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TUSB3210 Datasheet(PDF) 9 Page - Texas Instruments |
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TUSB3210 Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 50 page  TUSB3210 CLOCK 12 MHz R1 XI XO C1 C2 1M Y1 TUSB3210 www.ti.com SLLS466G – FEBRUARY 2001 – REVISED DECEMBER 2015 7.3 Feature Description 7.3.1 USB 2.0 Full-Speed Compliant The TUSB3210 device s fully compliant with USB 2.0 full-speed; it supports 12 Mbits/s of USB data rate (full speed) as well as supporting USB suspend, resume, and remote wake-up operation. 7.3.2 Code Space Available The TUSB3210 device has 8K × 8 RAM for firmware development. This firmware can be loaded though USB or using I2C serial interface from an EEPROM. The MCU executes a read from an external EEPROM and tests to determine if it contains the code (test for boot signature). If it contains the code, the MCU reads from EEPROM and writes to the 8K RAM in XDATA space. If not, the MCU proceeds to boot from the USB. 7.3.3 Clock Generation The TUSB3210 device accepts a 12-MHz crystal input to drive an internal oscillator of 48 MHz. If a clock is provided to X1 instead of a crystal, X2 is left open. Otherwise, if a crystal is used, the connection must follow the guidelines shown in Figure 1. Because X1 and X2 are coupled to other leads and supplies on the PCB, it is important to keep the leads as short as possible and away from any switching leads. TI also recommends minimizing the capacitance between X1 and X2, which can be accomplished by shielding C1 and C2 with the clean ground lines. Figure 1. Clock Generation Diagram 7.3.4 UART Interface The TUSB3210 device can use P3.0 and P3.1 as UART port; this UART is normally used for debug purposes. 7.4 Device Functional Modes 7.4.1 Interface Configuration The TUSB3210 device contains onboard ROM microcode, which enables the MCU to enumerate the device as a USB peripheral. The ROM microcode can also load application code into internal RAM from either external memory through the I2C bus or from the host through the USB. 7.4.2 GPIO Controller The TUSB3210 device is a USB-based controller targeted as a general-purpose MCU with GPIO. The TUSB3210 device has 8K × 8 RAM space for application development to control these GPIOs. Copyright © 2001–2015, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: TUSB3210 |
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Similar Description - TUSB3210_15 |
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