Hi-Link HLK-B20 User Manual - Page 5
Browse online or download pdf User Manual for Control Unit Hi-Link HLK-B20. Hi-Link HLK-B20 17 pages. Ble 4.2 wireless module
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2.3. Block diagram
UART
PWM
SPI
GPIO
I2C
ADC
2.4. Default pin function
No.
Network name
1
RSTN
2
P07
3
P14
4
P10
5
P11
6
P12
7
P13
8
3V3
9
P31
10
P32
11
P17
12
P16
13
P34
HLK-B20
Shenzhen Hi-Link Electronic Co., Ltd.
16MH
z
HLK-B20
RAM(20K)
HLK-B20 Module architecture diagram
Figure 2
Type
Function description
I
Chip enable, high efficiency
I/O
P07,SPI_NSS,PWM5
I/O
P14,PWM4
I/O
P10,PWM0
I/O
P11,PWM1
I/O
P12,PWM2
I/O
P13,PWM3
P
3.3V power supply
I/O
P31
I/O
P32
I/O
P17,uart2_rxd
I/O
P16, uart2_txd
I/O
P32
3.3V
Connector
CPU reset
GPIO,SPI,PWM
GPIO,PWM
GPIO,PWM
GPIO,PWM
GPIO,PWM
GPIO,PWM
Power
GPIO
GPIO
GPIO,uart2
GPIO,uart2
GPIO
Manual
1 IPEX
Default features
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