AT91SAM7A3-EK Evaluation Board is an evaluation board that can be used for evaluation and development of applications based on AT91SAM7A3
The AT91SAM7A3‑EK evaluation board provides a development platform for the AT91SAM7A3 ARM7TDMI microcontroller. It includes USB, DBGU, CAN, LIN, analog and PWM interfaces, an SD/MMC/DataFlash slot, LEDs and an expansion connector.
The guide explains how to safely handle the board, power it via USB or a 5 V adapter, add a backup battery, and use the provided DVD‑ROM and software tools. Detailed block diagrams, schematics and a revision history are also included.
| Microcontroller | AT91SAM7A3 (100‑pin LQFP) |
|---|---|
| Flash Memory | 256 KB internal high‑speed Flash |
| SRAM | 32 KB internal high‑speed SRAM |
| Maximum Clock Frequency | Up to 30 MHz |
| Backup Battery | 3.6 V lithium thionyl‑chloride (SAFT LS14250 or equivalent) |
A 3.6 V lithium thionyl‑chloride battery such as the SAFT LS14250, or an equivalent, can be used.