ATSAMD21E16C-UUTB4 vs ATSAMD21E16B-UUTB4 Comparison
Detailed side-by-side comparison of ATSAMD21E16C-UUTB4 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
ATSAMD21E16C-UUTB4 - 48MHz Cortex-M0+ MCU 64KB Flash 35-WLCSP
ATSAMD21E16C-UUTB4 β ActiveMicrochip Technology
ATSAMD21E16B-UUTB4 - 48MHz Cortex-M0+ MCU, 64KB Flash | WLCSP-32
ATSAMD21E16B-UUTB4 β ActiveSpecification Comparison
| Parameter | ATSAMD21E16C-UUTB4 | ATSAMD21E16B-UUTB4 |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.27 | $2.28 |
| Core Architecture | ARM Cortex-M0+ | β |
| Operating Frequency (Max) | 48 MHz | β |
| Program Memory (Flash) | 64 KB | 64 KB |
| Data Memory (SRAM) | 8 KB | β |
| Data Width | 32-bit | β |
| Package | 35-WLCSP (2.82 x 2.53 mm) | 32-ball WLCSP |
| Supply Voltage Range | 1.62 V to 3.63 V | β |
| GPIO Count | 26 (per WLCSP ballout) | β |
| ADC | 12-bit, up to 12 channels, 350 kSPS | 12-bit, up to 20 channels, 350 ksps |
| DAC | 10-bit, 1 channel | 2x 12-bit |
| USB Interface | USB 2.0 Full-Speed with on-chip transceiver | β |
| Serial Interfaces | 2x I2C, 2x SPI, 2x UART, 1x I2S | β |
| Timers | 1x 24-bit + 2x 16-bit + 2x 8-bit TC | β |
| DMA Channels | 12-channel DMAC | β |
| Event System Channels | 12 | β |
| Debug Interface | Serial Wire Debug (SWD), 2-pin | Serial Wire Debug (SWD) |
| Functional Safety | FuSa (IEC 60730 Class B capable) | β |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C |
| Mounting Type | Surface Mount (WLCSP) | Surface Mount |
| RoHS Status | ROHS3 Compliant | Compliant |
| Core Processor | β | ARM Cortex-M0+ (32-bit) |
| Maximum Clock Frequency | β | 48 MHz |
| SRAM | β | 8 KB |
| Supply Voltage | β | 1.62 V to 3.63 V |
| SERCOM Modules | β | 6 (configurable as I2C/SPI/UART/USART) |
| USB | β | USB 2.0 Full-Speed Device/Host with on-chip transceiver |
| Timers/Counters | β | TCC (6 PWM), TC (3x 16-bit), RTC |
| External Interrupts | β | 16 lines + 1 NMI |
| MSL Level | β | MSL1 (per WLCSP handling) |