User's Manual

BT860
Datasheet
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www.lairdtech.com/bluetooth
7
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Pin
No.
Pin Name I/O
Supply
Domain
Description If Unused
8 RESET Input 3V3 Active-low reset input N/A
9 3.3V Input 3V3
Module main DC power supply,
Input to internal 1.2V and 2.5V LDO
N/A
10 NC NC
11 GND GND Ground GND
12 GND GND Ground GND
13 GND GND Ground GND
14 GND GND Ground GND
15 GND GND Ground GND
16 GND GND Ground GND
17 RF
BT860-ST RF signal output (50Ω)
BT860-SA No connection
18 GND GND Ground GND
19 I2S_WS/PCM_SYNC Bidirectional 3V3 PCM sync/I2S word select NC
20 I2S_CLK/PCM_CLK Bidirectional 3V3 PCM/I2S clock NC
21 I2S_DI/PCM_IN Bidirectional 3V3 PCM/I2S data input NC
22 I2S_OUT/PCM_OUT Bidirectional 3V3 PCM/I2S data output NC
23 GND GND Ground GND
24 NC NC
25 BT_SECI_IN Input 3V3 Coexistence data input NC
26 BT_SECI_OUT Output 3V3 Coexistence data output NC
27 NC NC
28 NC NC
29 BT_HOST_WAKE Output 3V3 BT device to wake up the Host NC
30 GND GND Ground NC
Pin Definition Note:
Note 1
For to meet the pin alignment of BT830, there are a number of pins which must be put to NC (No
Connection) status.