> 1.3 | Abbreviations

> Table 1: | Abbreviations

> Abbreviation | Description
> ACM | Abstract Control Model
> ACPI | Advanced Configuration and Power Interface
> ASC0 / ASC1 | Asynchronous Controller. Abbreviations used for the first and second serial interface of MC75/TC6x products.
> B2B | Short for board-to-board connector
> COM port | Communication port, serial port
> CDC | Communication Device Class
> CRC | Circular Redundancy Check
> DSB | Development Support Box
> DTR | Data Terminal Ready
> IGT | Ignition
> ME | Mobile Equipment
> TA | Terminal Adapter
> TE | Terminal Equipment
> TXD | Transmit direction
> RXD | Receive direction
> USB | Universal Serial Bus
> VCOM | Virtual COM port
> VCU | Virtual COM port USB

> A complete list of abbreviations is provided in [1].