AT91SAM7A1-AU vs AT91SAM7X512B-AU Comparison
Detailed side-by-side comparison of AT91SAM7A1-AU by Microchip Technology and AT91SAM7X512B-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
AT91SAM7A1-AU 40MHz ARM7 ROMless MCU | Microchip Technology
AT91SAM7A1-AU ✓ ActiveMicrochip Technology
AT91SAM7X512B-AU - 512KB Flash ARM7 MCU w/ Ethernet | Microchip
AT91SAM7X512B-AU NrndSpecification Comparison
| Parameter | AT91SAM7A1-AU | AT91SAM7X512B-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | NRND |
| Product Type | ARM7 ROMless Microcontroller | — |
| Processor Architecture | ARM7 16/32-bit RISC | — |
| Maximum CPU Frequency | 40 MHz | — |
| Instruction Set | 32-bit RISC with dense 16-bit Thumb instruction set | — |
| Program Memory | ROMless; external memory required | — |
| Internal RAM | 4 KB | — |
| Package | 144-LQFP (20 x 20 mm) | 100-LQFP (14x14 mm) |
| Pin Count | 144 pins | — |
| Mounting Type | Surface mount | Surface Mount |
| Debug Support | Embedded ICE and Debug Communication Channel | — |
| Core | ARM7TDMI | — |
| Architecture | High-performance 32-bit RISC | — |
| Application | General-purpose embedded control | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant (Green, MS-026) |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] | — |
| Core Architecture | — | ARM7TDMI 32-bit RISC |
| Operating Frequency | — | 55 MHz |
| Program Memory (Flash) | — | 512 KB |
| SRAM | — | 128 KB |
| Operating Voltage | — | 1.8 V (core) / 3.3 V (I/O), single 3.3 V supply typical |
| Ethernet | — | 10/100 Mbps MAC (MII/RMII) integrated |
| USB | — | USB 2.0 Full-Speed Device |
| CAN | — | CAN 2.0A/B |
| PWM Channels | — | 4 (per distributor listing) |
| Timers | — | [DATA_NEEDED: timer count] |
| ADC | — | [DATA_NEEDED: ADC channels/resolution] |
| Operating Temperature | — | -40 C to +85 C (industrial) |
| MSL Level | — | [DATA_NEEDED: MSL level] |