Key facts
- Brand
- STMicroelectronics
- Model
- SPEAr300
- Category
- microcontrollers
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-09
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STMicroelectronics SPEAr300 Embedded MPU Datasheet
The SPEAr300 is an embedded microprocessor unit (MPU) based on the ARM926EJ-S core, designed for networked devices requiring high computation performance. It supports virtual memory management via an MMU, making it compliant with advanced operating systems like Linux. The device includes 16 KB of data cache, 16 KB of instruction cache, and JTAG/ETM for debug operations.
The SPEAr300 offers a full set of peripherals suitable for various applications, including Human Machine Interface (HMI), security systems, and VoIP phones. Key features include a high-performance 8-channel DMA, dynamic power-saving features, and configurable peripheral functions on 102 shared I/Os. It supports external memory interfaces such as LPDDR-333 and DDR2-666, as well as various serial interfaces including USB 2.0, Ethernet, and I2C.
STMicroelectronics SPEAr300 specifications
| Core | ARM926EJ-S |
|---|---|
| Clock speed | up to 333 MHz |
| Internal SRAM | 56 KB |
| External memory interface | LPDDR-333/DDR2-666 |
| Max addressable memory | up to 1 GB |
| ADC resolution | 10-bit |
| ADC sampling rate | 1 Msps |
| Package | LFBGA289 |
All STMicroelectronics SPEAr300 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What processor core does the SPEAr300 use?
The SPEAr300 is based on the ARM926EJ-S processor.
What is the maximum clock speed of the SPEAr300?
The SPEAr300 core operates at up to 333 MHz.
How many ADC channels does the EVALSPEAr300 have?
The board has up to 8 ADC channels with a resolution of 10 bit.
From: STMicroelectronics EVALSPEAr300 Evaluation Board Data Brief
What is the maximum data rate for the serial port?
The board includes one serial port that supports speeds up to 115 Kbaud.
From: STMicroelectronics EVALSPEAr300 Evaluation Board Data Brief