ATSAMA5D31A-CUR vs ATSAMA5D27B-CUR Comparison
Detailed side-by-side comparison of ATSAMA5D31A-CUR by Microchip Technology and ATSAMA5D27B-CUR 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
ATSAMA5D31A-CUR - 536MHz ARM Cortex-A5 MPU 324-LFBGA | Microchip
ATSAMA5D31A-CUR ✓ ActiveMicrochip Technology
ATSAMA5D27B-CUR - 500MHz ARM Cortex-A5 MPU, 289-LFBGA | Microchip
ATSAMA5D27B-CUR ✓ ActiveSpecification Comparison
| Parameter | ATSAMA5D31A-CUR | ATSAMA5D27B-CUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-A5 (32-bit) with FPU | — |
| Maximum CPU Clock | 536 MHz | 500 MHz |
| L1 Instruction Cache | 32 KB | — |
| L1 Data Cache | 32 KB | — |
| Internal SRAM | 128 KB | — |
| Core Supply Voltage | 1.2 V (typ) | 1.2 V (typical) |
| I/O Supply Voltage | 1.8 V / 3.3 V | — |
| Package | 324-LFBGA (15 mm x 15 mm) | 289-LFBGA (14x14 mm, 0.8 mm pitch) |
| Operating Temperature | -40 C to +85 C (industrial) | — |
| External Memory Interface | DDR2 / LPDDR2 (16-bit) | — |
| Ethernet | 2x 10/100/1000 MAC with IEEE 1588 | 2x 10/100/1000 Mbps MAC with AVB/TSN |
| USB | 2x USB 2.0 High-Speed Host + Device | 1x USB 2.0 High-Speed Host, 1x USB 2.0 High-Speed Device |
| Display Controller | Integrated LCD controller | — |
| Operating System Support | Linux, Buildroot, OpenWrt | — |
| RoHS Status | Compliant | Compliant |
| Mounting Type | Surface Mount (BGA) | Surface Mount |
| Core Processor | — | ARM Cortex-A5 |
| Number of Cores | — | 1 |
| Data Bus Width | — | 32-bit |
| On-Chip SRAM | — | 128 KB |
| On-Chip ROM | — | 160 KB |
| External Memory Support | — | DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC, NAND, SD |
| Operating Temperature Range | — | -40C to +85C (industrial) |
| Graphics Support | — | LCD TFT controller up to 1024x768 |
| Camera Interface | — | CMOS sensor (12-bit parallel) |
| CAN | — | 2x CAN-FD |
| Hardware Crypto | — | AES, SHA, TRNG, secure boot, tamper pins |