The document describes the features and characteristics of a product, including the ARM926EJ-S™ ARM® Thumb® Processor, embedded memories, external bus interface, USB 2.0 ports, and other functionalities.
The AT91SAM9G20 handbook details the ARM926EJ‑S based microcontroller, its integrated peripherals, and supported memory interfaces. It includes block diagrams, signal descriptions, and comprehensive electrical characteristics.
Key sections cover USB 2.0 device and host ports, Ethernet MAC 10/100, ADC, timers, and package options (217‑ball LFBGA and 247‑ball TFBGA). The document also provides ordering information and errata for revisions A and B.
| CPU Frequency | 400 MHz |
|---|---|
| Processor Core | ARM926EJ‑S Thumb |
| USB Device Port | USB 2.0 Full Speed (12 Mbit/s) |
| USB Host Port | USB 2.0 Full Speed (12 Mbit/s) |
| Ethernet MAC | 10/100 Base‑T |
| Package Options | 217‑ball LFBGA, 247‑ball TFBGA (RoHS‑compliant) |
| Power Supply Range (Core) | 0.9 V – 1.1 V |
It incorporates the ARM926EJ‑S Thumb processor.
It is offered in a 217‑ball LFBGA and a 247‑ball TFBGA, both RoHS‑compliant.
The ARM core can run up to 400 MHz.