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SPEAr1340：Dual-core Cortex A9 embedded MPU for multimedia

The SPEAr1340 device is a system-on-chip belonging to the SPEAr^®(Structured Processor Enhanced Architecture) family of embedded microprocessors. The product is suitable for consumer and professional applications where an advanced human machine interface (HMI) combined with high performance are required, such as low-cost tablets, thin clients, media phones and industrial/printer smart panels.

The device is hardware-compliant to the support of both real-time (RTOS) and high-level (HLOS) operating systems, such as Android, Linux and Windows Embedded Compact 7.

The architecture of SPEAr1340 is based on several internal components, communicating through a multilayer interconnection matrix (BUSMATRIX). This switching structure enables different data flows to be carried out concurrently, improving the overall platform efficiency.

In particular, high-performance master agents are directly interconnected with the DDR memory controller in order to reduce access latency. The overall memory bandwidth assigned to each master port can be programmed and optimized through an internal weighted round-robin (WRR) arbitration scheme.

Key Features

• CPU subsystem:
  • 2x ARM Cortex A9 cores, up to 600 MHz
  • 32+32 KB L1 caches per core, with parity check
  • Shared 512 KB L2 cache
  • Accelerator coherence port (ACP)
• Network-on-chip bus matrix, up to 166 MHz
• 32 KB Boot ROM, 32+4 KB Static RAMs
• Memory interfaces:
  • DDR controller (DDR3-1066, DDR2-1066 @533MHz), 16-/32-bit, up to 2 GB address space
  • Serial NOR Flash controller
  • Parallel NAND Flash/NOR Flash/SRAM controller
• Connectivity:
  • 2 x USB 2.0 Host ports (integrated PHY)
  • 1 x USB 2.0 OTG port (integrated PHY)
  • 1 x Giga/Fast Ethernet port (external GMII/RGMII/MII/RMII PHY)
  • 1 x PCIe 2.0 RC/EP port (integrated PHY)
  • 1 x 3Gb/s Serial ATA Host port (integrated PHY)
  • 1 x memory card interface: SD/SDIO/MMC, CF/CF+, xD
  • 2 x UART ports, with IrDA option
  • 2 x I2C bus controllers, master/slave
  • 1 x synchronous serial port, SPI/Microwire/TI protocols, master/slave
  • 2 x consumer electronic control (HDMI CEC) ports
  • 10-bit ADC: 8 ch. 1 Msps, with autoscan
  • Programmable bidirectional GPIO signals with interrupt capability
• HMI support:
  • LCD display controller, incl. support for Full HD , 1920 x 1200, 60 Hz, 24 bpp
  • High-perf. 2D/3D GPU, up to 1080p
  • Hardware video decoder: multistandard up to 1080p, JPEG
  • Hardware video encoder: H.264 up to 1080p, JPEG
  • Video input parallel port, with alternate configuration for 4 x camera interfaces
  • Digital audio ports: up to 7.1 multichannel surround, I2S (8 in, 8 out) and S/PDIF
  • 6 x 6 keyboard controller
  • Resistive touchscreen interface
• Security:
  • Cryptographic co-processor: DES, 3DES, AES, HMAC, PKA, RNG
  • Secure boot support
  • JTAG disable option
• Miscellaneous functions:
  • Energy saving: power islands, clock gating, dynamic frequency scaling
  • 2 x DMA controllers (total 16 channels)
  • 11 x general purpose timers, 2 x watchdogs, 1 x real-time clock
  • 4 x PWM generators
  • Embedded sensor for junction temperature monitoring
  • OTP (one-time programmable) bits
  • Debug and trace interfaces: JTAG/PTM

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