FT231XQ-T FTDI, FT231XQ-T Datasheet - Page 8

• Manufacturer Part Number: FT231XQ-T
• Description: USB Interface IC USB to Full Serial UART IC QFN-20
• Manufacturer: FTDI

Specifications of FT231XQ-T

• Rohs: yes
• Tradename: X-Chip

Table 3.2 Common Function pins
Table 3.3 UART Interface and CBUS Group (see note 1)
Notes:
Pin No.
17
19
18
15
14
16
Pin No.
1
6
4
5
2
7
1
11
9
8
When used in Input Mode, the input pins are pulled to VCCIO via internal 75kΩ
(approx) resistors. These pins can be programmed to gently pull low during USB
suspend (PWREN# = “1”) by setting an option in the MTP memory.
CBUS0
CBUS1
CBUS2
CBUS3
Name
DCD#
DTR#
DSR#
RTS#
CTS#
RXD
TXD
RI#
RESET#
USBDM
USBDP
Name
Copyright © 2013 Future Technology Devices International Limited
Output
Output
Output
Input
Input
Input
Input
Input
Type
I/O
I/O
I/O
I/O
INPUT
INPUT
INPUT
Type
Transmit Asynchronous Data Output.
Receiving Asynchronous Data Input.
Request to Send Control Output / Handshake Signal.
Clear To Send Control Input / Handshake Signal.
Data Terminal Ready Control Output / Handshake Signal.
Data Set Ready Control Input / Handshake Signal.
Data Carrier Detect Control Input.
Ring Indicator input for remote wake up.
Configurable CBUS I/O Pin. Function of this pin is configured in the
device MTP memory. The default configuration is TXDEN. See CBUS
Signal Options, Table 3.7.
Configurable CBUS I/O Pin. Function of this pin is configured in the
device MTP memory. The default configuration is RXLED#. See CBUS
Signal Options, Table 3.7.
Configurable CBUS I/O Pin. Function of this pin is configured in the
device MTP memory. The default configuration is TXLED#. See CBUS
Signal Options, Table 3.7.
Configurable CBUS I/O Pin. Function of this pin is configured in the
device MTP memory. The default configuration is SLEEP#. See CBUS
Signal Options, Table 3.7.
USB Data Signal Minus.
USB Data Signal Plus.
Reset input (active low).
FT231X USB TO FULL HANDSHAKE UART IC
Document No.: FT_000565 Clearance No.:
Description
Description
Datasheet
Version 1.2
FTDI# 261
8