Laird BT830-SA, Hardware Integration Manual

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BT830 Hardware Integration Guide
Version 1.3
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/bluetooth 9 Laird Technologies
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# Pin Name I/O
Supply
Domain
Description
If
Unused…
18 GND GND - Ground GND
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
*See
Note 1 .
NC
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
*See
Note 1 .
NC
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
*See
Note 1 .
NC
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
*See
Note 1 .
NC
23 GND GND - Ground GND
24
PIO0/
32K_CLK_IN
Bidirectional,
tri-state, with
weak internal pull-
down
VDD_PADS
Programmable input/output line and
32kHz sleep clock input
NC
25
PIO1/
BT_ACTIVE
Bidirectional,
tri-state, with
weak internal pull-
down
VDD_PADS
Programmable input/output line;
Wi-Fi and BT 3-wire coexistance
NC
26
PIO9/
BT_PRIORITY
Bidirectional,
tri-state, with
weak internal pull-
down
VDD_PADS
Programmable input/output line;
Wi-Fi and BT 3-wire coexistance
NC
27
PIO4/
WLAN_ACTIVE
Bidirectional,
tri-state, with
weak internal pull-
down
VDD_PADS
Programmable input/output line;
Wi-Fi and BT 3-wire coexistance
NC
28 SPI_PCM#_SEL
Input with weak
internal pull-down
VDD_PADS
Control line to select SPI or PCM
interface, high = SPI, low = PCM
*See
Note 1 .
NC
29
PIO3/
Host Wake up
Bidirectional,
tri-state, with
weak internal pull-
down
VDD_PADS
Programmable input/output line;
Host wake up from BT, active High.
NC
30 GND GND - Ground GND
Note 1: The purpose of the SPI interface is to access the module’s inner settings such as selecting different WLAN
CO-EXIST scheme. The SPI interface can also be used to put the module in RF test mode. You cannot use
module over the SPI interface for normal operation as the main host interface.