SPEAR320-2 datasheet(33/73 Pages) STMICROELECTRONICS

33 / 73 page

SPEAr320

Pin description

Doc ID 16755 Rev 5

33/73

SMII automation networking mode

The “SMII Automation networking” operating mode mainly provides:

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NAND Flash interface (8 bits, 4 chip selects)

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2 CAN2.0 interfaces

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2 SMII interfaces

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3 UARTs

–

1 with hardware flow control (up to 3 Mbps)

–

2 with software flow control (baud rate up to 7 Mbps)

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LCD interface (up to 1024x768, 24-bits LCD controller, TFT and STN panels)

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Touchscreen facilities

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3 independent SSP Synchronous Serial Port (SPI, Microwire or TI protocol) ports

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GPIOs with interrupt capability

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SDIO interface supporting SPI, SD1, SD4 and SD8 mode

MII automation networking mode

The “MII Automation networking” operating mode mainly provides:

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NAND Flash interface (8 bits, 4 chip selects)

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2 CAN2.0 interfaces

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2 MII interfaces

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3 UARTs

–

1 with hardware flow control (up to 3 Mbps)

–

2 with software flow control (baud rate up to 7 Mbps)

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3 independent SSP Synchronous Serial Port (SPI, Microwire or TI protocol) ports

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GPIOs with interrupt capability

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SDIO interface supporting SPI, SD1, SD4 and SD8 mode

Expanded automation mode

The “Expanded automation” operating mode mainly provides:

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External Memory Interface (16 data bits, 24 address bits and 4 chip selects)

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NAND Flash interface (8-16 bits and 4 chip selects shared with EMI)

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2 CAN2.0 interfaces

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SMII or MII interface

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3 UARTs

–

1 with hardware flow control (up to 3 Mbps)

–

1 with hardware flow control (baud rate up to 7 Mbps)

–

1 with software flow control (baud rate up to 7 Mbps)

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SSP port

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2 independent I2C interfaces

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Up to 4 PWM outputs

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GPIOs with interrupt capabilities

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