User's Manual

HF-LPB Low Power WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
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6
N.C No connect
7 RTC Input 1 ALARM1 I.PD GPIO7, Sleep_RQ Pin
8 RTC Output 1 RTC_OUT1 O GPIO8, Sleep_ON Pin
9 +3.3V Power DVDD Power
10 N.C No connect
11 A/D Input 1 ADC1 I/O,PD GPIO11, No connect if not use.
12 A/D Input 2 ADC2 I/O,PD GPIO12, No connect if not use.
13 RTC Input 2 ALARM2 I,PD GPIO13, No connect if not use.
14 N.C No connect
15 N.C No connect
16 USB 5V Detect USB_PIO I/O GPIO16, No connect if not use.
18 N.C No connect
19 N.C No connect
20 GPIO GPIO20 I/O,PD GPIO20, No connect if not use.
21 USB Interface USB- I/O 90 ohm Diff. Line
22 USB Interface USB+ I/O 90 ohm Diff. Line
23 PWM Output0+ PWMH0 O GPIO23, No connect if not use.
24 PWM Output0- PWML0 O GPIO24, No connect if not use.
25 N.C No connect
26 GPIO GPIO26 I/O,PD GPIO26, No connect if not use.
27 SPI Interface SPI_MISO I/O, PU No connect if not use.
28 SPI Interface SPI_CLK I/O, PU No connect if not use.
29 SPI Interface SPI_CS I/O,PU No connect if not use.
30 SPI Interface SPI_MOSI I/O.PD No connect if not use.
31 +3.3V Power DVDD Power
33 N.C No connect
34 +3.3 Power DVDD Power
35 GPIO GPIO35 I/O,PD GPIO35, WPS functional pin
36 N.C No connect
37 N.C No connect
38 N.C No connect
39 UART0 UART0_TX O, PD UART Communication Pin
40 UART0 UART0_RTS I/O,PD UART Communication Pin
41 UART0 UART0_RX I,PD UART Communication Pin
42 UART0 UART0_CTS I/O, PD UART Communication Pin
43 Wi-Fi Status nLink O,PU “0”- Wi-Fi Linked
“1”- No WIFI Linked
No connect if not use.
44 Module Boot Up
Indicator
nReady O,PU “0” – Boot-up OK;
“1” – Boot-up No OK;
No connect if not use.;
45 Restore
Configuration
nReload I,PU Module will restore factory
default after set this pin “0” more
than 1s, then set “1”.
No connect if not use;
46 PWM Fault Input0 PWMFI0 GPIO46, No connect if not use.
47 Module Reset EXT_RESETn I,PU “Low” effective reset input.