Microchip Technology ATSAML21E18B-AUT Microcontrollers
IC MCU 32BIT 256KB FLASH 32TQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAML21E18B-AUT
Base Model
Detailed Description
IC MCU 32BIT 256KB FLASH 32TQFP
Package
32-TQFP
Lifecycle Status
Active
Datasheet
ATSAML21E18B-AUT Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAML21E18B-AUT Microcontrollers technical specifications.
General
RAM Size
32K x 8
RoHS
Yes
Number of Pins
32
Package / Case
32-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.62V ~ 3.63V
Lifecycle Status
Active
Peripherals
DMA, POR, PWM, WDT
Number of I/O
25
Alternate Parts Comparison (ATSAML21E18B-AUT vs ATSAML21E16B vs ATSAML21E18B-MUT vs ATSAML21E16B-MUT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 32-TQFP | -- | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad |
| Mounting Type | Surface Mount | -- | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -- | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.62V ~ 3.63V | -- | 1.62V ~ 3.63V | 1.62V ~ 3.63V |
| Core Processor | ARM® Cortex®-M0+ | -- | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core | -- | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 32K x 8 | -- | 32K x 8 | 8K x 8 |
| Connectivity | I²C, LINbus, SCI, SPI, UART/USART, USB | -- | I²C, LINbus, SCI, SPI, UART/USART, USB | I²C, LINbus, SCI, SPI, UART/USART, USB |
| Data Converters | A/D 10x12b; D/A 2x12b | -- | A/D 10x12b; D/A 2x12b | A/D 10x12b; D/A 2x12b |
| Number of I/O | 25 | -- | 25 | 25 |
| Oscillator Type | Internal | -- | Internal | Internal |
| Peripherals | DMA, POR, PWM, WDT | -- | DMA, POR, PWM, WDT | DMA, 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 .
Suggested replacements
CY8C4148AZQ-S453Infineon TechnologiesSimilar FunctionalityInfineon
IC MCU 32BIT 256KB FLASH 100TQFP
MKL26Z256VLH4NXP SemiconductorsNXP
IC MCU 32BIT 256KB FLASH 64LQFP
MKL27Z256VFM4NXP SemiconductorsNXP
IC MCU 32BIT 256KB FLASH 32QFN
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