Overview
The SPEAr320-2 is an embedded microprocessor unit (MPU) manufactured by STMicroelectronics. It is optimized for a range of industrial and consumer applications, including factory automation, programmable logic controllers, printers, and more. The SPEAr320-2 features an ARM926EJ-S CPU core operating at up to 333 MHz, making it a robust solution for demanding applications. With its comprehensive set of peripherals and interfaces, this MPU is designed to support both real-time and high-level operating systems such as Linux and Windows Embedded Compact 7.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM926EJ-S |
| Maximum Clock Frequency | 333 MHz |
| Program Memory Size | 32 KB ROM |
| Data RAM Size | 8 KB SRAM |
| Interface Type | I2C, Serial, UART, USB |
| Operating Supply Voltage | 1.2 V |
| Maximum Operating Temperature | +85°C |
| Mounting Style | SMD/SMT |
| Package / Case | LFBGA-289 (15x15 mm, pitch 0.8 mm) |
| Number of Programmable I/Os | 102 |
| Number of Timers | 4 |
| Packaging | Tray |
Key Features
- High-performance 8-channel DMA controller
- Dynamic power-saving features
- Configurable peripheral functions on 102 shared I/Os
- Memory interfaces: LPDDR-333/DDR2-666, SDIO/MMC card interface, Serial Flash memory interface (SMI), Flexible static memory controller (FSMC) up to 16-bit data bus width
- Connectivity: 2 x USB 2.0 Host ports, 1 x USB 2.0 Device port, 2 x Fast Ethernet ports, 2 x CAN 2.0 ports, 3 x UART ports, 3 x I2C ports, 3 x synchronous serial ports (SPI, Microwire or TI protocol)
- Peripherals supported: TFT/STN LCD controller (up to 1024 x 768 and up to 24 bpp), Touchscreen support, Integrated real-time clock, watchdog, and system controller, 8-channel 10-bit ADC, 1 Msps, JPEG CODEC accelerator
- Security: Cryptographic accelerator
- Miscellaneous functions: 6 x 16-bit general purpose timers with programmable prescaler, 4 capture inputs, 4 x PWM timers
Applications
- Programmable logic controllers
- Factory automation
- Printers
- Human machine interface (HMI) terminals
- Medical equipment
- Smart energy meters and gateways
- VoIP phones
Q & A
- What is the core type of the SPEAr320-2?
The SPEAr320-2 features an ARM926EJ-S CPU core. - What is the maximum clock frequency of the SPEAr320-2?
The maximum clock frequency is 333 MHz. - What types of memory interfaces does the SPEAr320-2 support?
The SPEAr320-2 supports LPDDR-333/DDR2-666, SDIO/MMC card interface, Serial Flash memory interface (SMI), and Flexible static memory controller (FSMC) up to 16-bit data bus width. - What are the key connectivity features of the SPEAr320-2?
The key connectivity features include 2 x USB 2.0 Host ports, 1 x USB 2.0 Device port, 2 x Fast Ethernet ports, 2 x CAN 2.0 ports, and multiple UART, I2C, and synchronous serial ports. - Does the SPEAr320-2 support real-time and high-level operating systems?
Yes, it is hardware-compliant to support both real-time (RTOS) and high-level (HLOS) operating systems such as Linux and Windows Embedded Compact 7. - What are the power-saving features of the SPEAr320-2?
The SPEAr320-2 includes dynamic power-saving features and a system controller with power-saving system mode control. - What is the maximum operating temperature of the SPEAr320-2?
The maximum operating temperature is +85°C. - What types of peripherals are supported by the SPEAr320-2?
The SPEAr320-2 supports TFT/STN LCD controller, Touchscreen support, Integrated real-time clock, watchdog, and system controller, among others. - Does the SPEAr320-2 have security features?
Yes, it includes a cryptographic accelerator for enhanced security. - What is the packaging type of the SPEAr320-2?
The SPEAr320-2 is packaged in an LFBGA-289 (15x15 mm, pitch 0.8 mm) and comes in a tray packaging.
