BC358239A蓝牙耳机电路图内置flash

BC358239A蓝牙耳机电路图内置flash

1 MIC_RIGHT_+ MIC_LEFT_+ MIC_RIGHT_MIC_LEFT_-

2

3

4

5

6

7

8

+1.8V

+1.8V

+1.8V

PIO9

PIO3

PIO4

PIO5

PIO6

PIO7

MIC1 -42dB

R26 2.2R

PIO8

D

L3 15nH C20 15P SP1 R33 R SPEAKER 10R

R32 2.2K C7 4.7uF UART_RX UART_TX UART_CTS UART_RTS J2 UART SPI_CLK SPI-MISO SPIO_MOSI SPI-CSB J1 SPI L1 2.2nH AIO0 C1 NC J3 CHANG C2 2P P1 TE1 RESET C3 100n 1 2 3 4 5 6 1 2 3 4 5 6

C19 4.7uF

R4 10K

R6 47K

R8 47K

R10 47K

R12 47K

R14 47K

R16 47K

Y1 C8 Toyocom TN-25888 16M 3P3 C9 10P D

C4 15P C5 C18 100n 10n C6 10n R5 1M R7 47K R9 47K R11 47K R13 47K R15 47K R17 47K

L6 C7 F11 B11 K6 C8

L10 L7 A3 E11 G9

K8

H9

B4

K9

B2

B3

F1 J2 E3 L5

L3

SPKR_LEFT_P SPKR_LEFT_N SPKR_RIGHT_P SPKR_RIGHT_N

VDD_DIG VDD_CORE VDD_CORE VDD_MEM1 VDD_MEM2 VDD_F

USB_DETCH/UART_RTS/PIO[5]

UART_RX/CLK_OUT/PIO[7]

VDD_USB REG_IN VDD_PIO VDD_PADS RESETB

VDD_BAL(RF_A) VDD_LO VDD_RADIO VDD_ANA

A1 Gigaant 3030A6250

21 20 19 18 17 16 79 78 57 RF_IN 12

USB_WAKE_UP/HOST_CLK_REQ/PIO[3]

CLK_REQ/UART_CTS/PIO[6]

USB_DN/UART_TX/PIO[4]

XTAL_OUT

PIO[9]

PIO[8]

XTAL_IN

SP2 R34 L SPEAKER 10R

B10 B9 B8 B7 B6 B5 H2 H1 F2 D2 B1 K5 J7 K7 J8 C2 F9

L4

J9

PIO[0]/RXEN PIO[1]/TXEN UART_TX UART_RX UART_RTS UART_CTS PCM_CLK PCM_OUT PCM_IN PCM_SYNC SPI_CLK SPI_MOSI SPI_MISO SPI_CSB

D3 C4 J10 J11 L11 K11

PIO0 PIO1 UART_TX UART_RX UART_RTS UART_CTS

AIO[0] AIO[1] AIO[2] AIO[3] AUX_DAC RESET

U1 BC358239A

H10 PCM_CLK G10 PCM-OUT H11 PCM-IN G11 PCM_SYNC D10 SPI_CLK D11 SPIO_MOSI C11 SPI-MISO C10 SPI-CSB R19 22R L9 L8 R18 22R U5 SC805+5V BAT 1 2 3 4 5 R53 3K VCCIN CHRGB VCCIL RTIME VOUT NOBAT IPRGM EN/NTC ITERM GND 10 9 8 7 6 R54 1M TCHANGLED

+5V

RF_MATCH VSS_RF VSS_RF VSS_RADIO VSS_RADIO VSS_RADIO VSS_RADIO VSS_LO VSS_LO1 VSS_SUB VSS_CORE VSS_CORE VSS_PIO VSS_PADS VSS_PADS VSS_PADS VSS_F VSS_ANA

PIO[11]

PIO[10]

RESET

C47 1uF

R63 2R2

R3 47K

A1 K1 J1 E2 F3 G1 G2 G3 H3 C9 C6 F10 A2 D9 E10 K10 C5 K4

D1 E9

E1 A11 A10 A9 A8 A7 A6 C1

K2

K3

L1

L2

A5

A4

J4 J3 J6 J5

C3

PIO[2]

R62 2R2

VSS_RADIO TEST_EN

R61 47K

G G D+ D5V G

MIC_RIGHT_N

MIC_RIGHT_P

C

SPKR_RIGHT_P SPKR_RIGHT_N SPKR_LEFT_P SPKR_LEFT_N

MIC_LEFT_N

MIC_LEFT_P

45 11 10 9 8 7 6 23

0 4 3 2 1 0

USB_DP USB_DN

C

MIC_RIGHT_N

MIC_RIGHT_P

MIC_LEFT_N

MIC_LEFT_P

SPKR_RIGHT_P SPKR_RIGHT_N SPKR_LEFT_P SPKR_LEFT_N MIC_LEFT_N MIC_LEFT_P MIC_RIGHT_N MIC_RIGHT_P R20 100K R21 150K C10 B 47n MIC_RIGHT_+ R22 1M C11 47n MIC_RIGHT_C12 47n R25 1M R23 100K R24 150K C13 47n MIC_LEFT_-

R55 0R+5V R56 1M

PIO11

R52 5.6K

C58 1n

B

SW7 POWER ON/OFF

Q2 R42 47K 3904 PIO1+5V R71 47K Q3 3904 TCHANGLED PIO0 A R43 47K Q1 3904

R44 330

LED2 Blue

+3.6V R46 220K 1% AIO0 R47 150K 1% BAT BAT 3.6V C35 4.7uF R48 NC SW3 ON/OF PIO9 D1 RED R49 C36 47K 100n

SW1+3.6V SW2 SW4

MIC_LEFT_+

VOL+ VOL-

PIO5 PIO4 PIO6+3.6V PIO7 PIO8 1 2 3 PIO11 VIN GND SHDN BYP VOUT 5 MIC_LEFT_MIC_RIGHT_C39 4.7uF 4 C38 10n U4 1 2 3+3.6V PIO9 XCS921(1.8V) IN LX AGND PGND/SHDN OUT 6 5 4

SW5

L4 10uH

F3 F4

R45 330 LED1 RED

SW6 PIO3

C41 5n6 C42 4

.7uF C43 4.7uF A

C37 4.7uF

U3 RT9167-2.7V

Title

BC3-MM 10 X 10 Source james.tsao@http://www.77cn.com.cn 8-Jun-2005 7 8 Revision 0.07

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ENQ: Date

+1.81V

+3.6V

F2