XCaliber IoT/MOS/VIO
The XCaliber Internet-of-Things Microprocessor Operating System (IoT/MOS)
Shared Virtual Input/Output Devices (IoT/VIO) can be interconnected between multiple processors.

| IoT/VIO Inter-System Communications (ISC) – I2C Connections | |||
|---|---|---|---|
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| System 1 | Rail | Rail | System 2 |
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| ATmega328P | 5.0v | Rail+ | |
| Rail+ | Pull-Up1 | ||
| Pull-Up1 | SCL Rail | ||
| Rail+ | Pull-Up2 | ||
| Pull-Up2 | SDA Rail | ||
| ATmega328P | SCL | SCL Rail | |
| SDA | SDA Rail | ||
| SCL Rail | SCL | ATMega2560 | |
| SDA Rail | SDA | ||
| ATmega328P | Gnd(5v) | Gnd(5v) | ATmega2560 |