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CSR8670 Datasheet(PDF) 12 Page - BUDDIES TECHNOLOGY LIMITED. |
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CSR8670 Datasheet(HTML) 12 Page - BUDDIES TECHNOLOGY LIMITED. |
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12 / 27 page ![]() http://www.buddies-tech.com BTM8670 DATASHEET 12 45 VBAT_SENSE NC Battery charger sense input 46 VBUS Power supply Alternative supply via bypass regulator for 1.8V and 1.35V Switch mode power supply regulator inputs. Must be connected to the same potential as VOUT_3V3. 47 CHG_EXT NC External battery charger control 48 +1V8 Open drain output LED driver 49 3V3_OUT NC 3.3V bypass linear regulator output 50 GND Ground Digital Ground 51 MIC_RN Analogue in Microphone input negative, right 52 MIC_RP Analogue in Microphone input positive, right 53 MIC_BIAS_B Analogue out Microphone bias B 54 MIC_BIAS_A Analogue out Microphone bias A 55 MIC_LN Analogue in Microphone input negative, left 56 MIC_LP Analogue in Microphone input positive, left 57 AGND Ground Analogue Ground 58 SPKR_LN Analogue out Speaker output negative, left 59 SPKR_LP Analogue out Speaker output positive, left 60 SPKR_RN Analogue out Speaker output negative, right 61 SPKR_RP Analogue out Speaker output positive, right 62 AIO_0 Bi-directional Analogue programmable input / output line 63 GND Ground Analogue Ground 42 GND Ground Digital Ground 43 PWR Input enable Regulator enable input. Can also be sensed as an input. Regulator enable and multifunction button. A high input (tolerant to VBAT) enables the on-chip regulators, which can then be latched on internally and the button used as a multifunction input. 44 VBAT Power supply Battery positive terminal |
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