Data Sheet

BLM01 - Data she
et
Page 8 of 15
H
ynall Int
ell
igent Control Co., Ltd
No. Name I/O Description nRF52 pin Remarks
22 P0.06 I/O GPIO P0.06
23 P0.07 I/O GPIO P0.07
24 P0.08 I/O GPIO P0.08
25 P0.09 I/O GPIO/NFC1 P0.09 NFC pin 1 (defa
ult)
26 P0.10 I/O GPIO/NFC2 P0.10 NFC pin 2 (defa
ult)
27 P
0.
11 I
/O
G
P
IO P
0.
11
28 P0.12 I/O GPIO P0.12
29 GND Power Electrical Gr
ound
30 GND Power Electrical Gr
ound
31 P0.13 I/O GPIO P0.13
32 P
0.
14 I
/O
G
P
I
O
/
T
R
A
C
E
DATA[3]
P
0.
14
33 P0.15 I/O GPIO/TRACE
DATA[2]
P0.15
34 P0.16 I/O GPIO/TRACE
DATA[1]
P0.16
35 P0.17 I/O GPIO P0.17
36 P0.18 I/O GPIO/TRACEDAT
A[0]/SWO
P0.18
37 P0.19 I/O GPIO P0.19
38 P0.20 I/O GPIO/TRACEC
LK
P0.20
39 P0.21 I/O GPIO/RESET_N P0.21 May be used as ac
tive low reset input
40 P0.22 I/O GPIO P0.22 Use as low dri
ve, low frequency GPIO only
41 P0.23 I/O GPIO P0.23 Use as low dri
ve, low frequency GPIO only
42 P0.24 I/O GPIO P0.24 Use as low dri
ve, low frequency GPIO only
43 SWCLK I SWD Clock SWCLK
44 SWDIO I/O SWD IO SWDIO
45 GND Power Electrical Gr
ound
46 GND Power Electrical Gr
ound
47 GND Power Electrical Gr
ound
Table 2: BLM01 pin-out