Rev. 6.2
Micronet SmarTab 8 – Hardware Guide
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LED and Buzzer
The LED and buzzer are used to alert the driver that the Micronet SmarTab 8 is not docked. This alert is
enabled by default. The cradle’s MCU firmware provides an API to disable both the LED and buzzer if
required.
5. Standard Cradle Model
Overview
The standard cradle model supports a basic set of interfaces, including vehicle power, an ignition switch
signal, and an RS232 communication port.
Functional Details
The Micronet SmarTab 8 standard cradle provides the following interfaces:
•
12V/24V line to charge the Micronet SmarTab 8 battery
•
A2D input signal for ignition switch control
•
USB TYPE-C for ADB connection
•
An automotive general-purpose (digital or A2D) input and an open-collector output
•
Serial & Debug communication ports
Standard Cradle Dev Cable
The Micronet SmarTab 8 standard cradle development cable, shown in figure 10 below, exposes power,
ignition, USB Type-C, a serial communication line, and a serial debug line and two GPIOs.
