FTDI sio

FTDI chips

FTDI produce a range of serial devices which utilise the FTDI sio driver in Linux with various capabilities.

ECS i-Buddie USB dock

This uses an FT8U100AX USB bridge as seen in the foreground of the picture. This chip combines multiple functions which include serial I/O.

This device fails to operates on correctly on a USB 2.0 port and a connection to a USB 1.1 port or hub is essential.

Identity
Bus 001 Device 016: ID 0403:8372 Future Technology Devices International, Ltd FT8U100AX Serial Port

FTDI UM232R

FTDI UM232R

dsPIC33EV

This board is manufactured by FTDI as an FT232-RL evaluation kit which has an almost full break-out of the chip pins. The jumpers either select bus power or isolate the device and also allow to selection of either 3V3 or 5V I/O.

Identity
Bus 006 Device 002: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC
Pinout
            UM232R
DB0 TXD  1  J1-123  24 GND 
DB4 DTR#               CB0
DB2 RTS#               CB1
VIO                    VCC
DB1 RXD                RST
DB7 RI#                3V3
GND                    CB3
DB5 DSR#               PU1
DB6 DCD#               PU2
DB3 CTS#               VCC
CB4          J2-21     USB
CB2      12         13 SLD
           USB SOCKET
         
J1
 1-2  VIO = 3V3
 2-3  VIO = VCC (DEFAULT)

J2
 ON   VCC = USB (DEFAULT)
 OFF  VCC = SELF
EEPROM
       eeprom_size = 128
         vendor_id = 0x0403
        product_id = 0x6001
      self_powered = 0
     remote_wakeup = 1
suspend_pull_downs = 0
     max_bus_power = 100 mA
      manufacturer = FTDI
           product = UM232R USB <-> Serial
         serialnum = FT90IYOQ
   high_current_io = 0
  load_d2xx_driver = 0
      txd_inverted = 0
      rxd_inverted = 0
      rts_inverted = 0
      cts_inverted = 0
      dtr_inverted = 0
      dsr_inverted = 0
      dcd_inverted = 0
       ri_inverted = 0
           cbus[0] = RxLED
           cbus[1] = TxLED
           cbus[2] = PwrEn
           cbus[3] = PwrEn
           cbus[4] = Sleep

FT232-RL clone

Devices as the one in the background of the top picture are generally FT232-RL clones yet they can easily achieve 1 megabaud. 2 megabaud has also been tested but not extensively. They also support the libftdi API in Linux.

Identity
Bus 001 Device 019: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC
Pinout
         USB SOCKET
PWREN                     DCD
TXDEN                     DSR
SLEEP                     GND
CTS                       RI
3.3V                      RXD
5V                        VIO
RXLED      JUMPER         RTS
TXLED      5V-3.3V        DTR
GND                       TXD
    DTR RX TX VCC CTS GND
    
JUMPER SELECTS VIO
EEPROM
       eeprom_size = 128
         vendor_id = 0x0403
        product_id = 0x6001
      self_powered = 0
     remote_wakeup = 1
suspend_pull_downs = 0
     max_bus_power = 90 mA
      manufacturer = FTDI
           product = FT232R USB UART
         serialnum = A50285BI
   high_current_io = 0
  load_d2xx_driver = 0
      txd_inverted = 0
      rxd_inverted = 0
      rts_inverted = 0
      cts_inverted = 0
      dtr_inverted = 0
      dsr_inverted = 0
      dcd_inverted = 0
       ri_inverted = 0
           cbus[0] = TxLED
           cbus[1] = RxLED
           cbus[2] = TxDEN
           cbus[3] = PwrEn
           cbus[4] = Sleep

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