FT231XQ-T FTDI, FT231XQ-T Datasheet - Page 31
![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
- Current page: 31 of 44
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Figure 7.7 Dual LED Configuration
An example of using the FT231X to drive LEDs is shown in Figure 7.7. In this application one of the CBUS
pins is used to indicate transmission of data (TXLED#) and another is used to indicate receiving data
(RXLED#). When data is being transmitted or received the respective pins will drive from tri-state to low
in order to provide indication on the LEDs of data transfer. A digital one-shot is used so that even a small
percentage of data transfer is visible to the end user.
Figure 7.8 Single LED Configuration
Another example of using the FT231X to drive LEDs is shown in Figure 7.8. In this example one of the
CBUS pins is used to indicate when data is being transmitted or received by the device (TX&RXLED). In
this configuration the FT231X will drive only a single LED.
Copyright © 2013 Future Technology Devices International Limited
FT231X
FT231X
CBUS [0...3]
CBUS[0...3]
CBUS [0...3]
FT231X USB TO FULL HANDSHAKE UART IC
TXLED#
RXLED #
TX
TX& RXLED #
Document No.: FT_000565 Clearance No.:
270R
LED
VCCIO
VCCIO
270R
270R
RX
Datasheet
Version 1.2
FTDI# 261
31
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