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

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

„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

Revision 1.0 (06-01-09)

8

SMSC USB4640/USB4640i

DATASHEET