The maximum number of devices that can be connected to a single 1-Wire bus is limited by the bus capacitance and the signal rise time. Typically, up to 10 devices can be connected, but this can be increased with the use of repeaters or buffers.
To ensure reliable communication, it is essential to follow the 1-Wire bus protocol, use a strong pull-up resistor, and minimize bus capacitance. Additionally, using a 1-Wire bus master with a built-in time slot generator can help to reduce errors.
The VPP (Programming Voltage) pin is used to provide a higher voltage (typically 12V) to the device during programming. This allows the device to be programmed in-circuit, without the need for an external programmer.
Yes, the DS2502-UNW can be used in a multi-drop configuration, where multiple devices are connected to a single 1-Wire bus. Each device has a unique ROM ID, which allows the bus master to address and communicate with individual devices.
The maximum data transfer rate of the DS2502-UNW is 16.3 kbps, which is the standard data rate for the 1-Wire bus protocol.
