USB4640 datasheet(8/64 Pages) SMSC

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High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller

Datasheet

Revision 1.0 (06-09-09)

SMSC USB4640/USB4640i

DATASHEET

Hardware Features

Single chip HSIC hub and flash media controller combo

USB4640 supports the commercial temperature range of 0°C to +70°C

USB4640i supports the industrial temperature range of -40°C to +85°C

Transaction translator (TT) in the hub supports operation of FS and LS peripherals

Full power management with individual or ganged power control of each downstream port

Optional support for external firmware access via SPI interface

Onboard 24 MHz crystal driver circuit

Optional external 24 MHz clock input which must be a 1.8 V signal

Code execution via SPI ROM which must meet

- 30 MHz or 60 MHz operation support

- Single bit or dual bit mode support

- Mode 0 or mode 3 SPI support

Compliance with the following flash media card specifications:

Secure Digital 2.0 / MultiMediaCard 4.2

- SD 2.0, SD-HS, SD-HC

- TransFlash™ and reduced form factor media

- 1/4/8 bit MMC 4.2

Memory Stick 1.43

Memory Stick Pro Format 1.02

Memory Stick Pro-HG Duo Format 1.01

- Memory Stick, MS Duo, MS-HS, MS Pro-HG, MS Pro

Memory Stick Duo 1.10

xD-Picture Card 1.2

Up to 9 GPIOs: Configuration and polarity for special function use

- The number of actual GPIOs depends on the implementation configuration used

- One GPIO available with up to 200 mA drive and protected “fold-back” short circuit current

8051 8-bit microprocessor

- 60 MHz - single cycle execution

- 64 KB ROM | 9 KB RAM

Integrated regulator for 1.8 V core operation

Software Features

Hub and flash media reader/writer configuration from a single source:

External I2C ROM or external SPI ROM

If the OEM is using an external EEPROM or an external SPI ROM, the following features are

available:

- Customizable vendor ID, product ID, and device ID

- 12-hex digits maximum for the serial number string

- 28-character manufacturer ID and product strings for the flash media reader/writer

USB4640 Datasheet(PDF) 8 Page - SMSC Corporation

USB4640 Datasheet(HTML) 8 Page - SMSC Corporation

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