What is csr8635 QFN?
What is csr8635 QFN?
Single Chip Bluetooth Audio ROM Platform. The CSR8635 QFN single-chip Bluetooth audio ROM device targets mid-range stereo speakers and headsets. CSR8635 and Qualcomm Kalimba are products of Qualcomm Technologies, Inc., and/or its subsidiaries.
What is the vregenable pin on a csr8645?
The official documentation for CSR8645 gives information about a “3V3_USB” pin which gives direct access to the V3.3 internal rail. 9. The official documentation also mention a VREGENABLE pin in order to start and latch the power input regulation.
What are the different Bluetooth profiles for Kalimba and csr8635?
CSR8635 and Qualcomm Kalimba are products of Qualcomm Technologies, Inc., and/or its subsidiaries. Standard Profiles: Bluetooth Hands-Free Profile (HFP) 1.6, Bluetooth Audio/Video Remote Control Profile (AVRCP) 1.4, Bluetooth Advanced Audio Distribution Profile (A2DP) 1.2, Bluetooth Device ID Profile (DIP) 1.3, Bluetooth Headset Profile (HSP) 1.2
How to reprogram the CSR chip?
To reprogram the CSR chip you need to talk to it using an SPI interface. The equipment you need is a USB to SPI converter. Here is a link to the programmer I purchased.