User's Manual

BM90SPKA5MG7
Version: 1.01 - 5 - 6/26/2014
20 P ADAP_IN Power adaptor input
21 P BAT_IN Battery input
22 I/O SK1 Default SAR input for battery detection
23 P GND Ground
24 P SYS_PWR System Power Output
25 P BK_OUT Buck feedback sense pin
26 P MFB Multi-Function Push Button key
27 P LED1 LED Driver 1
28 P LED2 LED Driver 2
29 I/O P24
GPIO, default pull-high input
System Configuration, H: Boot Mode
30 I/O P02
GPIO, default pull-high input
PLAY/PAUSE button
31 I/O P05
GPIO, default pull-high input
Phone button
32 O HCI_TXD HCI TX data
33 I HXI_RXD HCI RX data
34 I/O P16
GPIO, default pull-high input
Volume down button
35 I/O P01
GPIO, default pull-high input
Volume up button
36 I/O P03 3
rd
LED
37 P GND Ground.