High-Flying
HF-LPT120 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-LPT120 Pins Map
Table 2 HF-LPT120 Pins Definition
Pin
Description
Net Name
Signal
Type
Comments
1
Ground
GND
Power
2
+3.3V Power
DVDD
Power
3.3V@300mA
3
Restore
Configuration
nReload
I/O,PU
Can be configured as GPIO_2
Detailed functions see <Notes>
4
Module Reset EXT_RESETn
I,PU
―Low‖ effective reset input.
5
UART0
UART0_RX
I
GPIO_19
6
UART0
UART0_TX
O,PU
GPIO_20
7
GPIO_5
GPIO_5
I/O
Can be configured as UART0_RTS,
UART1_TXD,GPIO_5
8
GPI_6
GPIO_6
I/O
Can be configured as UART0_CTS,
UART1_RXD,GPIO_6
9
GPIO_3
nReady
I/O
Can be configured as nReady,GPIO
10
GPIO_15
nLink
I/O
Can be configured as nLink,GPIO
Detailed functions see <Notes>
I—Input, O—Output,PU—Internal Pullup Resistor
;
I/O: Digital I/O
;
Power—Power
<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.