FT231XQ-T FTDI, FT231XQ-T Datasheet - Page 7
![no-image](/images/no-image-200.jpg)
FT231XQ-T
Manufacturer Part Number
FT231XQ-T
Description
USB Interface IC USB to Full Serial UART IC QFN-20
Manufacturer
FTDI
Datasheet
1.FT231XS-R.pdf
(44 pages)
Specifications of FT231XQ-T
Rohs
yes
Tradename
X-Chip
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3
3.1 20-LD QFN Package
Figure 3.1 QFN Schematic Symbol
3.1.1 QFN Package PinOut Description
Note: # denotes an active low signal.
Table 3.1 Power and Ground
*Pin 21 on the symbol is the pad under the centre of the chip package and should be connected to GND
** If VCC is 3V3 then 3V3OUT must also be driven with 3V3 input
Device Pin Out and Signal Description
10
11
9
8
Pin No.
3, 13
12
20
10
3V3OUT
USBDM
USBDP
RESET#
Copyright © 2013 Future Technology Devices International Limited
3V3OUT
Name
VCCIO
GND
VCC
**
**
CBUS0
CBUS1
CBUS2
CBUS3
DCD#
DTR#
DSR#
RTS#
CTS#
RXD
TXD
RI#
POWER
POWER
POWER
POWER
Output
Type
Input
Input
Input
FT231X USB TO FULL HANDSHAKE UART IC
17
1
19
6
18
4
5
2
15
14
7
16
5 V or 3V3 supply to IC
1V8 – 3V3 supply for the IO cells
3V3 output at 50mA. May be used to power VCCIO.
When VCC is 3V3; pin 10 is an input pin and should be
connected to pin 12.
0V Ground input.
Document No.: FT_000565 Clearance No.:
Description
Datasheet
Version 1.2
FTDI# 261
7
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