Difference between revisions of "DTE"
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| + | [[File:tindie-mediums.png|link=https://www.tindie.com/products/24285/]] | ||
| + | |||
| + | [[File:DTE_P562-720px.jpg]] | ||
| + | |||
== Features == | == Features == | ||
* TTL to RS-232 converter | * TTL to RS-232 converter | ||
| − | * 9 | + | ** Tx/RX/RTS/CTS |
| + | * Male DB-9 connector | ||
* FTDI pinout (reversed directions to directly connect to FTDI Interface) | * FTDI pinout (reversed directions to directly connect to FTDI Interface) | ||
| + | * Up to 115,200 baud @ 5V | ||
| + | * Up to 250,000 baud @ 3.3V | ||
* 49x49mm card | * 49x49mm card | ||
* 4x 4-40 holes | * 4x 4-40 holes | ||
| Line 9: | Line 16: | ||
== DTE - RS-232 to TTL == | == DTE - RS-232 to TTL == | ||
| − | |||
* The DTE (PC) has the male DB-9 connector | * The DTE (PC) has the male DB-9 connector | ||
| Line 16: | Line 22: | ||
* The [[DCE]] (peripheral) has the DB-9 female. | * The [[DCE]] (peripheral) has the DB-9 female. | ||
| − | == H1 Connector == | + | == Connectors == |
| + | |||
| + | === H1 Connector === | ||
* Pins signal directions are reversed from an FTDI card | * Pins signal directions are reversed from an FTDI card | ||
| Line 31: | Line 39: | ||
* Pins 4 and 6 are backwards on Rev 1 card - corrected on Rev 2 card | * Pins 4 and 6 are backwards on Rev 1 card - corrected on Rev 2 card | ||
| + | |||
| + | === H2 - Power === | ||
| + | |||
| + | * 2x4 right angle header (optional) | ||
== Test Procedure == | == Test Procedure == | ||
| + | |||
| + | [[File:DCE_DTE_Test_P554_720px.jpg]] | ||
* [[FTDI-49MM]] | * [[FTDI-49MM]] | ||
** 3.3V/5V jumper set to 5V | ** 3.3V/5V jumper set to 5V | ||
| − | ** Power cable from [[FTDI-49MM]] 5V Connector split to both | + | ** Power cable from [[FTDI-49MM]] 5V Connector split to both [[DCE]]/DTE cards |
* [[DCE]]/DTE Cards | * [[DCE]]/DTE Cards | ||
** 9 pin connectors plugged together | ** 9 pin connectors plugged together | ||
| Line 42: | Line 56: | ||
** TX/RX connected | ** TX/RX connected | ||
** RTSCTS connected | ** RTSCTS connected | ||
| + | * USB B cable to PC | ||
* Run PuTTY | * Run PuTTY | ||
** 115,200 baud, RTS/CTS | ** 115,200 baud, RTS/CTS | ||
| Line 48: | Line 63: | ||
== SP232A Application == | == SP232A Application == | ||
| − | * SP232ACN-L is 5V part | + | * [https://www.mouser.com/datasheet/2/146/SP232A-1888996.pdf SP232ACN-L] is 5V part |
| − | * ICL3232IBNZ is 3.3V or 5V part | + | * [https://www.mouser.com/datasheet/2/698/REN_icl3221_22_23_32_41_43_DST_20190405-1997874.pdf ICL3232IBNZ] is 3.3V or 5V part |
[[File:SP232A_app.PNG]] | [[File:SP232A_app.PNG]] | ||
| Line 56: | Line 71: | ||
* The [[DCE]] (Terminal) has the female connector | * The [[DCE]] (Terminal) has the female connector | ||
| + | * [[RS-232 Breakout Card]] | ||
== DTE Assembly Sheet == | == DTE Assembly Sheet == | ||
* [[DTE Assembly Sheet]] | * [[DTE Assembly Sheet]] | ||
Latest revision as of 14:23, 19 August 2022
Contents
Features
- TTL to RS-232 converter
- Tx/RX/RTS/CTS
- Male DB-9 connector
- FTDI pinout (reversed directions to directly connect to FTDI Interface)
- Up to 115,200 baud @ 5V
- Up to 250,000 baud @ 3.3V
- 49x49mm card
- 4x 4-40 holes
DTE - RS-232 to TTL
- The DTE (PC) has the male DB-9 connector
- The DCE (peripheral) has the DB-9 female.
Connectors
H1 Connector
- Pins signal directions are reversed from an FTDI card
- Can be directly wired to FTDI connector
Pinout
- GND
- CTS (out)
- VCC (3.3V or 5V)
- TX (in)
- Rx (out)
- RTS (in)
- Pins 4 and 6 are backwards on Rev 1 card - corrected on Rev 2 card
H2 - Power
- 2x4 right angle header (optional)
Test Procedure
- FTDI-49MM
- DCE/DTE Cards
- 9 pin connectors plugged together
- FTDI loopback cable
- TX/RX connected
- RTSCTS connected
- USB B cable to PC
- Run PuTTY
- 115,200 baud, RTS/CTS
- Type and it comes back
SP232A Application
- SP232ACN-L is 5V part
- ICL3232IBNZ is 3.3V or 5V part
DCE (reference)
- The DCE (Terminal) has the female connector
- RS-232 Breakout Card
