Microchip Technology ATSAMC21N18A-AN Microcontrollers
IC MCU 32BIT 256KB FLASH 100TQFP

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAMC21N18A-AN
Base Model
Detailed Description
IC MCU 32BIT 256KB FLASH 100TQFP
Package
100-TQFP
Lifecycle Status
Active
Datasheet
ATSAMC21N18A-AN Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAMC21N18A-AN Microcontrollers technical specifications.
General
RAM Size
32K x 8
Package / Case
100-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C (TA)
Supply Voltage
2.7V ~ 5.5V
Peripherals
Brown-out Detect/Reset, DMA, POR, WDT
Number of I/O
84
Speed
48MHz
Core Processor
ARM® Cortex®-M0+
Program Memory Type
Flash
Alternate Parts Comparison (ATSAMC21N18A-AN vs ATSAMC21N17A-ANT vs ATSAMC21N18A-ANT vs ATSAME53N19A-AU)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 100-TQFP | 100-TQFP | 100-TQFP | 100-TQFP |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 1.71V ~ 3.63V |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M4F |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 32K x 8 | 16K x 8 | 32K x 8 | 192K x 8 |
| Connectivity | CANbus, I²C, LINbus, SPI, UART/USART | CANbus, I²C, LINbus, SPI, UART/USART | CANbus, I²C, LINbus, SPI, UART/USART | EBI/EMI, Ethernet, I²C, IrDA, LINbus, MMC/SD, QSPI, SPI, UART/USART, USB |
| Data Converters | A/D 20x12b, 3x16b; D/A 1x10b | A/D 20x12b, 3x16b; D/A 1x10b | A/D 20x12b, 3x16b; D/A 1x10b | A/D 28x12b; D/A 2x12b |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, DMA, POR, WDT | Brown-out Detect/Reset, DMA, POR, WDT | Brown-out Detect/Reset, DMA, POR, WDT | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Program Memory Size | 256KB (256K x 8) | 128KB (128K x 8) | 256KB (256K x 8) | 512KB (512K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.