FT231XQ-T FTDI, FT231XQ-T Datasheet - Page 33

• 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 8.1 Default Internal MTP Memory Configuration
**VCP disabled in Rev B silicon in error.
CBUS Schmitt Trigger
CBUS Drive Current
Load VCP Driver
CBUS slew rate
Invert DCD#
Invert DSR#
Invert RTS#
Invert CTS#
Invert DTR#
Invert RXD
Invert TXD
Invert RI#
Parameter
Strength
CBUS0
CBUS1
CBUS2
CBUS3
Enable
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Enabled**
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
RXLED#
TXLED#
SLEEP#
Normal
TXDEN
Value
Slow
4mA
FT231X USB TO FULL HANDSHAKE UART IC
Makes the device load the VCP driver interface for
the device.
Default configuration of CBUS1 – Receive LED drive.
Default configuration of CBUS2 – Transmit LED
drive.
Default configuration of CBUS3 – SLEEP#. Logic 0
when the device is in suspend.
Signal on this pin becomes TXD# if enable.
Signal on this pin becomes RXD# if enable.
Signal on this pin becomes RTS if enable.
Signal on this pin becomes CTS if enable.
Signal on this pin becomes DTR if enable.
Signal on this pin becomes DSR if enable.
Signal on this pin becomes DCD if enable.
Signal on this pin becomes RI if enable.
Default configuration of CBUS0 – Transmit data
Document No.: FT_000565 Clearance No.:
Options are 4mA, 8mA, 12mA, 16mA
Options are normal or Schmitt
Options are slow or fast
enable for RS485
Notes
Datasheet
Version 1.2
FTDI# 261
33