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) |
| Supply Voltage | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | AVR | AVR |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 8-Bit | 8-Bit |
| RAM Size | 8K x 8 | 32K x 8 | 8K x 8 | 8K x 8 |
| Connectivity | I²C, LINbus, SPI, UART/USART, USB | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART |
| Data Converters | A/D 14x12b; D/A 1x10b | A/D 14x12b; D/A 1x10b | A/D 18x12b; D/A 1x10b | A/D 18x12b; D/A 1x10b |
| Number of I/O | 38 | 38 | 41 | 40 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | Brown-out Detect/Reset, POR, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
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