Schematics

FCC ID: SF4-H900

Schematics

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FCCID_1802081

+1V5 L4 15nH MIC_BIAS V_BUS V_BAT +1V8 V_BAT MIC2 +1V8 L3 MIC_BIAS R3 15nH 2R2 C8 C11 C12 SW1 R2 C10 ON/OFF R4 C7 C9 2U2 2u2 4u7 MIC1 L2 2K2 0R 22nF 2.2UF L1 15nH C4 C5 2u2 22uH R1 R5 C1 2K2 10K 100n 100n 100n 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 SPK1 - 1 U1 + 2 VDD-BUCK-CORE VDD-AUDIO VREG-L-AUDIO VDD-CHG VREGENABLE-H MIC-B-N MIC-A-P BAT-P LX MIC-B-P MIC-BIAS NC NC NC NC NC NC C6 MIC_BIAS 52 MIC-A-N SW3 R6 100n 53 +1V8 NC VDD_CORE VOL+ 10K 54 NC VDD-CORE 34 C15 55 LED1 BLUE AU-REF-DCPL V_BAT SW2 LED(1) 33 R8 470R R7 47n R9 1K RED VOL- 10K LED(0) 32 V_BAT 56 SPKR-A-N LED0 +1V5 57 31 SPKR-A-P SPI-MISO SPI_MISO SPI-CSB 30 SPI_CSB 58 PIO(3) SPI-CLK 29 SPI_CLK L5 59 PIO(2) SPI-MOSI 28 SPI_MOSI 15nH 60 PIO(1) +1V8 62 VDD-PIO A1 TEST-EN 27 3 8 7 ANT 2402~2480MHz C13 +1V5 63 26 VDD-RADIO RST# 15p GND GND NC PIO(4) 25 2 DC BALANCED 6 64 24 Q1 C17 RF-P PIO(5) R11 C16 V_BUS 1 UNBALANCED BALANCED 4 65 RF-N PIO(6) 23 SCL 47K GND 3904 1u 0R PIO(7) 22 SDA L6 TE1 +1V5 66 VDD-RADIO 220K 8.2NH T1 RFB2012 PIO(8) 21 WP R10 * C2 5 15p 67 VDD-LO PI0(14) 20 +1V5 PIO(13) 19 PIO(12) 18 C3 68 VREGENABLE-L 15p VDD-UART VDD-CORE VDD-PADS XTAL-OUT UART-CTS UART-RTS VREGIN-L VDD-ANA UART-RX UART-TX XTAL-IN LO-REF +1V8 PIO(11) AIO(1) AIO(0) PIO(9) +1V8 NC C18 100n * R15 +1V5 1 2 3 4 5 6 7 8 9 UART-TX 10 11 12 13 14 15 16 17 R12 R13 R14 2R2 +1V8 UART-RX U2 2.2K 2.2K 2.2K 1 A0 VCC 8 Y1 16MHz C19 C22 C24 2 7 22n VDD CORE A1 WP WP 22n C20 3 6 C21 C23 ARD-SS-001A053-03 A2 SCL SCL 3.3P 10P 22n ＢＣ６１５０Ａ０８Ｕ 4 GND SDA 5 SDA Ｈ９００Ｄ双咪蓝牙耳机 AT24C32 +1V5 +1V8 原理图


Document Created: 2012-09-24 16:40:39
Document Modified: 2012-09-24 16:40:39
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