Микроконтроллеры

Насколько я понял, TUSB просто совсем новый и еще не попал в мейнстрим. Хотя он не хуже и дешевле в 2 раза. http://www.ti.com/sc04145
USB Features Fully compliant with USB 2.0 full speed Specifications Supports 12-Mbps USB data rate (full speed) Supports USB suspend, resume, and remote wakeup operations Supports two power source modes: Bus-powered mode Self-powered mode Can support a total of 3-input and 3-output (interrupt, bulk) endpoints General Features Integrated 8052 microcontroller with 256 × 8 RAM for internal data 10K × 8 ROM (with USB and I2C boot loader) 16K × 8 RAM for code space loadable from host or I2C port 2K × 8 Shared RAM used for data buffers and endpoint descriptor blocks (EDB) Four GPIO pins from 8052 port 3 Master I2C controller for EEPROM device access MCU operates at 24 MHz providing 2 MIPS operation 128-ms Watchdog Timer Built-in two-channel DMA controller for USB/UART bulk I/O Operates from a 12-MHz crystal Supports USB suspend and resume Supports remote wake-up Available in 32-pin LQFP 3.3-V operation with 1.8-V core operating voltage provided by on-chip 1.8-V voltage regulator Enhanced UART Features Software/hardware flow control: Programmable Xon/Xoff characters Programmable Auto-RTS\/DTR\ and Auto-CTS\/DSR\ Automatic RS485-bus transceiver control, with and without echo Selectable IrDA mode for up to 115.2 kbps transfer Software selectable baud rate from 50 to 921.6 k baud Programmable serial-interface characteristics 5-, 6-, 7-, or 8-Bit characters Even, odd, or no parity-bit generation and detection 1-, 1.5-, or 2-Stop bit generation Line break generation and detection Internal test and loop-back capabilities Modem-control functions (CTS\, RTS\, DSR\, DTR\, RI\, and DCD\) Internal diagnostics capability Loopback control for communications link-fault isolation Break, parity, overrun, framing-error simulation