ATSAMC21G18A-AUT vs ATSAMD21E16B-UUTB4 Comparison
Detailed side-by-side comparison of ATSAMC21G18A-AUT 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
ATSAMC21G18A-AUT - 256KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMC21G18A-AUT ✓ ActiveMicrochip Technology
ATSAMD21E16B-UUTB4 - 48MHz Cortex-M0+ MCU, 64KB Flash | WLCSP-32
ATSAMD21E16B-UUTB4 ✓ ActiveSpecification Comparison
| Parameter | ATSAMC21G18A-AUT | ATSAMD21E16B-UUTB4 |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.12 | $2.28 |
| Core Processor | ARM Cortex-M0+ | ARM Cortex-M0+ (32-bit) |
| Core Size | 32-Bit | — |
| Maximum Clock Speed | 48 MHz | — |
| Program Memory Size | 256 KB (256K x 8) Flash | — |
| EEPROM Emulation Region | 8 KB independent self-programmable Flash | — |
| RAM Size | 32 KB SRAM | — |
| Supply Voltage | 2.7 V to 5.5 V | 1.62 V to 3.63 V |
| I/O Voltage Tolerance | 5V-tolerant digital I/O | — |
| ADC | 12-bit | 12-bit, up to 20 channels, 350 ksps |
| DAC | 10-bit | 2x 12-bit |
| Communication Interfaces | SERCOM (UART/SPI/I2C), CAN-FD, I2S | — |
| Package | 48-TQFP (7x7 mm) | 32-ball WLCSP |
| Operating Temperature | -40C to +125C (automotive grade) | -40 C to +85 C |
| Mounting Type | Surface Mount | Surface Mount |
| AEC-Q100 | Qualified (Grade 1, automotive) | — |
| MSL Level | 3 (168 hours) | MSL1 (per WLCSP handling) |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | — |
| Maximum Clock Frequency | — | 48 MHz |
| Program Memory (Flash) | — | 64 KB |
| SRAM | — | 8 KB |
| SERCOM Modules | — | 6 (configurable as I2C/SPI/UART/USART) |
| USB | — | USB 2.0 Full-Speed Device/Host with on-chip transceiver |
| Timers/Counters | — | TCC (6 PWM), TC (3x 16-bit), RTC |
| External Interrupts | — | 16 lines + 1 NMI |
| Debug Interface | — | Serial Wire Debug (SWD) |