Technical information

Technical Information CC0-CHILLOUT • LPC Super-I/O
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EKF Elektronik GmbH • Philipp-Reis-Str. 4 • 59065 HAMM • Germany
Tel. [phone] • Fax. [phone] • E-Mail [e-mail] • Internet www.ekf.de
RS-232E Transceivers
The Super-I/O chip provides two asynchronous serial ports (TTL level), which are passed via the
J2 rear I/O connector to a rear I/O transition module.
Furthermore, the CC0-CHILLOUT is optionally provided with two serial transceivers according to
RS-232E. As with the TTL level serial port signals, also the RS-232 transmission lines are wired to
the J2 rear I/O connector for usage on a transition module (back panel COM port connectors).
Each transceiver can be individually disabled by the jumpers J-SER1 and J-SER2, if either the
particular RS-232 interface is not at all required (with a power saving effect), or if a different
interface type is required, e.g. EIA/TIA-485 or optically isolated RS-232 (physical transceivers
located on the rear I/O transition module, attached to the TTL level signals).
Conclusion: Each on-board transceiver on the CC0-CHILLOUT must be enabled by setting its
associated jumper J-SERx in order to use the COMx rear panel connector(s). If however the serial
TTL lines are needed for a special interface solution, the particular on-board transceiver(s) must
be disabled by removing its jumper J-SERx.
Power Supply Requirements
Operating
Voltage
max. Current
+5V / ±0.25V TBD
+3.3V / ±0.1V TBD
+12V / ±0.5V TBD