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