This summary document introduces the features and characteristics of the Atmel AT91SAM9RL64 processor, including the processor's core architecture, cache and bus interface, memory, external interface and I/O controllers.
The AT91SAM9RL64 is an ARM926EJ‑S™ ARM® Thumb® microcontroller featuring a 210 MIPS core at 190 MHz, 32 KB internal ROM, 64 KB internal SRAM, and a rich set of peripherals including USB 2.0 High‑Speed, LCD controller, AC97 audio, and a 6‑channel ADC. It integrates a multi‑layer AHB bus matrix, DMA engines, and extensive power‑management capabilities.
The device is offered in a 217‑ball LFBGA package (RL64) and supports a wide range of external memories via its EBI, as well as numerous I/O options such as USARTs, SPI, SSC, PWM, and timer/counter modules. Detailed signal descriptions, power‑supply requirements, and ordering information are provided for designers.
| Processor | ARM926EJ‑S™ ARM® Thumb® |
|---|---|
| Maximum MIPS | 210 MIPS at 190 MHz |
| Internal ROM | 32 KB |
| Internal SRAM | 64 KB |
| USB Device Controller | High Speed 480 Mbit/s USB 2.0 |
| VDDCORE Voltage Range | 1.08 V to 1.32 V |
It incorporates an ARM926EJ‑S™ ARM® Thumb® processor.
It supports High Speed USB 2.0 at 480 Mbit/s.
VDDCORE must be between 1.08 V and 1.32 V.