BT800 Hardware Integration Guide
Version 0.2
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www.lairdtech.com/bluetooth
10
CONN-GUIDE-BT800_v0_2
#
Pin Name
I/O
Supply
Domain
Description
17 N/C
-
-
This pin is reserved for future used.
No connection.
18 GND
GND
-
Ground
19
PCM_SYNC/
SPI_CS#/
PIO23
Bidirectional,
tri-state, with weak
internal pull-down
VDD_PADS
PCM synchronous data sync SPI
chip select, active low
Programmable input/output line
20
PCM_CLK/
SPI_CLK/
PIO24
Bidirectional,
tri-state, with weak
internal pull-down
VDD_PADS
PCM synchronous data clock
SPI clock
Programmable input/output line
21
PCM_IN/
SPI_MOSI/
PIO21
Input, tri-state, with
weak internal pull-
down
VDD_PADS
PCM synchronous data input
SPI data input
Programmable input/output line
22
PCM_OUT/
SPI_MISO/
PIO22
Output, tri-state, with
weak internal pull-
down
VDD_PADS
PCM synchronous data output
SPI data output
Programmable input/output line
23
PIO0/
WLAN_ACTIVE
Bidirectional,
tri-state, with weak
internal pull- down
VDD_PADS
Programmable input/output line
24 GND
GND
-
Ground
25
PIO1/
BT_PIRORITY
Bidirectional,
tri-state, with weak
internal pull- down
VDD_PADS
Programmable input/output line
26
PIO2/
BT_ACTIVE
Bidirectional,
tri-state, with weak
internal pull- down
VDD_PADS
Programmable input/output line
27 VDD_PADS
Power supply
(1.7V-3.6V)
Positive supply for digital I/O pads
28
PIO5
Bidirectional,
tri-state, with weak
internal pull- down
VDD_PADS
Programmable input/output line