User's Manual

BSM-700 Specification Page 6/31 2014/03/31
LTC Network Access Confidential
10 PIO_14 Programmable input / output line
Bidirectional with weak
pull-down
11 PIO_10 Programmable input / output line
Bidirectional with weak
pull-down
12 PIO_1 Programmable input / output line
Bidirectional with weak
pull-down
13 PIO_4 Programmable input / output line
Bidirectional with weak
pull-down
14 PIO_15 Programmable input / output line
Bidire
ctional with weak
pull-down
15 PIO_11 Programmable input / output line
Bidirectional with weak
pull-down
16 PIO_5 Programmable input / output line
Bidirectional with weak
pull-down
17 LED_1 LED driver[1] Open drain
18 PIO_7_I2C_SDA Programmable input / output line
Bidirectional with weak
pull-down
19 GND Ground
20 1V8 External 3.3V enable control Output
21 GND Ground
22 VDDIO Positive supply for I/O Power input
23 GND Ground
24 3V3 Positive supply for USB ports Power input
25 GND Ground
26 VBAT Battery positive terminal Power input
27 GND Ground
28 USB_5V Battery charger input Power input
29 GND Ground
30 VREGENABLE Regulator enable input for system on Input
31 MIC_IN_LN Microphone input negative, left Analogue in
32 MIC_IN_LP Microphone input positive, left Analogue in
33 MIC_BIAS_A Microphone bias A Analogue out
34 MIC_IN_RN Microphone input negative, right Analogue in
35 MIC_IN_RP Microphone input positive, right Analogue in
36 MIC_BIAS_B Microphone bias B Analogue out
37 BT_SPKR_RN Speaker output negative, right Analogue out
38 BT_SPKR_RP Speaker output positive, right Analogue out
39 BT_SPKR_LN Speaker output negative, left Analogue out
40 BT_SPKR_LP Speaker output positive, left Analogue out