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FT311D-32L1C-x 参数 Datasheet PDF下载

FT311D-32L1C-x图片预览
型号: FT311D-32L1C-x
PDF下载: 下载PDF文件 查看货源
内容描述: [USB Android Host IC]
分类和应用:
文件页数/大小: 40 页 / 1073 K
品牌: FTDI [ FUTURE TECHNOLOGY DEVICES INTERNATIONAL LTD. ]
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DS_FT311D USB ANDROID HOST IC Datasheet  
Version 1.2  
Document No.: FT_000660 Clearance No.: FTDI# 305  
8.3 USB to PWM Converter  
5V  
3V3  
3V3  
REGULATOR  
VCC  
Ferrite  
Bead  
VCCIO  
1
MOTOR  
CONTROLLER  
PWM_0  
PWM_1  
RESET#  
USBDM  
IOBUS0  
IOBUS1  
IOBUS2  
IOBUS3  
IOBUS4  
IOBUS5  
IOBUS6  
IOBUS7  
27R  
27R  
2
3
3V3  
USBDP  
4
470R  
PWM_2  
PWM_3  
5
47pF  
47pF  
SHIELD  
FT311D  
100nF  
CNFG2  
CNFG1  
CNFG0  
GND  
GND  
1V8 PLL VCC IN  
GND  
10k  
3V3  
VREGOUT  
D
N
D
N
G
A
3V3  
G
100nF  
+
4.7uF  
100nF  
GND  
GND  
Figure 8.3 Application Example showing USB to PWM Converter  
This example shows the CNFGx pins set for mode 010 Pulse Width Modulation (PWM).  
PWM channel 0 has been wired to a motor controller. This is typical of applications with robotic arms or  
moving machinery.  
PWM channel 3 has been connected to an LED. This allows the LED to either flash or by altering the PWM  
switching frequency the controller can act as a “dimmer switch” to the LED.  
The unused channels may be left unterminated.  
Copyright © 2013 Future Technology Devices International Limited  
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