HF-LPB Low Power WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
- 11 -
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
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.