DS2480B DATASHEET PDF

Serial to 1-Wire Line Driver. Active Pullup to Accommodate Long Lines. Tolerance for Serial and 1-Wire. Minimizes Component Count When. Directly to UARTs.

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Serial to 1-Wire Line Driver. Active Pullup to Accommodate Long Lines. Tolerance for Serial and 1-Wire. Minimizes Component Count When. Directly to UARTs. Information Without Requiring Extra Pins.

RS Converters. External 12V Power Supply. Characteristics Accommodate a Wide Range. NC - No Connection. Programming Voltage.

Maxim Integrated Products, Inc. The DSB is a serial port to 1-Wire interface chip that supports standard and overdrive speeds. It con-. Internal timers relieve the host of the burden of. In contrast to the DS E where a full. Maxim Integrated 1. In addition, the. DSB can be set to communicate at four different data rates, including DSB uses a unique protocol that merges data and control information without requiring control pins. This approach maintains compatibility to off-the-shelf serial to wireless converters, allowing easy.

The various control functions of the DSB are optimized for See Application Note Using the. Common ground reference and ground return for 1-Wire bus. No Connection. Power Input Pin. Power supply for the chip and 1-Wire pullup voltage, 5V. V DD should be derived from. V PP by a separate voltage regulator whenever possible.

Data input from host inverted or true ; maximum. Signal output to host; push-pull driver with CMOS. In addition the device performs a speed conversion allowing the data rate at the.

Several parameters relating to the 1-Wire. The circuit to achieve these functions is outlined in the block diagram see Figure 1. The device gets its input data from the serial communication port of the host computer through pin TXD. For compatibility with active-high as well as active-low systems, the incoming signal can be inverted by. The polarity chosen by hard-wiring the logic level of this pin is also.

If for minimizing the interface hardware an asymmetry between RXD and. TXD is desired, this can be achieved by setting the most significant bit of the speed control parameter to a. With the MS bit of the speed control set to 1, the polarity. Maxim Integrated Download DSB Datasheet. Internal timers relieve the host of the burden of generating the time-critical 1-Wire communication waveforms.

DSB into eight 1-Wire time slots, thereby increasing the data throughput significantly. In addition, the DSB can be set to communicate at four different data rates, including The DSB uses a unique protocol that merges data and control information without requiring control pins. This approach maintains compatibility to off-the-shelf serial to wireless converters, allowing easy realization of 1-Wire media jumpers.

No Connection Power Input Pin. Data input from host inverted or true ; maximum voltage swing In addition the device performs a speed conversion allowing the data rate at the communication port to be different from the 1-Wire data rate. Several parameters relating to the 1-Wire port and its timing as well as the communication speed at both the port and the 1-Wire bus are configurable. For compatibility with active-high as well as active-low systems, the incoming signal can be inverted by means of the polarity input POL.

The polarity chosen by hard-wiring the logic level of this pin is also valid for the output pin RXD. If for minimizing the interface hardware an asymmetry between RXD and TXD is desired, this can be achieved by setting the most significant bit of the speed control parameter to a 1 see Configuration Parameter Value Codes.

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DS2480 Datasheet PDF

The is a serial port to 1-Wire interface chip that supports standard and overdrive speeds. Internal timers relieve the host of the burden of generating the time-critical 1-Wire communication waveforms. In contrast to the DS E where a full character must be sent by the host for each 1-Wire time slot, the DSB can translate each character into eight 1-Wire time slots, thereby increasing the data throughput significantly. In addition, the DSB can be set to communicate at four different data rates, including Command codes received from the host's crystal controlled UART serve as a reference to continuously calibrate the on-chip timing generator. DSB uses a unique protocol that merges data and control information without requiring control pins.

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