2004 - 2016 Microchip Technology Inc. DS00002119A-page 1
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 Smart-
Media
TM
(SM) or xD Picture Card
TM
(xD)
1
, Mem-
ory Stick
TM
(MS), High Speed Memory Stick
(HSMS), Memory Stick PRO (MSPRO), MS
Duo
TM
, Secure Digital (SD), Mini-Secure Digital
(Mini-SD), TransFlash (SD), MultiMediaCard
TM
(MMC), Reduced Size MultiMediaCard (RS-
MMC), NAND Flash, Compact Flash
TM
(CF) and
CF Ultra
TM
I & II, and CF form-factor ATA hard
drives to USB 2.0 bus
- Supports USB Bulk Only Mass Storage Com-
pliant Bootable BIOS
• Support for simultaneous operation of all above
devices. (only one at a time of each of the follow-
ing 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 pur-
pose scratchpad
- 768 Bytes of internal SRAM for general pur-
pose scratchpad or program execution while
re-flashing external ROM
- Double Buffered Bulk Endpoint
- Bi-directional 512 Byte Buffer for Bulk End-
point
- 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, Con-
figurable 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:
- 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 avail-
able from Microchip
• 128-Pin TQFP Package (1.0mm height, 14mm
x14mm footprint); RoHS compliant package also
available
1.xD Picture Card not applicable to USB2601
USB2601/USB2602
4th Generation USB 2.0 Flash Media Controller with
Integrated Card Power FETs & HS Hub
