Eight channel PMC audio card with front and rear I/O for use in embedded computer applications based on the Cmedia CMI8768.

Category: Tag:


Audio PMC card – PMC487

The PMC487 is a single-chip PCI audio controller with integrated codec, full duplex 8 channel DAC and 2 channel ADC, 96k/16bit playback and 48k/16bit recording support.

The Integrated SPDIF transmitter can deliver 5.1 Dolby® Digital/DTS®, or 6.1/7.1 Dolby® Digital Surround EX/DTS ES soundtracks and up-to-96kHz high-definition audio stream to an external receiver.

The audio interfaces via the PMC487 front panel consist of a line input, a microphone input, a front line output and a speaker output with an on-board stereo amplifier; all using 3.5mm stereo connectors.

Optionally the audio connections can be made via the rear I/O of the PMC487 using the PIM481-J (PMC I/O Module, with four 3.5mm stereo connectors) or the PIM481-DSUB (PMC I/O Module, with 15-pin DSUB connector). The PIM481-J and PIM481-DSUB are to be mounted on a rear transition module. Both the front and rear I/O of the PMC487 are compatible with the PMC481 audio card.

A special PIM with SPDIF interface is available for the PMC487. More PIM modules may become available in the future.

The PMC487 is available in temperature range -20 .. +70°C.

Driver support for the Cmedia CMI8768-series are included in commonly used operating systems, like Windows, Linux and VxWorks.


Single slot PMC (IEEE 1386.1-2001) with front I/O and rear I/O
PCI interface rev.2.2, 33MHz, 32-bit, supports 3.3V and 5V signalling
Optional PIM (VITA 36) for rear I/O connections
Cmedia CMI8768 8 channel PCI integrated sound chip
Four audio connections via front panel
Front or rear line out selectable by solder jumper to speaker output
Driver support available in commonly used operating systems


PMC487_datasheet – product datasheet