This card adds a real-time clock/calendar and an I2C bus master to the Z50Bus.

The main features are:

• Z50Bus card measuring approximately 100mm x 75mm (4″ x 3″)
• Real-time clock (RTC) using DS1302+ integrated circuit
• I2C bus master for 5-volt I2C devices
• Configurable I/O address with tight address decoding
• LED indicators to show the state of the I2C signals
• A variety of I2C bus connections (both male and female)
• Spare I/O lines available via header pins
• Jumpers to allow I2C signals to use the bus USER pins

The I2C bus is compatible with many 5-volt I2C devices, including the SC400 range of I2C modules.

The real-time clock is supported by RomWBW firmware. RomWBW runs on SC503 Z180 processor card for Z50Bus.

The kit contains everything you need to build this Z50Bus card, except a CR2032 battery, solder, tools, and cleaning materials.

Documentation

The documentation can be found at www.smallcomputercentral.com

Related items

• SC505 - Printed circuit board on its own
• SC501 - 7-slot backplane for Z50Bus
• SC502 - Power, reset, and status card for Z50Bus
• SC503 - Z180 processor card for Z50Bus
• SC504 - Compact Flash Interface Card for Z50Bus
• SC506 - Digital I/O Card for Z50Bus
• SC138 - I2C memory card
• Components, spares, and accessories

Notes

• This product is supplied as a kit of parts that require assembly.
• It is your responsibility to pay any import duty or taxes charged by your home country.
• This design is made with the permission of LiNC (designers of the Z50Bus).
• This product is designed for hobby use and is not suitable for industrial, commercial, or safety-critical applications.
• RomWBW has been provided free of charge by its author Wayne Warthen.

Products usually ship within 3 days