Bluetooth® + GPS + FM Combination ('Combo') Chip Solution
Providing a power-efficient connected audio subsystem for multimedia smartphones and other handset devices
The BCM20751 combo chip is a powerful communications and media subsystem that enables key smartphone connectivity (including Bluetooth, GPS and FM radio) while also providing sophisticated audio processing. It offloads media and other processing from the phone's baseband processor to achieve significant power savings, increasing playback time by as much as 100 percent in multimedia handsets.
The BCM20751 is based on the Broadcom BCM2075 Broadcom InConcert® combo chip, and includes the technologies that enable the total phone system to consume less power. The processor includes additional memory buffering (up to 90 Kb) and integrated MP3 and ACC+ decoders, as well as an on-chip 5-band audio equalizer that enables the BCM20751 to perform high quality playback of popular music file formats while the baseband sleeps. It enables an increase in total estimated music playback time so that a mobile handset with the BCM20751 could support about 70 hours of music playback (in comparison to 40 hours of music playback for popular standalone MP3 players). The BCM2075 also includes Broadcom's stereo headset emulation that allows the handset to operate as a Bluetooth stereo headset using wired earphones, and provides up to 50 hours of Bluetooth music listening.
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- Bluetooth 3.0 + HS compliant, to enable the most advanced capabilities
- Integrated FM receive and transmit
- GPS core uses a host-based integration architecture that splits the processing duties providing low power GPS
- Monolithic 65 nm CMOS with AGPS, Bluetooth HCI controller, and FM RX/TX integrated on a single die
- Spurious-free simultaneous operation between AGPS, Bluetooth, and the FM transceiver
