TUSB3410 datasheet(13/92 Pages) TI

13 / 92 page

2–1

2 Main Features

2.1

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

2.2

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

–

× 8 Shared RAM used for data buffers and endpoint descriptor blocks (EDB)

–

Four GPIO pins from 8052 port 3

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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

2.3

Enhanced UART Features

•

Software/hardware flow control:

–

Programmable Xon/Xoff characters

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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

TUSB3410 データシート(PDF) 13 Page - Texas Instruments

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