Microchip Technology ATSAMC21J18A-MUT Microcontrollers
IC MCU 32BIT 256KB FLASH 64QFN

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAMC21J18A-MUT
Base Model
Detailed Description
IC MCU 32BIT 256KB FLASH 64QFN
Package
64-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
ATSAMC21J18A-MUT Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAMC21J18A-MUT Microcontrollers technical specifications.
General
RAM Size
32K x 8
Package / Case
64-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, DMA, POR, WDT
Number of I/O
52
Speed
48MHz
Core Processor
ARM® Cortex®-M0+
Alternate Parts Comparison (ATSAMC21J18A-MUT vs ATSAMC21J17A-AUT vs ATSAMC21J18A-AUT vs ATSAMC21J17A-MNT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 64-VFQFN Exposed Pad | 64-TQFP | 64-TQFP | 64-VFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ |
| 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 | 16K x 8 |
| Connectivity | CANbus, I²C, LINbus, SPI, UART/USART | CANbus, I²C, LINbus, SPI, UART/USART | CANbus, I²C, LINbus, SPI, UART/USART | CANbus, I²C, LINbus, SPI, UART/USART |
| 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 20x12b, 3x16b; D/A 1x10b |
| Number of I/O | 52 | 52 | 52 | 52 |
| 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, POR, 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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