TUSB2136

TUSB2136概述

具有通用 8052 MCU 的 USB 双端口集线器

The is an integrated universal serial bus USB hub with a general-purpose 8052 microcontroller that can be used for various USB controller applications. The TUSB2136 has 8K × 8 RAM space for application development. Using a 12-MHz crystal, the onboard oscillator generates the internal system clocks. No additional programming is required for any part of the hub functions. The device is programmed via an inter-IC I2C serial interface at power on from an EEPROM, or optionally, the application firmware can be downloaded from a host PC via USB. The 8052-based microprocessor allows several third-party standard tools to be used for application development. In addition, the application code available in the general market can also be used this may or may not require some code modification due to hardware variations.

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Multiproduct support with one code and one chip up to 16 products with one chip
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Fully compliant with the USB specification as a compound full-speed device: D #30270119
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Supports 1.5 and 12 Mbits/s USB data rates
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Supports USB suspend/resume and remote wake-up operation
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Integrated two-port hub with individual power management per port
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Integrated 8052 microcontroller with:
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256 × 8 RAM for internal data
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8K × 8 RAM code space available for downloadable firmware from host or I2C port.
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512 × 8 shared RAM used for data buffers and endpoint descriptor blocks EDB [1]
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Four 8052 GPIO ports port 0, 1, 2 and 3
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Master I2C controller for external slave device access
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Watchdog timer
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Operates from a 12-MHz crystal
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On-chip PLL generates 48 MHz
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Supports a total of three input and three output interrupt, bulk endpoints
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Power-down mode
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64-pin TQFP package

[1] This is the buffer space for USB packet transactions.

TUSB2136数据文档
型号 品牌 下载
TUSB2136

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