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Currently, we offer
UMS2 and
UMS3 USB to Serial interface modules and
UMP2 USB to Parallel interface module.
The old
UMS1 and
UMP1 modules have been discontinued.
| Selection table |
| Part number |
Interface
type |
Interface
voltage levels |
Chip |
EEPROM |
Number of pins |
| UMS2 |
Serial (UART) |
3.3 ... 5 V |
FT232BL |
On board |
28 (DIP, 600 mils) |
| UMS3 |
Serial (UART) |
1.8 ... 5 V |
FT232RL |
On chip |
24 (DIP, 600 mils) |
| UMP2 |
Parallel (8-bit) |
3.3 ... 5 V |
FT245BL |
On board |
28 (DIP, 600 mils) |
![[UMS2]](img/ums2_120x92.jpg)
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UMS2
28-pin low cost USB->Serial module based on the FT232BL chip.
Capable of communication speeds up to 1 MBaud in the RS232 mode and up to 3 MBaud in the RS485 mode.
On-board serial EEPROM.
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![[UMS3]](img/ums3_small.png)
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UMS3
24-pin low cost USB->Serial module based on the FT232RL chip.
Capable of communication speeds up to 3 MBaud.
On-chip EEPROM and the unique serial number.
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![[UMP2]](img/ump2_120x89.jpg)
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UMP2
28-pin low cost USB->Parallel module based on the FT245BL chip.
8-bit parallel bus with the handshaking signals.
On board serial EEPROM. Capable of communication speeds up to 1 MByte/sec.
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