DS_FT311D Datasheet, PDF (7/40 Pages) Future Technology Devices International Ltd. – The FT311D is a Full Speed USB host specifically targeted at providing access to peripheral hardware from an Android platform with a USB device port.

DS_FT311D USB ANDROID HOST IC Datasheet
Version 1.0
Document No.: FT_000660 Clearance No.: FTDI# 305
Pin No.
Name
Type
Description
17
USBDP
INPUT/OUTPUT USB Data Signal Plus.
18
USBDM
INPUT/OUTPUT USB Data Signal Minus.
4
XTIN
INPUT
Input to 12MHz Oscillator Cell. Connect 12MHz
crystal across pins 4 and 5.
5
XTOUT
OUTPUT
Output from 12MHz Oscillator Cell. Connect 12MHz
crystal across pins 4 and 5.
8
TEST1
INPUT
For internal use. Pull to GND
9
TEST2
INPUT
For factory use. Pull to 3V3.
10
RESET#
INPUT
Reset input (active low).
20, 21
NC
-
No connect pins. Leave unterminated.
Active low signal that may be used to control a
11
TEST0
OUTPUT
switch for enabling power to the USB port pin 1
(VBUS).
Configuration pin 0 used to select between
GPIO,UART,PWM,I²C and SPI.
12
CNFG0
INPUT
Pull to Ground = Logic „0‟(No external resistor
needed)
Leave Open = Logic „1‟ (Internal Pull up is present)
Configuration pin 1 used to select between
GPIO,UART,PWM,I²C and SPI.
14
CNFG1
INPUT
Pull to Ground = Logic „0‟(No external resistor
needed)
Leave Open = Logic „1‟ (Internal Pull up is present)
Configuration pin 2 used to select between
GPIO,UART,PWM,I²C and SPI.
15
CNFG2
INPUT
Pull to Ground = Logic „0‟(No external resistor
needed)
Leave Open = Logic „1‟ (Internal Pull up is present)
32
USB_ERROR#
Table 3.2 Common Function pins
OUTPUT
Output signal to indicate a problem with the USB
connection
Pin
No.
Name
Type
Description
23
IOBUS0 INPUT/OUTPUT I/O signal. Function depends on CNFG pin setting. See table 3.4
24
IOBUS1 INPUT/OUTPUT I/O signal. Function depends on CNFG pin setting. See table 3.4
25
IOBUS2 INPUT/OUTPUT I/O signal. Function depends on CNFG pin setting. See table 3.4
26
IOBUS3 INPUT/OUTPUT I/O signal. Function depends on CNFG pin setting. See table 3.4
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