Usb To Serial Cable Pinout

Usb 2 0 uses two wires for power v bus and gnd and two for differential serial data signals mini and micro connectors have their gnd connections moved from pin 4 to pin 5 while their pin 4 serves as an id pin for the on the go host client identification.

Usb to serial cable pinout.

Inside the big usb plug is a usb serial conversion chip and at the end of the 36 cable are four wire red power black ground white rx into usb port and green tx out of the usb port. The basic usb pinouts for the connectors are given in the table below. Interface converter cable for interconnection of usb and rs232 serial interfaces. Ftdi cable usb to rs232 converter pinout click the image to enlarge it ftdi cables are the family of usb to ttl serial uart converter cables and they are incorporated with ft232r ic.

Usb type a b pinouts connections. Each cable is 1 8m long and supports a data transfer rate up to 3 mbaud. Letotech cross wired usb serial cable ftdi ft232r usb rs232 to db9 female adapter null modem cable pc control tv cable null modem pinout 4 2 out of 5 stars 6 13 90 13. The chip handles all the protocol of converting usb data to uart serial data.

Pinout of usb cable schematic and layout of 4 pin usb a usb b mini usb jack connector and 4 pin usb a or usb b plug connectorvery simple. A computer s serial com port dte is usually a male port as shown below and any peripheral devices you connect to this port usually has a female connector dce. 9 pin d sub female connector at the computer s serial cable. The usb side of the cable is usb powered and usb 2 0 full speed compatible.

Since the introduction of the smaller serial port on the ibm at 9 pins rs232 connectors are commonly used. Apart from the usb connector pinouts the table also gives the wire colours used within the cables. The power pin provides the 5v 500ma direct from the usb port and the rx tx pins are 3 3v level for interfacing with the most common 3 3v logic level chipsets. Each cable supports the ftdichip id with a unique usb serial number programmed into the ft232r.

Rs232 db25 to db9 converter. Because of this the majority of usb applications require an a to b cable. 4 pin usb a usb b mini usb jack connector at the computer s usb cable. Maximum length of cable is about 5 m for awg20 and 0 8 m for awg28 cable.

This feature can be used to create a security or.