FT260Q-R datasheet(37/61 Pages) FTDI

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FT260Q-R 数据表(PDF) 37 Page - Future Technology Devices International Ltd.

部件名	FT260Q-R

功能描述	HID-class USB to UART/I2C Bridge IC

PDF	61 Pages

Scroll/Zoom	100%

制造商	FTDI [Future Technology Devices International Ltd.]

网页	http://www.ftdichip.com

标志

37 / 61 page

FT260 HID-CLASS USB TO UART/I2C BRIDGE IC

Version 1.1

Document No.: FT_001272 Clearance No.: FTDI#484

7.4

Bus Powered Configuration with +1.8V/+2.5V I/O Voltage

Figure 7.4 Bus Powered Configuration with +1.8V/+2.5V I/O voltage Level

Figure 7.4 illustrates the FT260 in a typical USB bus-powered configuration similar to Figure 7.1. The

difference here is that the I/O pin voltage source is 2.5V or 1.8V, not 3.3V. An external regulator can

source the power from VBUS and regulate out the required I/O voltage level. Then, VCCIO can connect to

the output of the regulator to achieve I/O voltage level operating at +1.8V or +2.5V. VCCIN should be

connected to VBUS to supply the power source for FT260 operation.

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