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DS9097U-S09# - RS232 1-Wire Host Adapter w/o ID

DS9097U-S09# - RS232 1-Wire Host Adapter w/o ID

Part Number:DS9097U-S09#


 In Stock, 98
Volume Discount
  • 10 - 49
  • $38.95
  • 50 - 99
  • $37.93
  • 100+
  • $34.95
  • True-ground interface to an RS232 COM Port for reading and writing 1-Wire devices.
  • Works with bipolar as well as unipolar logic signals.
  • Compatible to COM ports of ±5V to ±12V.
  • Supports reading and writing at regular and Overdrive speeds.
  • Provides strong pull-up to 5V for Temperature-, Crypto- and EEPROM 1-Wire devices.
  • Communicates at data rates of 9.6 (default), 19.2, 57.6, and 115.2kbps.
  • Standard DB-9 and 6-lead RJ-12 connector for easy attachment of standard 1-Wire cables and probes.

The DS9097U is a RS-232 to 1-Wire adapter, which performs RS-232 level conversion and actively generates the 1-Wire communication signals. Together with an adequate TMEX software driver it enables an IBM-compatible PC to directly communicate with any 1-Wire device connected to the adapter's RJ-12 port. The DB-9 version reads and writes any non-EPROM 1-Wire device. All DS9097U adapters are based on the DS2480B serial 1-Wire line driver chip and therefore are not a plug-in replacement for the DS9097 or DS9097E. The RXD/TXD Polarity Select input of the DS2480B is tied to Vdd (non-inverting).

The DS9097U communicates with 1-Wire devices at regular speed as well as overdrive speed. The serial port must support a data transmission rate of 9600bps. Under software control, the adapter can be set up for RS-232 data rates of 19200, 57600 and 115200bps. The two higher rates are recommended for communication at overdrive speed with overdrive capable devices. Since the DS9097U operates in a byte mode, every data byte received from the RS-232 port generates eight time slots on the 1-Wire line.

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