Uart To Usb Debug Cable
To access the uart on the nexus 4 we built a simple cable back in february.
Uart to usb debug cable. All cables feature an ft234xd ic integrated within the cable usb type a connector which provide access to uart transmit tx receive rx rts cts vcc 5v and gnd connections. Usb ttl serial the. This item jbtek windows 8 supported debug cable for raspberry pi usb programming usb to ttl serial cable ftdi usb rs232 we 1800 bt cable usb to rs232 serial 1 8m wire end 5v adafruit ftdi serial ttl 232 usb cable ada70. The designers of the nexus 4 decided to take a different route.
Devmo pl2303ta usb to ttl rs232 com uart module serial cable debug console adapter compatible with arduino raspberry pi 9 99 9. Rpi usb ttl serial cable for debugging raspberry pi small board computers. Cp2102 usb to ttl uart 232 485 port mutual convert adapter usb serial port adapter 6 in one multi functional usb serial debug tool for windows wince linux mac 32 64 5 0 out of 5 stars 2 5 36 5. 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.
The usb ttl serial cables are a range of usb to serial converter cables which provide connectivity between usb and serial uart interfaces. Inside inside the usb housing side there is a usb uart ttl converter ending with four wire red power black ground white rx into usb port and green tx out of the usb port. Mediatek usb debug cable. Adafruit industries unique fun diy electronics and kits usb to ttl serial cable debug console cable for raspberry pi id.
All cables are fully rohs compliant and are fcc ce approved. Some devices use usb on the go with a special resistor value to activate the uart port. A range of cables are available offering connectivity at 5v 3 3v or user specified signal levels with various connector interfaces. In order to still support usb connections while debugging the nexus 4 uses the headphone jack.
Some mediatek devices expose an 3 3v uart interface at the usb port when a special mediatek debug cable is attached to the device while booting the schematic for this debug cable is the same as the nexus usb debug cable above except that the id pin shouldn t be connected.