ATSAM4SD32BA-AUR vs ATSAM4SD32BA-AU Comparison
Detailed side-by-side comparison of ATSAM4SD32BA-AUR 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
ATSAM4SD32BA-AUR - 120MHz Cortex-M4 MCU, 2MB Flash, 64-LQFP | Microchip
ATSAM4SD32BA-AUR ✓ ActiveMicrochip Technology
ATSAM4SD32BA-AU - 120MHz Cortex-M4 MCU 2MB Flash | Microchip
ATSAM4SD32BA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM4SD32BA-AUR | ATSAM4SD32BA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.78 | $9.45 |
| Manufacturer | Microchip Technology (Atmel) | — |
| Series | SAM4S (SAM4SD32 sub-family) | — |
| Core | ARM Cortex-M4F (32-bit, single-precision FPU) | ARM Cortex-M4 with DSP, Thumb-2 |
| Core Frequency (max) | 120 MHz | — |
| Program Memory | 2 MB Flash (2M x 8) | — |
| SRAM | 160 KB (128 KB general + 32 KB tightly-coupled) | 160 KB |
| Operating Voltage (VDD) | 1.62 V to 3.6 V | — |
| Core Voltage (VDDOUT) | 1.2 V (internal LDO) | — |
| Operating Temperature | -40 C to +85 C (industrial) | -40C to +85C (Industrial) |
| Package | 64-LQFP, 10x10 mm, 0.5 mm pitch | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| I/O Pins | 47 (multi-function multiplexed) | — |
| USB | USB 2.0 High-Speed Device/Host/OTG, on-chip transceiver | USB 2.0 FS Device + FS Host/Device |
| ADC | 8-channel, 10-bit, 1 MSPS | 12-bit, up to 24 channels |
| DAC | 2-channel, 12-bit | 12-bit, 1 channel |
| Timer/Counter | TC block 0/1 (six 16-bit channels), PWM, 32-bit RTT | — |
| Communication | 5x USART, 3x UART, 2x TWI (I2C), 3x SPI, 1x HS-SPI, 2x CAN, EMAC, HS-USB | — |
| DMA | 8-channel peripheral DMA (PDC) + 8-channel central DMA | Peripheral DMA + 16-channel Central DMA |
| RoHS / REACH | Compliant (Pb-free LQFP) | — |
| MSL Level | MSL3 (per JEDEC J-STD-020) | 3 (168 hours) |
| Maximum Clock Frequency | — | 120 MHz |
| 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 |
| CAN | — | 2x CAN 2.0A/B |
| External Bus Interface | — | Yes (EBI for SRAM/SDRAM) |
| RoHS Status | — | Compliant |