SPEAR300

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)