Data Sheet

BB820 Copyright © 2022 Best of Best Holdings
11
P0.01
Options for External 32.768KHz Crystal / Digital I/O
12
P0.05
Analog input / Digital I/O
13
P0.16
Digital I/O(Standard drive, <4mA & low frequency,<10KHz)
14
D-
USB D-
15
D+
USB D+
16
VBUS
USB VBUS input，4.35-5.5V
17
P0.06
Digital I/O
18
P0.07
Digital I/O
19
P0.14
Digital I/O
20
P0.17
Digital I/O(Standard drive, <4mA & low frequency,<10KHz)
21
P0.15
Digital I/O
22
P0.20
Digital I/O
23
P0.18/nRESET
Reset mode default(soft reset,active low)
[Note]①
Digital I/O
24
SWCLK
Serial wire debug clock input for debug and programming
25
SWDIO
Serial wire debug I/O for debug and programming
①
The nRESET pin of BB820 can be used according to the product requirements.