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 | ||
| + | * Inputs are 5V tolerant (when set to 3.3V levels) | ||
* 2x6 Header for 5V power distribution | * 2x6 Header for 5V power distribution | ||
* Rx and Tx LEDs | * Rx and Tx LEDs | ||
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** Mounts to [[CARRIER95TO49MM|optional 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 |
| − | * On FTDI connector VCC pin | + | * On FTDI connector VCC pin pin 3 |
| + | (Inputs are 5V tolerant (when set to 3.3V levels) | ||
=== FTDI 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 === | ||
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[[File:P1752-CROPPED-720PX.jpg]] | [[File:P1752-CROPPED-720PX.jpg]] | ||
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== Card Test == | == Card Test == | ||
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[[File:OPTOUSB_Tester_Card-Annotated-720pxV.jpg]] | [[File:OPTOUSB_Tester_Card-Annotated-720pxV.jpg]] | ||
| − | * Connect | + | * UUT card |
| + | * Connect [[OPTOUSB#Card_Test|OPTOUSB tester card]] to UUT | ||
** Connect FTDI - black = ground | ** Connect FTDI - black = ground | ||
** Does not require LEDs connections | ** Does not require LEDs connections | ||
** Does not require 5V Power Supply (used for [[OPTOUSB]] card) | ** Does not require 5V Power Supply (used for [[OPTOUSB]] card) | ||
| − | |||
* Plug in USB to computer | * Plug in USB to computer | ||
** Should hear Windoze detect sound | ** Should hear Windoze detect sound | ||
| Line 88: | Line 84: | ||
** Move middle jumper to to left position (hardware handshake on) | ** Move middle jumper to to left position (hardware handshake on) | ||
** Characters that were buffered should come in at once | ** 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
Contents
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
- Mounts to optional 95mm to 45mm adapter
- 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/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
- GND
- CTSn (IN)
- VCC
- TX (OUT)
- RX (IN)
- RTSn (OUT)
USB Connector
- USB B Connector
Stackup with EP2 FPGA card
- Top to bottom of stackup
- EP2C5-DB
- Cyclone_II_EP2C5_Mini_Dev_Board Card
- FTDI-49MM - (this card)
- CARRIER95TO49MM
Card Test
- 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
