The AT91SAM7S64 is a 32-bit microcontroller based on the ARM7TDMI core, with high advantages in power consumption, performance, function and price.
This handbook describes the AT91FR40162S microcontroller, a member of Atmel's AT91 family based on the ARM7TDMI core. It details the device's high‑performance 32‑bit RISC architecture, on‑chip SRAM and Flash memory, and low‑power features.
The document includes pin configuration, signal descriptions, architectural overview, system and user peripheral information, power‑supply considerations, and mechanical data such as package dimensions and soldering profile.
| On‑chip SRAM | 256 KB |
|---|---|
| Flash memory | 2 MB (1024K words × 16‑bit) |
| External address space | 64 MB |
| Programmable I/O lines | 32 |
| Timer/Counter channels | 3 (16‑bit) |
| USARTs | 2 |
| I/O operating voltage | 2.7 V – 3.6 V |
| Core operating voltage | 1.65 V – 1.95 V |
| Operating temperature range | -40 °C – 85 °C |
| Package | 121‑ball BGA, 10 × 10 × 1.2 mm, 0.8 mm ball pitch |
The device contains 1024K 16‑bit words, which equals 2 MB of flash memory.
It provides 32 programmable I/O lines.
It operates from –40 °C up to 85 °C.