ATSAM4SD16BA-UUR vs ATSAM4SD32BA-AU Comparison
Detailed side-by-side comparison of ATSAM4SD16BA-UUR by Microchip Technology and ATSAM4SD32BA-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
ATSAM4SD16BA-UUR - 1MB Flash Cortex-M4 MCU 64-WLCSP | Microchip
ATSAM4SD16BA-UUR ✓ ActiveMicrochip Technology
ATSAM4SD32BA-AU - 120MHz Cortex-M4 MCU 2MB Flash | Microchip
ATSAM4SD32BA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM4SD16BA-UUR | ATSAM4SD32BA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.95 | $9.45 |
| Core Architecture | ARM Cortex-M4 (32-bit RISC) | — |
| Maximum Clock Frequency | 120 MHz | 120 MHz |
| FPU | Yes (single-precision) | — |
| DSP Extensions | Yes | — |
| Program Memory (Flash) | 1024 KB (1 MB), dual-bank | — |
| SRAM | 160 KB | 160 KB |
| Supply Voltage (VDDIO/VDD) | 1.62 V to 3.6 V | — |
| I/O Pins | 47 (max) | — |
| Package | WLCSP-64 (4.7 x 4.7 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount (wafer-level) | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| USB | USB 2.0 Full-Speed Device | USB 2.0 FS Device + FS Host/Device |
| ADC | 10-bit, up to 8 channels | 12-bit, up to 24 channels |
| PWM Channels | 16-bit, multiple channels | — |
| Communication Interfaces | USART/UART, SPI, TWI (I2C) | — |
| DMA | Multi-channel peripheral DMA | Peripheral DMA + 16-channel Central DMA |
| RoHS Status | Compliant | Compliant |
| MSL Level | [DATA_NEEDED: MSL rating] | 3 (168 hours) |
| Core | — | ARM Cortex-M4 with DSP, Thumb-2 |
| Instruction Cache | — | 2 Kbytes |
| Flash Memory | — | 2 MB (2M x 8) |
| Memory Protection Unit (MPU) | — | Yes |
| Supply Voltage | — | 1.2 V core / 3.3 V I/O |
| DAC | — | 12-bit, 1 channel |
| CAN | — | 2x CAN 2.0A/B |
| External Bus Interface | — | Yes (EBI for SRAM/SDRAM) |