Schematics

FCC ID: 2AANZBTLXE

Schematics

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FCCID_3680588

5 4 3 2 1 MCU:AC6908C GND U1 AC6908C-TSSOP20 USB1 7 6 1 20 MINI-USB DC+5V MCU-5V OSC24MI BT_OSCI VSSIO 2 19 Y1 24MHz/10PPM S2 S1 OSC24MO BT_OSCO BT_RF BT-ANT-IC LEDB 3 18 LEDB USBDM ADC13/PR2 PP/POWER LEDR 4 17 RTCVDD 1 3 1 R1 20R LEDR USBDP RTCVDD OSC24MI OSC24MO VBUS 5 16 BT_AVDD 2 MIC PB13/MIC/PA3/AUX1L/ADC0 BT_AVDD D- D 6 15 MCU-5V 3 D DACL DACL LDO_IN D+ 7 14 BAT+3V7 4 DC+5V VCOMO 2 4 8 VCOMO VBAT 13 ID 5 DACVDD DACVDD SW SW GND VCOM 9 12 10 VCOM PGND 11 C13 S4 S3 DACVSS VDDIO 3V3 GND 105 8 9 GNDA GND GND USB GND BT_AVDD L2 10uH/120mA SW C9 C3 C4 DAC BT-ANT-IC L4 12PF BT-ANT 105 104 106 C VCOMO R- VCOMO L- L3 1NH GND C J1 GND GND GNDA DACL R+ DACL L+ PCB_BT_ANT ANT1 2 1 KEY RTCVDD BT-ANT VCOM R9 MCU-5V 3V3 BAT+3V7 RTCVDD DACVDD 20K PWR K1 ANT PP/POWER C10 C4 C11 C7 C6 C5 PREV/V- B 105 105 106 105 105 105 R11 20K K2 B NEXT/V+ R12 47K K3 MIC GND GNDA GND DACVDD R3 6.8K C19 104 1 MK1 MIC 2 MIC LED BAT TEST POINT R5 LED2 LEDB 470R BLUE GND BATT+ B+ GNDA LEDB DM B- A DP R4 680R LED1 A LEDR LEDR RED GND BAT+3V7 BAT+3V7 GND Shenzhen Lenze Technology Co,.LTD Title GND GND <Title> MCU-6908 Size Document Number Rev A4 <Doc> 6908 APPLICATION CIRCUIT.dsn V1.0 Date: Wednesday, August 30, 2017 Sheet 1 of 3 5 4 3 2 1


Document Created: 2017-12-15 10:18:01
Document Modified: 2017-12-15 10:18:01
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