Congatec Battery Management Interface; Api Support (Cgos); Security Features; Suspend To Ram - Congatec COM Express conga-TC175 User Manual

6.4

congatec Battery Management Interface

In order to facilitate the development of battery powered mobile systems based on embedded modules, congatec AG has defined an interface
for the exchange of data between a CPU module (using an ACPI operating system) and a Smart Battery system. A system developed according
to the congatec Battery Management Interface Specification can provide the battery management functions supported by an ACPI capable
operating system (e.g. charge state of the battery, information about the battery, alarms/events for certain battery states, ...) without the need
for any additional modifications to the system BIOS.
In addition to the ACPI-Compliant Control Method Battery mentioned above, the latest versions of the conga-TC175 BIOS and board controller
firmware also support LTC1760 battery manager from Linear Technology and a battery only solution (no charger). All three battery solutions are
supported on the I2C bus and the SMBus. This gives the system designer more flexibility when choosing the appropriate battery sub-system.
For more information about this subject visit the congatec website and view the following documents:
• congatec Battery Management Interface Specification
• Battery System Design Guide
• conga-SBM User's Guide
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6.5

API Support (CGOS)

In order to benefit from the above mentioned non-industry standard feature set, congatec provides an API that allows application software
developers to easily integrate all these features into their code. The CGOS API (congatec Operating System Application Programming
Interface) is the congatec proprietary API that is available for all commonly used Operating Systems such as Win32, Win64, Win CE, Linux.
The architecture of the CGOS API driver provides the ability to write application software that runs unmodified on all congatec CPU modules.
All the hardware related code is contained within the congatec embedded BIOS on the module. See section 1.1 of the CGOS API software
developers guide, which is available on the congatec website.
6.6

Security Features

The conga-TC175 can be equipped optionally with a "Trusted Platform Module" (TPM 1.2/2.0). This TPM 1.2/2.0 includes coprocessors to
calculate efficient hash and RSA algorithms with key lengths up to 2,048 bits as well as a real random number generator. Security sensitive
applications like gaming and e-commerce will benefit also with improved authentication, integrity and confidence levels.
6.7

Suspend to Ram

The Suspend to RAM feature is available on the conga-TC175.
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