蓝牙耳机原理图Schematic

1 2 3 4 5 6 A B C D 654321 D C B A Title Number RevisionSize B Date: 21-Apr-2010 Sheet of File: F:\3300\3300\COZ 3300\电子\COZ3300 资料\COZ3300文件\COZ 3300 V1.0 20090602\COZ 3300 V1.0 20090808.ddbDrawn By: RFION E1 RF_IOP D1 GPIO_15 G6 GPIO_14 J10 GPIO_13 H11 GPIO_8 C4 GPIO_9 G10 GPIO_10 H10 GPIO_0 C6 GPIO_1 D9 GPIO_2 B6 GPIO_3 F11 LED2 B8 LED1 B7 VSS B1 VSS B2 VSS B3 VCHG B11 VBAT D11 XLXSWG A11 V F S W B 10 V D D 18 A 5 V D D R 3V A 1 S T A L P L 2 N C G 4 N C J1 1 X T A L N L 1 V S S D 7 V S S D 2 V S S E 8 V S S E 2 V S S E 4 V S S F 1 V S S G 2 V S S G 8 V S S J2 V S S J4 V S S J6 V S S K 10 V S S C 2 V S S L 3 V S S L 10 G P IO _5 E 6 G P IO _7 F 5 G P IO _6 B 4 V D D O F 7 V D D O D 3 V D D O L 11 V D D O A 3 V D D O H 3 AVSSCHG C10 VSSCHG D10 AVSSSWG A10 DVSSWG C8 AVSS A6 ACDAVSS K6 MICREF L6 MICAVSS K5 MICAVDD K4 ACDRXN1 L7 ACDRXP1 L8 NC K11 TM2 D5 TM1 B5 TM0 E11 MICBIAS L5 RES K2 VCTRIFP J1 WAKEB B9 AVDD_OUT C11 V D D C F 3 V D D C H 7 V D D C A 4 V D D C F 9 V R E G 1 A 2 V D D T F C 1 V D D P L L H 1 V D D V C O G 1 V D D X O K 1 P T E S T C 9 A C D A V D D L 4 V O A L D O A 8 S P K 1A V D D L 9 V O P A L A 7 S P K 1O U T P K 8 S P K 1O U T N K 7 S P K 1A V S S K 9 V D D S W G A 9 G P IO _1 1 H 5 G G P IO _1 2 H 9 G P IO _4 G 11 R S T _N F 10 U1 BCM2044SA1 LC2 1pF LC1 NC A1 ANTENNA C14 3.9PF SW1 ON/OFF 1 1 TP1 RX 1 1TP2 TX 1 1TP3 CTS 1 1TP4 RTS LED2 BLUE LED1 RED BAT+ C12 10uF L1 10uH +1V8 C9 10uF R10 1K R9 470R BAT+ C18 1uF AVDD C16 2.2uF C10 0.1uF C15 0.1uF R7 1K R6 2.2K C30 33pF C31 33pF MIC1 MICROPHONE2 C26 33PF C27 33PF SPK1 SPEAKER C8 1uF VDD_SPK C6 0.1uF 13 24 Y1 26.000MHZ C24 15PF C25 18PF SCL 6 GND 4 SDA 5 VCC 8 WP 7 A0 1 A12 A2 3 U3 AT24C64 +1V8 C4 0.1uF R2 4.7K R4 4.7K R3 4.7K +1V8 +1V8 C1 0.1uF 1P5VC C22 1uF C21 0.01uF C19 4.7uF 1P5VCVDD_AUDIO C7 1uF AVDD WAKEUP SW3 VOL UP SW2 VOL DN GPIO9 GPIO10 WAKEUP GPIO8 R5 150K 1% C29 470PF G P IO 5 G P IO 6 G P IO 7 C5 0.1uF C3 1uF +5V RX TX CTS RTS 1 1 TP5 RSET_N BAT1 BATTERY V1.0 BCM2044SA1 C28 2.2uF R11 1R 1 2 3 4 J1 Charging port L6 2.2nH SW4 Reset L3 600@100MHZ R8 10K C23 0.1uF +1V8 R12 10K C13 10uF BT headset detct Check 5V GND ! The handphone check VBAT is 4.2V or more low 4.0V and close or open charging 1号： BT Headset Detect 2号：BT电池电压的pin 3 号：充电 4号：GND C35 0.1uF