User's Manual

HF-LPD100 Low Power WiFi Module User Manual
Pin
Describtion
Net Name
Signal
Type
Comments
1,17,18
34,35,37
Ground GND Power
2
NC
3
GPIO00
GPIO00
I/O
PWM0
4
GPIO01
GPIO01
I/O
PWM1
5 USB+ HSDP I/O USB 2.0
6 USB- HSDN I/O USB 2.0
7
TEST
Test only. Leave it unconnected.
8
TEST
Test only. Leave it unconnected.
9,20
+3.3V
DVDD
Power
10
TEST
Test only. Leave it unconnected.
11
GPIO02
GPIO02
I/O
PWM2
12
GPIO04
GPIO04
I/O
PWM4
13
TEST
Test only. Leave it unconnected.
14
TEST
Test only. Leave it unconnected.
15 GPIO03 GPIO03 I/O PWM3
16 TEST Test only. Leave it unconnected.
19
NC
21
NC
22
GPIO11
GPIO11
I/O
23
GPIO05
GPIO05
I/O
24
GPIO09
GPIO09
I/O
25 UART0_TX UART0_TX O 3.3V TTL UART0 Output
GPIO07
26 UART1_TX
D
EBUG_UART1_TX I/O 3.3V TTL Debug UART1_TX
GPIO21, ADC1
27 UART0_RX UART0_RX I 3.3V TTL UART0 Input
GPIO06
28
UART1_RX
DEBUG_UART1_RX
I/O
3.3V TTL Debug UART1_RX
GPIO22, ADC0
29 Wi-Fi Status nLink IPD/O “0” – Wi-Fi connect to router
“1” – Wi-Fi unconncted;
Detailed functions see <Notes>
GPIO12
30
Module Boot Up
Indicator
nReady
IPU/O
“0” – Boot-up OK;
“1” – Boot-up No OK;
GPIO08
31
Multi-Function
nReload
IPU/O
Detailed functions see
<Notes> GPIO13
32
N.C
33
Module Reset
RESET
I,PU
“Low” effective reset input.
There is RC reset circuit
internally.
35,37
Ground
GND
Power
Only HF-LPD100-2 has this three
pin for antenna interface
36
ANT
High-Flying Electronics Technology Co., Ltd.(www.hi-flying.com)