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ATSAMD21J18A-MU
ARM MCU, SAM 32 Family SAM D21 Series Microcontrollers, ARM Cortex-M0+, 32 bit, 48 MHz, 256 KB
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ManufacturerMICROCHIP
Manufacturer Part NoATSAMD21J18A-MU
Newark Part No.45X9946
Product RangeSAM 32 Family SAM D21 Series Microcontrollers
Technical Datasheet
260 In Stock
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| Quantity | Price |
|---|---|
| 1+ | $3.370 |
| 10+ | $3.370 |
| 25+ | $3.370 |
| 50+ | $3.370 |
| 100+ | $3.370 |
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Multiple: 1
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Product Information
ManufacturerMICROCHIP
Manufacturer Part NoATSAMD21J18A-MU
Newark Part No.45X9946
Product RangeSAM 32 Family SAM D21 Series Microcontrollers
Technical Datasheet
Product RangeSAM 32 Family SAM D21 Series Microcontrollers
Device CoreARM Cortex-M0+
No. of Bits32bit
Data Bus Width32bit
Data Bus Width32 bit
Operating Frequency Max48MHz
CPU Speed48MHz
Program Memory Size256KB
No. of Pins64Pins
IC Case / PackageQFN
No. of I/O's52I/O's
MCU Case StyleQFN
InterfacesI2C, I2S, SPI, UART, USB
RAM Memory Size32KB
Embedded Interface TypeI2C, I2S, SPI, UART, USB
ADC Channels20Channels
ADC Resolution12Bit
MCU FamilySAM32
Supply Voltage Min1.62V
Supply Voltage Max3.63V
MCU SeriesSAM D2X
Operating Temperature Min-40°C
Operating Temperature Max85°C
IC MountingSurface Mount
Qualification-
Product Overview
SMART ARM-based microcontroller.
- ARM Cortex-M0+ CPU running at up to 48MHz
- Single-cycle hardware multiplier and in-system self-programmable flash
- Power-on reset (POR) and brown-out detection (BOD)
- External Interrupt Controller (EIC), idle and standby sleep modes
- 12-channel DMAC, up to five 16bit TC, three 24bit TCC, 32bit RTC with clock/calendar function
- Watchdog Timer (WDT), CRC-32 generator
- One 2-ch Inter-IC Sound (I2S) interface, 2 analogue comparators (AC) with window compare function
- 256-channel capacitive touch and proximity sensing
- Up to 52 programmable I/O pins
- Drop in compatible with SAM D20
Technical Specifications
Product Range
SAM 32 Family SAM D21 Series Microcontrollers
No. of Bits
32bit
Data Bus Width
32 bit
CPU Speed
48MHz
No. of Pins
64Pins
No. of I/O's
52I/O's
Interfaces
I2C, I2S, SPI, UART, USB
Embedded Interface Type
I2C, I2S, SPI, UART, USB
ADC Resolution
12Bit
Supply Voltage Min
1.62V
MCU Series
SAM D2X
Operating Temperature Max
85°C
Qualification
-
SVHC
No SVHC (25-Jun-2025)
Device Core
ARM Cortex-M0+
Data Bus Width
32bit
Operating Frequency Max
48MHz
Program Memory Size
256KB
IC Case / Package
QFN
MCU Case Style
QFN
RAM Memory Size
32KB
ADC Channels
20Channels
MCU Family
SAM32
Supply Voltage Max
3.63V
Operating Temperature Min
-40°C
IC Mounting
Surface Mount
MSL
MSL 3 - 168 hours
Technical Docs (2)
Associated Products
5 Products Found
Legislation and Environmental
US ECCN:3A991A2
EU ECCN:Unknown
RoHS Compliant:Yes
RoHS
RoHS Phthalates Compliant:Yes
RoHS
SVHC:No SVHC (25-Jun-2025)
Download Product Compliance Certificate
Product Compliance Certificate
Product traceability