Difference between revisions of "DCE"
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== SP232A Application == | == SP232A Application == | ||
| − | * SP232ACN-L is 5V part | + | * [https://www.mouser.com/datasheet/2/146/SP232A-1888996.pdf SP232ACN-L] is 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 | * [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 | ||
Revision as of 14:59, 20 July 2022
Contents
Features
- TTL to RS-232 converter
- Female DB-9 connector
- FTDI pinout (reversed directions to directly connect to FTDI Interface)
- 49x49mm card
- 4x 4-40 holes
DCE - RS-232 to TTL
- The DCE (peripheral) has the female DB-9 connector
- The DTE (PC) has the male DB-9 connector
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)
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
DTE (reference)
- The DTE (PC) has the male connector
