User Manual

High-Flying
HF-LPB Low Power WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
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1.2. Hardware Introduction
1.2.1. Pins Definition
Figure 1. HF-LPT100 Pins Map
Table 2 HF-LPT100 Pins Definition
Pin
Description
Net Name
Signal
Type
Comments
1
Ground
GND
Power
2
+3.3V Power
DVDD
Power
3.3V@250mA
3
Restore
Configuration
nReload
I,PU
Detailed functions see <Notes>
4
Module Reset
EXT_RESETn
I,PU
“Low” effective reset input.
5
UART0
UART0_RX
I
GPIO5, No connect if not use.
6
UART0
UART0_TX
O
GPIO6, No connect if not use.
7
Power Control
Switch
PWR_SW
I,PU
“0” – Power Down Mode(Lowest Power
Consumption)
“1” – Normal mode
8
PWM Channel 3
PWM_3
I/O
Can be configured as WPS/GPIO18
No connect if not use.
9
PWM Channel 2
PWM_2
I/O
Can be configured as nReady/GPIO12.
No connect if not use.
10
PWM Channel 1
PWM_1
I/O
Can be configured as nLink/GPIO11.
Detailed functions see <Notes>
<Notes>
nReload Pin (Button) function：
1. When this pin is set to “low” during module boot up, the module will enter wireless
firmware and config upgrade mode. This mode is used for customer manufacture.
(High-Flying will provide software tools for customer batch configuration and
upgrade firmware during mass production)