ATSAMD21E16C-UUTB4 vs ATSAMD21E16B-AU Comparison
Detailed side-by-side comparison of ATSAMD21E16C-UUTB4 by Microchip Technology and ATSAMD21E16B-AU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAMD21E16C-UUTB4 - 48MHz Cortex-M0+ MCU 64KB Flash 35-WLCSP
ATSAMD21E16C-UUTB4 ✓ ActiveMicrochip Technology
ATSAMD21E16B-AU - 48MHz Cortex-M0+ MCU, 64KB Flash | Microchip
ATSAMD21E16B-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E16C-UUTB4 | ATSAMD21E16B-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-M0+ | — |
| Operating Frequency (Max) | 48 MHz | — |
| Program Memory (Flash) | 64 KB | 64 KB (32K x 16) |
| Data Memory (SRAM) | 8 KB | — |
| Data Width | 32-bit | — |
| Package | 35-WLCSP (2.82 x 2.53 mm) | 32-TQFP (7x7 mm) |
| Supply Voltage Range | 1.62 V to 3.63 V | — |
| GPIO Count | 26 (per WLCSP ballout) | — |
| ADC | 12-bit, up to 12 channels, 350 kSPS | 12-bit, up to 350 ksps |
| DAC | 10-bit, 1 channel | — |
| USB Interface | USB 2.0 Full-Speed with on-chip transceiver | — |
| Serial Interfaces | 2x I2C, 2x SPI, 2x UART, 1x I2S | — |
| Timers | 1x 24-bit + 2x 16-bit + 2x 8-bit TC | — |
| DMA Channels | 12-channel DMAC | — |
| Event System Channels | 12 | — |
| Debug Interface | Serial Wire Debug (SWD), 2-pin | — |
| Functional Safety | FuSa (IEC 60730 Class B capable) | — |
| Operating Temperature | -40 C to +85 C | -40C to +85C |
| Mounting Type | Surface Mount (WLCSP) | Surface Mount |
| RoHS Status | ROHS3 Compliant | Compliant |
| Core Processor | — | ARM Cortex-M0+ |
| Core Size | — | 32-Bit Single-Core |
| Maximum CPU Speed | — | 48 MHz |
| Performance | — | 2.46 CoreMark/MHz |
| RAM | — | 8 KB |
| Operating Voltage | — | 1.62 V to 3.63 V |
| I/O Pins | — | Up to 26 |
| Connectivity | — | I2C, LINbus, SPI, UART/USART, USB |
| Analog Comparators | — | 2 |
| Timers/Counters | — | TC (16-bit), TCC (24-bit) |