HF-LPT220 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
HF-LPT220 Pins Map
Table 2 HF-LPT220 Pins Definition
Pin
Describtion
Net Name Signal Type
Comments
1
N.C
No connect
2
N.C
No connect
3
N.C
No connect
4
PWM/GPIO
GPIO_8
I/O,PU
GPIO_8
5
UART0
UART0_TX
O,PU
GPIO_20
6
UART0
UART0_RX
I
GPIO_19
7
UART0
UART0_CTS
I/O
GPIO6/UART1_RXD
UART1 Debug Information Input
8
UART0
UART0_RTS
I/O
GPIO5/UART1_TXD
UART1 Debug Information Output
9
GPIO
GPIO_1
I/O,PU
GPIO1
10
Module Reset
EXT_RESETn
I,PU
“Low” effective reset input.
11 Module Boot Up Indicator
nReady
O
“0” – Boot-up OK;
“1” – Boot-up No OK;
GPIO_3
12
Multi-Function
nReload
I,PU
Detailed functions see <Notes>
GPIO_2
13
Wi-Fi Status
nLink
O
“0” – Wi-Fi connect to router
“1” – Wi-Fi unconncted;
Detailed functions see <Notes>
GPIO_15
14
GPIO18
GPIO18
I/O
GPIO_18
15
+3.3V Power
DVDD
Power
16
Ground
GND
Power
17 2.4GHz Antenna PAD
Ant_2.4G
O
50ohm Impendence