ATSAMA5D23A-CN vs ATSAMA5D21B-CU Comparison
Detailed side-by-side comparison of ATSAMA5D23A-CN by Microchip Technology and ATSAMA5D21B-CU 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
ATSAMA5D23A-CN - 500MHz Cortex-A5 MPU, 196-TFBGA | Microchip
ATSAMA5D23A-CN ✓ ActiveMicrochip Technology
ATSAMA5D21B-CU - ARM Cortex-A5 500MHz MPU, 196-TFBGA | Microchip
ATSAMA5D21B-CU ✓ ActiveSpecification Comparison
| Parameter | ATSAMA5D23A-CN | ATSAMA5D21B-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-A5 (32-bit) with NEON and FPU | — |
| Maximum CPU Clock | 500 MHz | 500 MHz |
| Instruction Cache | 32 KB | — |
| Data Cache | 32 KB | — |
| Internal SRAM | 128 KB | — |
| Internal ROM | 160 KB (bootloader/at91bootstrap) | — |
| External Memory Bus | 16-bit DDR2/DDR3/LPDDR/LPDDR2 | — |
| Package | 196-ball TFBGA (CN suffix) | 196-TFBGA (11x11 mm) |
| Mounting Type | Surface Mount (SMD/SMT) | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C |
| Supply Voltage - Core | 1.2 V | — |
| Supply Voltage - I/O | 3.3 V | — |
| Supply Voltage - DDR | 1.8 V | — |
| LCD Controller | Yes (up to 1280x768 WXGA, 24-bit RGB/LVDS bridge) | — |
| Ethernet | 1x Gigabit EMAC | — |
| USB | USB 2.0 Host + Device + HSIC | — |
| CAN | 1x CAN-FD | — |
| Cryptography | AES, SHA-256, TRNG | — |
| RoHS | Compliant | — |
| Series | SAMA5D2 | SAMA5D2 |
| Manufacturer | — | Microchip Technology |
| Core Processor | — | ARM Cortex-A5 |
| Core Count | — | 1 |
| Data Bus Width | — | 32-bit |
| Ball Pitch | — | 0.8 mm |
| External Memory Support | — | DDR2/DDR3L/LPDDR2/LPDDR3, QSPI, e.MMC |
| Co-processors | — | NEON MPE, FPU |
| Backup Mode Current | — | 5 uA (typical) |
| Security Features | — | AES, SHA, TRNG, Secure Boot, Tamper Detection |
| RoHS Status | — | Compliant |
| MSL Level | — | 3 |