Shenzhen Ogemray Technology Co. Ltd KM26 Manuale Utente
To control LED brightness by adjusting resistance value of R8.
Note: If the LED is in semi-bright for a long time, please try to reset.
Note: If the LED is in semi-bright for a long time, please try to reset.
2.3 UART
Table 2- 1 UART pin definition
GWF-KM26 default configuration
10 pin for UART RXD
11 pin for UART TXD
Hyper terminal, Tera or Secure CRT can be regarded as communication tools for UART interface debug.
The UART setting is 115200; 8-N-1.
The following figure is a reference design selection.
10 pin for UART RXD
11 pin for UART TXD
Hyper terminal, Tera or Secure CRT can be regarded as communication tools for UART interface debug.
The UART setting is 115200; 8-N-1.
The following figure is a reference design selection.
2.4 Design requirement of practical application
2.4.1 Reset Sequence
KM26 need to reset external reset signal (Active Low ),external reset sequence as shown in the figure below:
UART interface
Pin
Pin name
I/O
Instruction
10
RXD
I
UART_RXD(UART Receive Data)
11
TXD
O
UART_TXD (UART Transmit Data)
Figure 2- 3 LED reference design
Figure 2- 4 UART reference design