BT830 Hardware Integration Guide
Version 0.1 (PRELIMINARY)
Americas: +1-800-492-2320 Option 2
Europe: +44-1628-858-940
Hong Kong: +852-2923-0610
www.lairdtech.com/bluetooth
7
CONN-GUIDE-BT830
(PRELIMINARY)
5
P
IN
D
EFINITIONS
Table 2: BT830 pin definitions
#
Pin Name
I/O
Supply Domain Description
1
VDD_PADS
Power supply
(1.7V-3.6V)
Positive supply for digital I/O pads
2
GND
GND
-
Ground
3
UART_RTS
Bidirectional, tristate,
with weak internal
pullup
VDD_PADS
UART data output, active high
4
UART_TX
Bidirectional, tristate,
with weak internal
pullup
VDD_PADS
UART data input, active high
5
UART_CTS
Bidirectional, tristate,
with weak internal
pullup
VDD_PADS
UART clear to send, active low
6
UART_RX
Bidirectional, tristate,
with weak internal
pullup
VDD_PADS
UART request to send, active low
7
GND
GND
-
Ground
8
VREG_EN_RST#
Input with strong
internal pull-down
VDD_PADS
Take high to enable internal
regulators. Also acts as active low
reset. Maximum voltage is VDD_PADS.
9
VREG_IN_HV
Analogue regulator
input
3.3V
Input to internal high-voltage regulator
10
VREG_OUT_HV
Analogue regulator
input/output
1.8V
Output from internal high-voltage
regulator and input to low-voltage
internal regulators.
11
GND
GND
-
Ground
12
GND
GND
-
Ground
13
GND
GND
-
Ground
14
GND
GND
-
Ground
15
GND
GND
-
Ground
16
GND
GND
-
Ground
17
RF
RF signal out (50 ohm) for BT830-ST
version only.
Not connection for BT830-SA.
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
*See