Difference between revisions of "FTDI-49MM"

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* FTDI compatible pinout
 
* FTDI compatible pinout
 
* 3.3V or 5V selection jumper
 
* 3.3V or 5V selection jumper
* Header for 5V power distribution
+
* Inputs are 5V tolerant (when set to 3.3V levels)
 +
* 2x6 Header for 5V power distribution
 
* Rx and Tx LEDs
 
* Rx and Tx LEDs
 
* (4) 4-40 mounting holes
 
* (4) 4-40 mounting holes
** Mounts to 95mm to 45mm adapter
+
** Mounts to [[CARRIER95TO49MM|optional 95mm to 45mm adapter]]
 
** Stacks up with standoffs for use with other 95mm cards
 
** Stacks up with standoffs for use with other 95mm cards
 +
* Can be direct wired to [[DTE]] or [[DCE]] TTL-to-RS-232 converters
  
== Headers/Jumpers ==
+
== Headers/Jumpers/Connectors ==
  
 
=== 5V/3.3V Jumper ===
 
=== 5V/3.3V Jumper ===
  
 
* Select 5V or 3.3V signal levels on FTDI connector
 
* Select 5V or 3.3V signal levels on FTDI connector
* 5V out on FTDI connector VCC pin
+
* On FTDI connector VCC pin pin 3
 +
(Inputs are 5V tolerant (when set to 3.3V levels)
  
=== FDTI Connector ===
+
=== FTDI Connector ===
 +
 
 +
* Right angle 1x6 pins
  
 
# GND
 
# GND
# CTSn
+
# CTSn (IN)
 
# VCC
 
# VCC
# TX
+
# TX (OUT)
# RX
+
# RX (IN)
# RTSn
+
# RTSn (OUT)
  
 
=== USB Connector ===
 
=== USB Connector ===
Line 45: Line 50:
 
[[File:P1752-CROPPED-720PX.jpg]]
 
[[File:P1752-CROPPED-720PX.jpg]]
  
== Pinout ==
+
== Card Test ==
 +
 
 +
[[File:OPTOUSB_Tester_Card-Annotated-720pxV.jpg]]
  
# GND
+
* UUT card
# CTS* (in)
+
* Connect [[OPTOUSB#Card_Test|OPTOUSB tester card]] to UUT
# VCC
+
** Connect FTDI - black = ground
# TX (out)
+
** Does not require LEDs connections
# RX (in)
+
** Does not require 5V  Power Supply (used for [[OPTOUSB]] card)
# RTS* (out)
+
* Plug in USB to computer
 +
** Should hear Windoze detect sound
 +
** Use Device Manager to determine which COM port is used
 +
* Run puTTY
 +
** Baud rate = 115,200 baud
 +
** Hardware handshake RTS/CTS
 +
** COM port from Device Manager
 +
* Jumper Settings - Normal operation
 +
** Left jumper in right position (loopback data)
 +
** Middle jumper in left position (handshake = active/ground)
 +
** Right jumper in right position (loopback handshake)
 +
** Type on keyboard and verify it returns data
 +
** Verify both LEDs on the UUT light
 +
* Jumper settings - Test Tx/Rx isolation
 +
** Move left jumper to left position
 +
** Type data nothing should come back
 +
** Verify RX LED on the UUT only lights
 +
** Move left jumper to right position
 +
* Jumper settings - Test RTS/CTS
 +
** Move right jumper to left position (handshake controlled by middle jumper)
 +
** Type and characters should return
 +
** Move middle jumper to to right position (hardware handshake off)
 +
** Type and nothing should go through
 +
** Move middle jumper to to left position (hardware handshake on)
 +
** Characters that were buffered should come in at once
 +
* Mark test coupon on rear of card
  
 
== Assembly Sheet ==
 
== Assembly Sheet ==
  
 
[[FTDI-49MM Assembly Sheet]]
 
[[FTDI-49MM Assembly Sheet]]

Latest revision as of 19:58, 16 October 2021

Tindie-mediums.png

FTDI-P1746-CROPPED-720PX.jpg

Features

  • FT230X USB-to-FTDI Serial IC
  • USB B connector (not micro or mini, but the beefy USB B connector)
  • FTDI compatible pinout
  • 3.3V or 5V selection jumper
  • Inputs are 5V tolerant (when set to 3.3V levels)
  • 2x6 Header for 5V power distribution
  • Rx and Tx LEDs
  • (4) 4-40 mounting holes
  • Can be direct wired to DTE or DCE TTL-to-RS-232 converters

Headers/Jumpers/Connectors

5V/3.3V Jumper

  • Select 5V or 3.3V signal levels on FTDI connector
  • On FTDI connector VCC pin pin 3

(Inputs are 5V tolerant (when set to 3.3V levels)

FTDI Connector

  • Right angle 1x6 pins
  1. GND
  2. CTSn (IN)
  3. VCC
  4. TX (OUT)
  5. RX (IN)
  6. RTSn (OUT)

USB Connector

  • USB B Connector

Stackup with EP2 FPGA card

  • Top to bottom of stackup
  1. EP2C5-DB
  2. Cyclone_II_EP2C5_Mini_Dev_Board Card
  3. FTDI-49MM - (this card)
  4. CARRIER95TO49MM

P1752-CROPPED-720PX.jpg

Card Test

OPTOUSB Tester Card-Annotated-720pxV.jpg

  • UUT card
  • Connect OPTOUSB tester card to UUT
    • Connect FTDI - black = ground
    • Does not require LEDs connections
    • Does not require 5V Power Supply (used for OPTOUSB card)
  • Plug in USB to computer
    • Should hear Windoze detect sound
    • Use Device Manager to determine which COM port is used
  • Run puTTY
    • Baud rate = 115,200 baud
    • Hardware handshake RTS/CTS
    • COM port from Device Manager
  • Jumper Settings - Normal operation
    • Left jumper in right position (loopback data)
    • Middle jumper in left position (handshake = active/ground)
    • Right jumper in right position (loopback handshake)
    • Type on keyboard and verify it returns data
    • Verify both LEDs on the UUT light
  • Jumper settings - Test Tx/Rx isolation
    • Move left jumper to left position
    • Type data nothing should come back
    • Verify RX LED on the UUT only lights
    • Move left jumper to right position
  • Jumper settings - Test RTS/CTS
    • Move right jumper to left position (handshake controlled by middle jumper)
    • Type and characters should return
    • Move middle jumper to to right position (hardware handshake off)
    • Type and nothing should go through
    • Move middle jumper to to left position (hardware handshake on)
    • Characters that were buffered should come in at once
  • Mark test coupon on rear of card

Assembly Sheet

FTDI-49MM Assembly Sheet