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Description

The SPEAr300 is a member of the SPEAr family of embedded MPUs for networked devices. It is based on the powerful ARM926EJ-S processor (up to 333 MHz), widely used in applications where high computation performance is required.

Features

■ ARM926EJ-S core up to 333 MHz

■ High-performance 8-channel DMA

■ Dynamic power-saving features

■ Configurable peripheral functions on 102 shared I/Os (please refer to Table 11: PL_GPIO multiplexing scheme)

■ Memory – 32 KB ROM and 56 KB internal SRAM

– LPDDR-333/DDR2-666 external memory interface (up to 1 GB addressable memory)

– SDIO/MMC card interface

– Serial Flash memory interface (SMI)

– Flexible static memory controller (FSMC) up to 16-bit data bus width, supporting external SRAM, NAND/NOR Flash and FPGAs

– Serial SPI Flash interface

■ Connectivity

– 2 x USB 2.0 Host

– USB 2.0 Device

– Fast Ethernet (MII port)

– 1x SSP Synchronous serial peripheral (SPI, Microwire or TI protocol)

– 1x I2C– 1x I2S,

– 1x fast rDA interface

– 1x UART interface

– TDM bus 512 timeslots)

– Up to 8 additional I2C/SPI chip selects

■ Security– C3 cryptographic accelerator

■ Peripherals supported– Camera interface (ITU-601/656 and CSI2 support)

– TFT/STN LCD controller (rsolution up to 1024 x 768 and up to 24 bpp)

– Touchscreen support (using the ADC)

– 9 x 9 keyboard controller– Glueless management of up to 8 SLICs/CODECs

■ Miscellaneous functions

– Integrated real time clock, watchdog, and system controller

– 8-channel 10-bit ADC, 1 Msps

– 1-bit DAC

– JPEG codec accelerator

– Six 16-bit general purpose timers with capture mode and programmable prescaler

– Up to 62 GPIOs

Applications

■ SPEAr300 embedded MPU is configurable in 13 sets of peripheral functions targeting a range of applications:

– General purpose NAND Flash or NOR Flash based devices

– Digital photo frames

– WiFi or IP phones (low end or high end)

– ATA PABX systems (with or without I2S)

– 8-bit or 14-bit camera (with or without LCD)