16.1.9 Proximity Connection ............................................................................................................. 99
16.2 6th Generation 1-mic CVC ENR Technology for Hands-free and Audio Enhancements ..................... 99
16.2.1 Acoustic Echo Cancellation .................................................................................................. 100
16.2.2 Noise Suppression with Wind Noise Reduction ................................................................... 100
16.2.3 Non-linear Processing (NLP) ............................................................................................... 100
16.2.4 Howling Control (HC) ........................................................................................................... 100
16.2.5 Comfort Noise Generator ..................................................................................................... 100
16.2.6 Equalisation .......................................................................................................................... 100
16.2.7 Automatic Gain Control ........................................................................................................ 101
13 16.2.8 Packet Loss Concealment ................................................................................................... 101
, 20 16.2.9 Adaptive Equalisation (AEQ) ................................................................................................ 101
16 16.2.10 Auxiliary Stream Mix ............................................................................................................ 102
er 16.2.11 Clipper .................................................................................................................................. 102
mb 16.2.12 Noise Dependent Volume Control ........................................................................................ 102
pte 16.2.13 Input Output Gains ............................................................................................................... 102
Se 16.3 Music Enhancements ........................................................................................................................ 102
ay, 16.3.1 Audio Decoders .................................................................................................................... 102
nd 16.3.2 Configurable EQ ................................................................................................................... 103
Mo 16.3.3 Volume Boost ....................................................................................................................... 103
n - 16.4 CSR8615 Mono ROM Solution Development Kit .............................................................................. 104
.c 17 Tape and Reel Information ......................................................................................................................... 105
.com 17.1 Tape Orientation ................................................................................................................................ 105
m 17.2 Tape Dimensions ............................................................................................................................... 106
om 17.3 Reel Information ................................................................................................................................ 107
ec 17.4 Moisture Sensitivity Level .................................................................................................................. 107
ach 18 Document References ................................................................................................................................ 108
ap Terms and Definitions .......................................................................................................................................... 110
List of Figures james Tsao - Figure 1.1
r Figure 2.1
d fo Figure 3.1
are Figure 5.1
ep Figure 6.1
Pr Figure 7.1
Device Pinout .................................................................................................................................. 14
Simplified Circuit BT_RF ................................................................................................................. 23
Crystal Oscillator Overview ............................................................................................................. 25
Kalimba DSP Interface to Internal Functions .................................................................................. 30
Serial Flash Interface ...................................................................................................................... 31
Universal Asynchronous Receiver .................................................................................................. 33
Figure 7.2 Example I²C EEPROM Connection ................................................................................................. 35
Figure 8.1 LED Equivalent Circuit .................................................................................................................... 37
Figure 9.1 Audio Interface ................................................................................................................................ 38
Figure 9.2 Audio Codec Input and Output Stages ............................................................................................ 39
Figure 9.3 Audio Input Gain ............................................................................................................................. 40
Figure 9.4 Microphone Biasing ......................................................................................................................... 43
Figure 9.5 Differential Input .............................................................................................................................. 44
Figure 9.6 Single-ended Input .......................................................................................................................... 44
Figure 9.7 Speaker Output ............................................................................................................................... 45
Figure 9.8 Side Tone ........................................................................................................................................ 45
Figure 9.9 PCM Interface Master ..................................................................................................................... 48
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