Datasheet

Main Features

SLLS519H—January 2010 TUSB3410, TUSB3410I

2 Main Features

2.1 USB Features

• Fully compliant with USB 2.0 full speed specifications: TID #40340262

• 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 three input and three output (interrupt, bulk) endpoints

2.2 General Features

• Integrated 8052 microcontroller with

− 256 × 8 RAM for internal data

− 10K × 8 ROM (with USB and I

C boot loader)

− 16K × 8 RAM for code space loadable from host or I

C port

− 2K × 8 shared RAM used for data buffers and endpoint descriptor blocks (EDB)

− Four GPIO terminals from 8052 port 3

− Master I

C 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-terminal LQFP

• 3.3-V operation with 1.8-V core operating voltage provided by on-chip 1.8-V voltage regulator

2.3 Enhanced UART Features

• Software/hardware flow control:

− Programmable Xon/Xoff characters

− Programmable Auto-RTS

/DTR and Auto-CTS/DSR

• Automatic RS-485 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