HF-LPX70 SeriesWi-Fi&BLE User Manual
1.2.1. HF-LPT270
Pins Definition
Figure
3
. HF-LPT270 Pins Map
Table2. HF-LPT270 Pins Definition
Pin Describtion
Net Name
Signal
Type
Comments
1
UART1_TX
DEBUG_UART1_TX
O
3.3V TTL UART1 Debug Output
GPIO17
2
UART1_RX DEBUG_UART1_RX
I
3.3V TTL UART1 Debug Input
GPIO11
3
GPIO12
GPIO12
I/O
GPIO12
4
GPIO14
GPIO14
I/O
GPIO14
5
UART0
UART0_TX
O,PU 3.3V TTL UART0 Communication Output
GPIO16
6
UART0
UART0_RX
I
3.3V TTL UART0 Communication Input
GPIO7
7
GPIO8
I/O
BootSelect, default low,leaveitunconnected.
Low: boot from flash.
High: boot from UART.
8
NC
9
NC
10 Module Reset
RESET
I,PU
“Low” effective reset input. There is RC
reset circuit internally. Noneedof external
RC reset circuit.
11 Module Boot
Up Indicator
nReady
O
“0” – Boot-up OK;
“1” – Boot-up Fail;
GPIO4, PWM2
12 Multi-Function
nReload
I,PU
Detailed functions see <Notes>
GPIO3, PWM3
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)
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