HF-LPS170 Wi-Fi&BLE User Manual
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)
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1.2.1.
HF-LPS170 Pins Definition
Figure 3.
HF-LPS170 Pins Map
Table2.
HF-LPS170 Pins Definition
Pin
Description
Net Name
Signal Type
Comments
1, 3, 20,
31, 33
,
36
Ground
GND
Power
2
RF_O
Analog
Antenna Signal
5
GPIO_8
IPD
3.3V Voltage
default 10K pull-down, Boot Select:
Low: boot from internal flash.
High: boot from external UART or
SDIO, firmware can be programmed
into internal flash via UART.
Due to internal 10K pull-down, add 1K
pull-up resistor if need set to High.