HF-LPC3X0 Series Wi-Fi&BLE User Manual
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)
- 15 -
Pin
Describtion
Net Name
Signal
Type
Comments
12
PWM5
I/O
GPIO26, leave it open if not use
13
GPIO23
GPIO23
I/O
GPIO23, leave it open if not use
14
GPIO22
GPIO22
I/O
GPIO22, leave it open if not use
15
GPIO21
GPIO21
I/O
GPIO21, leave it open if not use
16
GPIO20
GPIO20
I/O
GPIO20, leave it open if not use
19
UART1
DEBUG_UART1_RX
I
3.3V TTL Debug UART1 Input
leave it open if not use
21
UART1
DEBUG_UART1_TX
O
3.3V TTL Debug UART1 Output
leave it open if not use
22
N.C
23
N.C
24
N.C
25
UART0
UART0_TX
O
3.3V TTL UART0 Output
26
PWM1
PWM1
I/O
GPIO7, leave it open if not use
27
UART0
UART0_RX
I
3.3V TTL UART0 Input
28
PWM0
PWM0
I/O
GPIO6, leave it open if not use
29
Wi-Fi Status
nLink
I/O
“0” – Wi-Fi connect to router
“1” – Wi-Fi unconncted;
Detailed functions see <Notes>
GPIO24, leave it open if not use
30
Module Boot Up
Indicator
nReady
I/O
“0” – Boot-up OK;
“1” – Boot-up No OK;
GPIO8, leave it open if not use
31
Multi-Function
nReload
I/O
Detailed functions see <Notes>
GPIO9, leave it open if not use
32
N.C
33
Module Reset
RESET
I,PU
“Low” effective reset input(>10ms).
There is RC reset circuit internally.
Leave it open if not use.
37
ANT
ANT
Antenna Pin, only for HF-
LPC300-2
HF-LPC300 module SOC chip integrate 2MB Flash, but it has additional postion for adding Flash,
the Flash postion is as following. This flash can be used for saving data using SDK.
Figure 4.
HF-LPC300-1(8M) Flash