USB2640I Standard Microsystems Corp., USB2640I Datasheet - Page 8

• Manufacturer Part Number: USB2640I
• Description: Industrial Temperature Usb 2.0 Flash Media Controller And Usb Hub Combo
• Manufacturer: Standard Microsystems Corp.

Revision 2.0 (10-03-08)
1.1
Hardware Features
Software Features
Device Features
Single chip flash media controller
The SMSC USB2640i/USB2641i 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
- 30 MHz or 60 MHz operation support
- Single bit or dual bit mode support
- Mode 0 or mode 3 SPI support
Memory Stick Specification 1.43
Memory Stick Pro Format Specification 1.02
Memory Stick Pro-HG Duo Format Specification 1.01 compliant
- Memory Stick, MS Duo, HS-MS, MS Pro-HG, MS Pro
xD-Picture Card 1.2 compliant
Secure Digital 2.0 / MultiMediaCard Specification 4.3 compliant
- SD 2.0, HS-SD, HC-SD
- TransFlash™ and reduced form factor media
- 1/4/8 bit MMC 4.2
SDIO and MMC streaming mode support
On board 24 MHz crystal driver circuit
Optional external 24 MHz clock input. Must be used with an external resistor divider to provide a
1.8V signal.
GPIO configuration and polarity
- Up to 8 GPIOs for special function use: LED indicators, button inputs, power control to memory
devices, etc. The number of actual GPIO’s depends on the implementation configuration used.
- One GPIO with up to 200 mA drive.
Internal card power FET
-Up to 200 mA operation available
-"Fold-back" short circuit current protected
8051 8-bit microprocessor
- 60 MHz - single cycle execution
- 64 KB ROM; 9 KB RAM
Internal Regulator for 1.8V core operation
Optimized pinout improves signal flow, easing implementation and allowing for improved signal
integrity treatment
Optimized for low latency interrupt handling
Hub and flash media reader/writer configuration from a single source: External I
SPI ROM
EEPROM update via USB
Please see the USB2640i/USB2641i Software Release Notes for additional software features
Industrial Temperature USB 2.0 Flash Media Controller and USB Hub Combo
DATASHEET
8
SMSC USB2640i/USB2641i
2
C ROM or external