DS_FT312D Datasheet, PDF (5/25 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
3 Device Pin Out and Signal Description
3.1 Package Symbol
17
USBDP
18
USBDM
19
GND
20
NC
21
NC
22
VCCIO
23
TXD
24
RXD
FT312D
QFN 32
8
TEST1
7
VREGOUT
GND ⁶
5
XTOUT
4
XTIN
3
AVCC
2
VCC
GND ¹
Figure 3.1QFN Schematic Symbol
NOTE: The pinout is the same for the QFN and LQFP packages.
NOTE: Pin 33 on the symbol is the copper pad in the centre of the QFN package
3.1.1 Package PinOut Description
Note: # denotes an active low signal.
Pin No.
Name
Type
Description
2
VCC
POWER
Input
3V3 supply to IC internal 1V8 regulator
POWER
3
AVCC
1V8 supply to IC core
Input
13, 22, 28
VCCIO
POWER
Input
3V3 supply for the IO cells
7
VREGOUT
POWER
Output
1V8 output. May be used as input source for pin 3.
1,6,14,15,16,19,27
GND
Table 3.1 Power and Ground
POWER
Input
0V Ground input.
Copyright © 2013 Future Technology Devices International Limited
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