Microchip Technology ATSAMD21E15B-UUT
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $94,999.99 | $94,999.99 |
| 15+ | $91,999.99 | $1,379,999.85 |
| 25+ | $89,999.99 | $2,249,999.75 |
| 50+ | $84,999.99 | $4,249,999.50 |
| 100+ | $74,999.99 | $7,499,999.00 |
| N+ | $15,000.00 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | SAM D21E, Functional Safety (FuSa) |
| Packaging | | Tape & Reel (TR) |
| Core Processor | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core |
| Speed | 48MHz |
| Connectivity | I2C, LINbus, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| Number of I/O | 26 |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 4K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V |
| Data Converters | A/D 10x12b; D/A 1x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 35-WLCSP (2.82x2.53) |
| Package / Case | 35-XFBGA, WLCSP |
| ROHS |
The ATSAMD21E15B-UUT is a 32-bit microcontroller from Microchip featuring an ARM Cortex-M0+ core at 48MHz. It offers 32KB flash and 4KB SRAM in a compact 35-ball WLCSP package. With a supply range of 1.62V to 3.6V and peripherals like DMA, I2S, PWM, and WDT, it is designed for space-constrained, low-power embedded applications.
- Ultra-compact WLCSP package: saves board space for miniaturized designs.
- Wide voltage range (1.62V-3.6V): supports single-cell battery operation.
- Integrated I2S: simplifies audio interface design without external codecs.
- DMA controller: offloads CPU for data transfer, improving efficiency.
- Brown-out detect and watchdog: enhances system reliability in harsh conditions.
Portable Sensor Nodes
Low 1.62V operation and WLCSP package enable compact, energy-efficient designs for IoT sensing.
Wearable Health Monitors
DMA and PWM support efficient sensor data collection and haptic feedback in small form factors.
Audio Accessories
Integrated I2S peripheral simplifies digital audio streaming for headsets or microphone arrays.
Industrial Control Panels
Brown-out detection and watchdog timer ensure reliable operation in noisy environments.
Battery Management
Low-power modes and wide voltage range allow direct battery monitoring without extra regulators.
Smart Home Controllers
48MHz Cortex-M0+ provides enough compute for protocol handling and peripheral control.
- Q: What is the operating voltage range?
- A: 1.62V to 3.6V, suitable for battery-powered designs.
- Q: What core does it use?
- A: ARM Cortex-M0+ at 48MHz.
- Q: How much flash and RAM?
- A: 32KB flash and 4KB SRAM.
- Q: What package is available?
- A: 35-ball WLCSP (XFBGA).
- Q: Does it support I2S?
- A: Yes, includes I2S for audio interfaces.
- Q: What is the operating voltage range?
- A: 1.62V to 3.6V, suitable for battery-powered designs.
- Q: What core does it use?
- A: ARM Cortex-M0+ at 48MHz.
- Q: How much flash and RAM?
- A: 32KB flash and 4KB SRAM.
- Q: What package is available?
- A: 35-ball WLCSP (XFBGA).
- Q: Does it support I2S?
- A: Yes, includes I2S for audio interfaces.

ATSAMD21E15B-UUT.pdf