NuMaker-M483KG
May.
10, 2019
Page
23
of 40
Rev 1.00
N
UMA
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2.5.12 Push-Buttons
Table 2-18 presents the push-buttons.
Component
Comment
ICESW1
Off-line program button to start off-line programming the target chip.
SW1
Reset button to reset the target chip.
SW3
GPIO input button for PG.15.
SW4
GPIO input button for PG.14.
Table 2-18 Push-Buttons
2.5.13 LEDs
Table 2-19 presents the LEDs.
Component
Comment
Power LED
The power LED indicates that the NuMaker-M483KG is powered.
PH4 LED
The LED is connected to the target chip PH.4.
PH5 LED
The LED is connected to the target chip PH.5.
PH6 LED
The LED is connected to the target chip PH.6.
SD_POWER
The power LED indicates that the SD slot is powered.
ICES0, ICES1, ICES2
and ICES3
Nu-Link2-Me status LED.
Table 2-19 LEDs
Nu-Link2-Me
2.6
The Nu-Link2-Me is a debugger and programmer that supports on-line programming and debugging
through SWD interface. The on-board 16 Mbit SPI Flash allows it to off-line program the target
microcontroller. Additionally, the Nu-Link2-Me provides virtual COM port (VCOM) function to print out
messages on PC. Table 2-20 presents how to set the VCOM function by ICESW2.
ICESW2
Pin
Function
Comment
1
TXD
On
: Connect target chip PB.13 (UART0_TXD) to Nu-Link2-Me.
Off
: Disconnect target chip PB.13 (UART0_TXD) to Nu-Link2-Me.
2
RXD
On
: Connect target chip PB.12 (UART0_RXD) to Nu-Link2-Me.
Off
: Disconnect target chip PB.12 (UART0_RXD) to Nu-Link2-Me.
Note:
Pin 3 and 4 is unused.
Table 2-20 VCOM Function of Nu-Link2-Me
