Data Sheet

BMD-345 - Data sheet
UBX-19039908 - R07 Pin definition Page 10 of 36
No.
Name
I/O
Description
nRF52 pin
Remarks
24
P0.08
I/O
GPIO
P0.08
25
P0.09
I/O
GPIO/NFC1
P0.09
Standard drive, low frequency I/O only (<10 kHz)
26
P0.10
I/O
GPIO/NFC2
P0.10
Standard drive, low frequency I/O only (<10 kHz)
27
P0.11
I/O
GPIO/TRACEDATA[2]
P0.11
28
P0.12
I/O
GPIO/TRACEDATA[1]
P0.12
29
GND
Power
Electrical Ground
30
GND
Power
Electrical Ground
31
P0.13
I/O
GPIO
P0.13
32
P0.14
I/O
GPIO
P0.14
33
P0.15
I/O
GPIO
P0.15
34
P0.16
I/O
GPIO
P0.16
35
P0.17
I/O
GPIO
P0.17
36
P0.21
I/O
GPIO
P0.21
37
P0.19
I/O
GPIO
P0.19
38
P0.20
I/O
GPIO
P0.20
39
P0.18
I/O
GPIO/RESET
P0.18
40
P0.22
I/O
GPIO
P0.22
41
P0.23
I/O
GPIO
P0.23
42
P0.24
I/O
GPIO
P0.24
43
SWCLK
I
SWD Clock
SWCLK
44
SWDIO
I/O
SWD IO
SWDIO
45
GND
Power
Electrical Ground
46
GND
Power
Electrical Ground
47
GND
Power
Electrical Ground
48
TX_EN
O
PA TX Enable
P1.05
Internally connected to PA / LNA TX_EN pin
49
RX_EN
O
PA RX Enable
P1.06
Internally connected to PA / LNA RX_EN pin
50
P1.07
I/O
GPIO
P1.07
Standard drive, low frequency I/O only (<10 kHz)
51
P1.08
I/O
GPIO
P1.08
52
P1.09
I/O
GPIO/TRACEDATA[3]
P1.09
53
P1.10
I/O
GPIO
P1.10
Standard drive, low frequency I/O only (<10 kHz)
54
P1.11
I/O
GPIO
P1.11
Standard drive, low frequency I/O only (<10 kHz)
55
GND
Power
Electrical Ground
56
P1.00
I/O
GPIO/TRACEDATA[0]/SWO
P1.00
57
P1.01
I/O
GPIO
P1.01
Standard drive, low frequency I/O only (<10 kHz)
58
PA_SW
O
PA Switch
P1.02
Internally connected to PA / LNA RF Switch pin
59
P1.03
I/O
GPIO
P1.03
Standard drive, low frequency I/O only (<10 kHz)
60
PA_MODE
O
GPIO
P1.04
Internally connected to PA / LNA Mode pin
61
P1.12
I/O
GPIO
P1.12
Standard drive, low frequency I/O only (<10 kHz)
62
P1.13
I/O
GPIO
P1.13
Standard drive, low frequency I/O only (<10 kHz)
63
P1.14
I/O
GPIO
P1.14
Standard drive, low frequency I/O only (<10 kHz)
64
P1.15
I/O
GPIO
P1.15
Standard drive, low frequency I/O only (<10 kHz)
65
VCC
Power I/O
Connect to 2.0 V to 3.6 V DC
supply
VDD/VDDH
An internal 4.7 µF bulk capacitor is included on
the module. However, it is good design practice
to add additional bulk capacitance as required
for your application, i.e. those with heavy GPIO
usage and/or current draw.