ATSAMA5D28A-CU vs ATSAMA5D27A-CNR Comparison
Detailed side-by-side comparison of ATSAMA5D28A-CU by Microchip Technology and ATSAMA5D27A-CNR 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
ATSAMA5D28A-CU - ARM Cortex-A5 500MHz MPU, 289-LFBGA | Microchip
ATSAMA5D28A-CU ✓ ActiveMicrochip Technology
ATSAMA5D27A-CNR - 500MHz Cortex-A5 MPU, 289-LFBGA | Microchip
ATSAMA5D27A-CNR ✓ ActiveSpecification Comparison
| Parameter | ATSAMA5D28A-CU | ATSAMA5D27A-CNR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $14.85 | $10.95 |
| Core Architecture | ARM Cortex-A5 (32-bit) | — |
| Maximum CPU Clock | 500 MHz | 500 MHz |
| Number of Cores | 1 | 1 Core, 32-Bit |
| SIMD Engine | ARM NEON | — |
| Floating-Point Unit | Yes (VFPv4) | — |
| Instruction Set | ARMv7-A | — |
| On-chip ROM | 160 KB (secure boot) | — |
| External Memory Support | DDR2 / DDR3L / LPDDR2 / LPDDR3 (16-bit, with ECC) | — |
| Flash Interface | QSPI, e.MMC, SD | — |
| Package | 289-LFBGA (14x14 mm) | 289-LFBGA, 14x14 mm |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial grade per -CU suffix) | -40C to +105C (industrial) |
| Supply Voltage (Core) | 1.2 V | — |
| LCD Controller | Yes (with touch-screen support) | — |
| Cryptography | AES, SHA, secure boot (TRNG + AES-OTF) | — |
| Ethernet | 10/100 Mbps MAC with PHY interface | 10/100 Mbps (1x EMAC) with IEEE 1588 |
| USB | USB 2.0 Host + Device with on-chip PHY | USB 2.0 + HSIC |
| CAN | CAN-FD | CAN, CAN-FD (1) |
| ADC | 12-bit, multi-channel | — |
| RoHS Status | Compliant | Compliant |
| MSL Level | [DATA_NEEDED: MSL level] | 3 |
| Core Processor | — | ARM Cortex-A5 |
| Instruction Set Architecture | — | ARMv7-A with Neon, MPE |
| Graphics Acceleration | — | Yes (2D Graphics LCD Controller, GLCDC) |
| L1 Cache | — | 32 KB I-cache + 32 KB D-cache |
| L2 Cache | — | 128 KB |
| External Memory Controller | — | DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC Flash |
| Display Interface | — | Keyboard, LCD, Touchscreen (24-bit GLCDC) |
| Hardware Cryptography | — | AES-128/256, secure boot, TRNG, tamper pins |
| I/O Voltage | — | 3.3 V |
| Delivery Form | — | Tape & Reel (TR) |