ATSAM4SD32BA-AU vs ATSAM4SD32BA-AUR Comparison
Detailed side-by-side comparison of ATSAM4SD32BA-AU by Microchip Technology and ATSAM4SD32BA-AUR 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-AU - 120MHz Cortex-M4 MCU 2MB Flash | Microchip
ATSAM4SD32BA-AU ✓ ActiveMicrochip Technology
ATSAM4SD32BA-AUR - 120MHz Cortex-M4 MCU, 2MB Flash, 64-LQFP | Microchip
ATSAM4SD32BA-AUR ✓ ActiveSpecification Comparison
| Parameter | ATSAM4SD32BA-AU | ATSAM4SD32BA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $9.45 | $6.78 |
| Core | ARM Cortex-M4 with DSP, Thumb-2 | ARM Cortex-M4F (32-bit, single-precision FPU) |
| Maximum Clock Frequency | 120 MHz | — |
| Instruction Cache | 2 Kbytes | — |
| Flash Memory | 2 MB (2M x 8) | — |
| SRAM | 160 KB | 160 KB (128 KB general + 32 KB tightly-coupled) |
| Memory Protection Unit (MPU) | Yes | — |
| Supply Voltage | 1.2 V core / 3.3 V I/O | — |
| Operating Temperature | -40C to +85C (Industrial) | -40 C to +85 C (industrial) |
| Package | 64-LQFP (10x10 mm) | 64-LQFP, 10x10 mm, 0.5 mm pitch |
| Mounting Type | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 24 channels | 8-channel, 10-bit, 1 MSPS |
| DAC | 12-bit, 1 channel | 2-channel, 12-bit |
| USB | USB 2.0 FS Device + FS Host/Device | USB 2.0 High-Speed Device/Host/OTG, on-chip transceiver |
| CAN | 2x CAN 2.0A/B | — |
| External Bus Interface | Yes (EBI for SRAM/SDRAM) | — |
| DMA | Peripheral DMA + 16-channel Central DMA | 8-channel peripheral DMA (PDC) + 8-channel central DMA |
| MSL Level | 3 (168 hours) | MSL3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant | — |
| Manufacturer | — | Microchip Technology (Atmel) |
| Series | — | SAM4S (SAM4SD32 sub-family) |
| Core Frequency (max) | — | 120 MHz |
| Program Memory | — | 2 MB Flash (2M x 8) |
| Operating Voltage (VDD) | — | 1.62 V to 3.6 V |
| Core Voltage (VDDOUT) | — | 1.2 V (internal LDO) |
| I/O Pins | — | 47 (multi-function multiplexed) |
| 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 |
| RoHS / REACH | — | Compliant (Pb-free LQFP) |