SOYO BT24G03, User Manual

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Soyo Technology Co. Bluetooth Module SOYO-BT24G03
Keypad
20 GPIO_17/KEYOU
T1
GPIO, no External Interrupt
，
Compound
Matrix Keypad
21 GND Ground
22 GND Ground
23 VBAT Module Power Supply 3.4-4.2V
24 AU_RCV_P Audio Diferential Input Positive
25 AU_RCV_N Audio Diferential Input Negative
26 CHG_IN
Internal Charging
（
Need External
Expanding
）
27 KEYIN_N Matrix port In
28 KEYIN_P ADC Keypad
29 KEYIN_SEN ADC Keypad
30 GP_ADC_IN_0 ADC Keypad(Reservation)
31 LINE_DECT
GPIO/Default LINE Detection
，
External
Interrupt
，
Compound Matrix Keypad
32 LINE_IN_L Line In Left
33 LINE_IN_R Line In Right
34 AU_HPL Audio Single Track Left
35 AU_HPR Audio Single Track Right
36 AU_MIC_N MIC Input Negative
37 AU_MIC_P MIC Input Positive
38 AGND Analog Ground
39 FM_ANT FM Antenna
40 GND Ground
41 USB_DM USB DATA-
42 USB_DP USB DATA+
43 I2S_BCK Serial Clock
44 I2S_IN Audio Data Input
45 I2S_DOUT Audio Data Output
46 I2S_LRCK Flame Clock
47 HST_TXD DEBUG
48 HST_RXD DEBUG
49 GND Ground
50 BT_ANT Bluetooth Antenna
51 I2C2_SDA I2C Data
52 I2C2_SCL I2C Clock
53 BBPLL_TEST
Clock Output Testing
（
For I2S Main
Clock
）
6. Key Function Description
6.1.1 Module Power up
（
Starting up at 3.7-4.2V or USB
power up
）
6.1.2 PWRKEY
Press PWR KEY to power on, get in Bluetooth mode by
default and hear the Bluetooth Indicating Voice.
4