ATSAMD21E16B-AU vs ATSAMD21E16B-UUTB4 Comparison
Detailed side-by-side comparison of ATSAMD21E16B-AU by Microchip Technology and ATSAMD21E16B-UUTB4 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
ATSAMD21E16B-AU - 48MHz Cortex-M0+ MCU, 64KB Flash | Microchip
ATSAMD21E16B-AU ✓ ActiveMicrochip Technology
ATSAMD21E16B-UUTB4 - 48MHz Cortex-M0+ MCU, 64KB Flash | WLCSP-32
ATSAMD21E16B-UUTB4 ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E16B-AU | ATSAMD21E16B-UUTB4 |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M0+ | ARM Cortex-M0+ (32-bit) |
| Core Size | 32-Bit Single-Core | — |
| Maximum CPU Speed | 48 MHz | — |
| Performance | 2.46 CoreMark/MHz | — |
| Program Memory (Flash) | 64 KB (32K x 16) | 64 KB |
| RAM | 8 KB | — |
| Operating Voltage | 1.62 V to 3.63 V | — |
| I/O Pins | Up to 26 | — |
| Package | 32-TQFP (7x7 mm) | 32-ball WLCSP |
| Connectivity | I2C, LINbus, SPI, UART/USART, USB | — |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 20 channels, 350 ksps |
| Analog Comparators | 2 | — |
| Timers/Counters | TC (16-bit), TCC (24-bit) | TCC (6 PWM), TC (3x 16-bit), RTC |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C | -40 C to +85 C |
| RoHS Status | Compliant | Compliant |
| Maximum Clock Frequency | — | 48 MHz |
| SRAM | — | 8 KB |
| Supply Voltage | — | 1.62 V to 3.63 V |
| DAC | — | 2x 12-bit |
| SERCOM Modules | — | 6 (configurable as I2C/SPI/UART/USART) |
| USB | — | USB 2.0 Full-Speed Device/Host with on-chip transceiver |
| External Interrupts | — | 16 lines + 1 NMI |
| Debug Interface | — | Serial Wire Debug (SWD) |
| MSL Level | — | MSL1 (per WLCSP handling) |