ATSAMD21E16B-UUTB4 vs ATSAMD21E16B-AU Comparison
Detailed side-by-side comparison of ATSAMD21E16B-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
ATSAMD21E16B-UUTB4 - 48MHz Cortex-M0+ MCU, 64KB Flash | WLCSP-32
ATSAMD21E16B-UUTB4 β ActiveMicrochip Technology
ATSAMD21E16B-AU - 48MHz Cortex-M0+ MCU, 64KB Flash | Microchip
ATSAMD21E16B-AU β ActiveSpecification Comparison
| Parameter | ATSAMD21E16B-UUTB4 | ATSAMD21E16B-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.28 | $2.10 |
| Core Processor | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ |
| Maximum Clock Frequency | 48 MHz | β |
| Program Memory (Flash) | 64 KB | 64 KB (32K x 16) |
| SRAM | 8 KB | β |
| Supply Voltage | 1.62 V to 3.63 V | β |
| Operating Temperature | -40 C to +85 C | -40C to +85C |
| Package | 32-ball WLCSP | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, up to 350 ksps |
| DAC | 2x 12-bit | β |
| SERCOM Modules | 6 (configurable as I2C/SPI/UART/USART) | β |
| USB | USB 2.0 Full-Speed Device/Host with on-chip transceiver | β |
| Timers/Counters | TCC (6 PWM), TC (3x 16-bit), RTC | TC (16-bit), TCC (24-bit) |
| External Interrupts | 16 lines + 1 NMI | β |
| Debug Interface | Serial Wire Debug (SWD) | β |
| MSL Level | MSL1 (per WLCSP handling) | β |
| RoHS Status | Compliant | Compliant |
| Core Size | β | 32-Bit Single-Core |
| Maximum CPU Speed | β | 48 MHz |
| Performance | β | 2.46 CoreMark/MHz |
| RAM | β | 8 KB |
| Operating Voltage | β | 1.62 V to 3.63 V |
| I/O Pins | β | Up to 26 |
| Connectivity | β | I2C, LINbus, SPI, UART/USART, USB |
| Analog Comparators | β | 2 |