FT311D-32L1C-T FTDI, FT311D-32L1C-T Datasheet - Page 23

• Manufacturer Part Number: FT311D-32L1C-T
• Description: USB Interface IC USB Android Host Controller IC LQFP32
• Manufacturer: FTDI

Specifications of FT311D-32L1C-T

• Rohs: yes
• Product: USB 2.0
• Interface Type: I2C, UART, USB
• Operating Supply Voltage: 0 V to 3.63 V
• Operating Supply Current: 25 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP-32

8
The following sections illustrate possible applications of the FT311D.
8.1 USB to GPIO Converter
Figure 8.1 Application Example showing USB to GPIO Converter
This example shows the CNFGx pins set for mode 000 – GPIO.
IOBUS0-3 are configured as outputs by the Android application to control the LEDs.
IOBUS4-6 pins are configured as inputs to allow the buttons to control actions in the Android application.
Power to the USB port is enabled by the VBUSCTRL# signal
Application Examples
5V
SHIELD
5
100nF
1
2
3
4
3V3
REGULATOR
Copyright © 2012 Future Technology Devices International Limited
3V3
+
GND
100nF
GND
4.7uF
Ferrite
3V3
Bead
47pF
5V_SW
GND
47pF
27R
27R
GND
GND
DS
_FT311D
100nF
RESET#
USBDM
CNFG2
CNFG1
CNFG0
VREGOUT
VCCIO
USBDP
1V8 PLL VCC IN
VCC
FT311D
USB ANDROID HOST IC Datasheet
VBUSCTRL#
Document No.: FT_000660 Clearance No.: FTDI# 305
IOBUS7
IOBUS0
IOBUS1
IOBUS2
IOBUS3
IOBUS4
IOBUS5
IOBUS6
P Channel Power
MOSFET
3V3
470R
0.1uF
GND
470R
470R
Version 1.0
0.1uF
5V_SW
Switched 5V Power to
470R
USB
23