DS_FT312D Datasheet, PDF (6/25 Pages) List of Unclassifed Manufacturers – Future Technology Devices International Ltd.

DS_FT312D USB ANDROID HOST IC Datasheet
Version 1.0
Document No.: FT_000816 Clearance No.: FTDI# 331
Pin No.
Name
Type
Description
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).
11
TEST0
OUTPUT
Leave unterminated.
12
NC
-
No connect pins. Leave unterminated.
17
USBDP
INPUT/OUTPUT USB Data Signal Plus.
18
USBDM
INPUT/OUTPUT USB Data Signal Minus.
20
NC
-
No connect pins. Leave unterminated.
21
NC
-
No connect pins. Leave unterminated.
23
TXD
OUTPUT
Transmit asynchronous data output
24
RXD
INPUT
Receive asynchronous data input
25
RTS#
OUTPUT
Request to send control output
26
CTS#
INPUT
Clear to send control input
29
TX_ACTIVE
OUTPUT
UART active signal (typically used with RS485)
30
NC
-
No connect pins. Leave un-terminated
31
NC
-
No connect pins. Leave un-terminated
32
USB_ERROR#
Table 3.2 Function pins
OUTPUT
Output signal to indicate a problem with the USB
connection
Copyright © 2013 Future Technology Devices International Limited
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