User's Manual

HF-LPT220 Low Power WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com) - 13 -
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 “Loweffective 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