Data Sheet
Bluetooth 5.1 Dual Mode Module
Datasheet
info@bdecomm.com
BDE Technology Inc.
BDE-BDM209A
8 / 17
Pin #
Pin Name
Type
Reset
State
Description
9
P2.2
P2.2
DIO
OFF
General-purpose digital I/O with port
interrupt and wake-up capability and
with reconfigurable port mapping
secondary function. This I/O can be
configured for high drive operation with
up to 20-mA drive capability.
PM_UCA1RXD
DI
N/A
eUSCI_A1 UART RXD (direction
controlled by eUSCI – input)
PM_UCA1SOMI
DIO
N/A
eUSCI_A1 SPI slave out master in
(direction controlled by eUSCI)
10
AUD_FSYNC
DIO, 4 mA
PD
PCM frame sync, Fail-safe
11
AUD_OUT
DO, 4 mA
PD
PCM data output, Fail-safe
12
P3.0
DIO
OFF
General-purpose digital I/O with port
interrupt, wakeup, and glitch filtering
capability.
13
P1.7
P1.7
DIO
OFF
General-purpose digital I/O with port
interrupt and wake-up capability
UCB0SCL
N/A
I2C clock – eUSCI_B0 I2C mode
14
P1.6
P1.6
DIO
OFF
General-purpose digital I/O with port
interrupt and wake-up capability
UCB0SDA
N/A
I2C data – eUSCI_B0 I2C mode
15
P2.3
P2.3
DIO
OFF
General-purpose digital I/O with port
interrupt and wake-up capability and
with reconfigurable port mapping
secondary function. This I/O can be
configured for high drive operation with
up to 20-mA
drive capability.
PM_UCA1TXD
DO
N/A
eUSCI_A1 UART TXD (direction
controlled by eUSCI – output)
PM_UCA1SIMO
DIO
N/A
eUSCI_A1 SPI slave in master out
(direction controlled by eUSCI)
16
P4.0
P4.0
DIO
OFF
General-purpose digital I/O with port
interrupt and wake-up capability
A13
AI
N/A
ADC analog input A13
17
P2.0
P2.0
DIO
OFF
General-purpose digital I/O with port
interrupt and wake-up capability and
with reconfigurable port mapping
secondary function. This I/O can be
configured for high drive operation with
up to 20-mA drive capability.
PM_UCA1STE
N/A
eUSCI_A1 SPI slave transmit enable
(direction controlled by eUSCI)
18
P5.7
P5.7
DIO
OFF
General-purpose digital I/O with port
interrupt and wake-up capability
TA2.2
DIO
N/A
TA2 CCR2 capture: CCI2A input,
compare: Out2
VREF-
AO
N/A
Internal shared reference voltage