User's Manual

HF-LPX70 Series Wi-Fi&BLE User Manual
1.2.1. HF-LPB170 Pins Definition
Figure 3. HF-LPB170 Pins
Map
Table2. HF
-LPB170 Pins Definition
Pin
Describtion
Net Name
Signal
Type
Comments
1,17,18,34
Ground
GND
Power
2, 3, 4,
5, 6, 7, 8
N.C
NoConnection
9,20
+3.3V Power
VDD
Power
10, 11, 12, 13,
14, 15, 16
N.C
19
UART1_RX
DEBUG_UART1_RX
I
3.3V TTL UART1 Debug Input
GPIO11
21
UART1_TX
DEBUG_UART1_TX
O
3.3V TTL UART1 Debug Output
GPIO17
22, 23 N.C
24 GPIO8 I/O
Boot Select, default
low,leave it unconnected.
Low: boot from flash.
High: boot from UART.
25
UART0
UART0_TX
O,PU
3.3V TTL UART0 Communication
Output
GPIO16
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