Data Sheet

BDE-BLEM301
Bluetooth 5.1 LE Module
Datasheet
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BDE Technology Inc.
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3. Pinout
Figure 2: Pinout Diagram Top View
Note that, J1 has no internal connection and for this reason presents a difference pad shape. It was used
ONLY for providing RF signal for certification purposes.
Table 1: Pin Description
Pin #
Pin Name
Type
Reset State
Description
J1
GND
GND
Ground
J2
GND
GND
Ground
J3
GND
GND
Ground
J4
GND
GND
Ground
J5
P0_6
DIO
(Type A)
Note
1
I-PD
INPUT/OUTPUT with selectable pull up/down
resistors. Pull-down enabled during and after
reset. General purpose I/O port bit or
alternate function nodes. Contains state
retention mechanism during power down.
J6
GND
GND
Ground
J7
VBAT
PWR
INPUT. Battery connection. IO supply.
J8
P0_11
DIO
(Type A)
I-PD
INPUT/OUTPUT with selectable pull up/down
resistors. Pull-down enabled during and after
reset. General purpose I/O port bit or
alternate function nodes. Contains state
retention mechanism during power down.
1
There are two types of pads, namely Type A and Type B. Type A is a normal IO pad with a Schmitt trigger on input
while Type B has an extra RC Filter with a cutoff frequency of 100 kHz.