USB2601/USB2602
4th Generation USB 2.0 Flash
Media Controller with
Integrated Card Power FETs &
HS Hub
PRODUCT FEATURES
Datasheet
Hub Controller
Provides Three USB 2.0 Downstream Ports via
internal USB 2.0 Hub
— Multi Transaction Translator for FS/LS devices attached
Flash Media Controller
Complete System Solution for interfacing
SmartMediaTM (SM) or xD Picture CardTM (xD)1,
Memory StickTM (MS), High Speed Memory Stick
(HSMS), Memory Stick PRO (MSPRO), MS DuoTM,
Secure Digital (SD), Mini-Secure Digital (Mini-SD),
TransFlash (SD), MultiMediaCardTM (MMC),
Reduced Size MultiMediaCard (RS-MMC), NAND
Flash, Compact FlashTM (CF) and CF UltraTM I & II,
and CF form-factor ATA hard drives to USB 2.0 bus
— Supports USB Bulk Only Mass Storage Compliant
Bootable BIOS
Support for simultaneous operation of all above
devices. (only one at a time of each of the following
groups supported: CF or ATA drive, SM or XD or
NAND, SD or MMC)
On-Chip 4-Bit High Speed Memory Stick and MS
PRO Hardware Circuitry
On-Chip firmware reads and writes High Speed
Memory Stick and MS PRO
1-bit ECC correction performed in hardware for
maximum efficiency
Hardware support for SD Security Command
Extensions
3.3 Volt I/O with 5V input tolerance on VBUS, Port
Power and Over-Current Sense pins
On-chip power FETs for supplying flash media card
power with minimum board components
8051 8 bit microprocessor
— Provides low speed control functions
— 30 MHz execution speed at 4 cycles per instruction
average
— 12K Bytes of internal SRAM for general purpose
scratchpad
— 768 Bytes of internal SRAM for general purpose
scratchpad or program execution while re-flashing
external ROM
— Double Buffered Bulk Endpoint
— Bi-directional 512 Byte Buffer for Bulk Endpoint
— 64 Byte RX Control Endpoint Buffer
— 64 Byte TX Control Endpoint Buffer
Internal Program Memory Interface
— 64K Byte Internal Code Space
On Board 24MHz Crystal Driver Circuit
Can be clocked by an external 24MHz source
On-Chip 1.8V Regulator for Low Power Core
Operation
Internal PLL for 480MHz USB 2.0 Sampling,
Configurable MCU clock
11 GPIOs for special function use: LED indicators,
button inputs, power control to memory devices, etc.
— Inputs capable of generating interrupts with either edge
sensitivity
Configuration of Hub and Flash Media features
controlled either by internal defaults or via single
external EEPROM. User configurable features:
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Full or Partial Card compliance checking
LUN configuration and assignment
Write Protect Polarity
Cover Switch operation for xD compliance
Inquiry Command operation
SD Write Protect operation
Older CF card support
Force USB 1.1 reporting
Internal or External Power FET operation
Compatible with Microsoft WinXP, WinME, Win2K
SP3&4, Apple OS10 and Linux Multi-LUN Mass
Storage Class Drivers
Win2K, Win98/98SE and Apple OS8.6 and OS9
Multi-LUN Mass Storage Class Drivers are available
from SMSC
128 Pin TQFP Package (1.0mm height, 14mm
x14mm footprint); lead-free RoHS compliant package
also available
1.xD Picture Card not applicable to USB2601
SMSC USB2601/USB2602
DATASHEET
Revision 1.6 (06-20-08)
