1. Back to USB Devices All TUSB6252 Product Information is Preliminary and Subject to Change TUSB6252 Product Preview

2. Back to USB Devices All TUSB6252 Product Information is Preliminary and Subject to Change TUSB6252 USB High–Speed ATA Bridge w/ Local Bus Port Based on Proven TUSB6250 Device External Processor/Controller Interface Media Transfer Protocol (MTP Support for DRM in Windows Media Environment Certified compliance and inter– operability Allows for both high-speed storage bridging and high-speed DSP access from PC. Protect content providers from piracy HDD–based MP3 Players HDD–based Portable Video Players HDD–based Portable Jukebox More Information Development Schedule: TBD

3. Back to USB Devices All TUSB6252 Product Information is Preliminary and Subject to Change Disk Activity PC TUSB6250 HDD Audio DSP ATA Tri-state USB2.0 ATA EMIF Battery Management 5V D+/- USB cable present D-A; Amplifier Problem: No high-throughput path from PC to DSP via TUSB6250 Portable HDD–Based A/V Players with Current TUSB6250 Solution More Information

4. Back to USB Devices All TUSB6252 Product Information is Preliminary and Subject to Change Disk Activity PC TUSB6252 HDD Audio DSP ATA Tri-state USB2.0 ATA EMIF Battery Management 5V D+/- USB cable present D-A; Amplifier Solution: Add local bus interface to TUSB6250 to allow high-throughput data path from PC to DSP via TUSB6252 TUSB6252 Solution 16 Bit LBI More Information

5. Back to USB Devices All TUSB6252 Product Information is Preliminary and Subject to Change A/V Player Bridge Selection PC to DSP communication is enabled, this means: –Play lists can be synchronized –Data can be updated Time of day / date information, firmware updates, calendars, phone numbers, contact lists, appointments, to do lists, expense entries…the list is endless –You can add applications that rely on flexible communications between the PC and the DSP –The result: Your audio player is different than the next one on the store shelf. Intelligent battery management when connected to the USB cable –The USB cable can act as a battery charging unit –No wall adapter needed –When charging is occurring, the DSP should be powered off, saving current for battery recharge –An intelligent bridge can control the power states of the HDD (Active, idle, standby, sleep, off) –An intelligent bridge can write messages such as “Battery Charging” and “Battery Fully Charged” to the player’s LCD Why is it important to use a firmware based bridge solution for audio players? An intelligent bridge enables product differentiation