Nuvoton NuMaker-M258KG, User Manual, Page: 30 / 54

NuMaker-M258KG
Jan. 15, 2022 Page 30 of 54 Rev 1.00
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COM2 T20 5H 5I T22 6J 6H 6I T24 7J 7H 7I
COM3 5E 5N 5K 6E 6M 6N 6K 7E 7M 7N 7K
COM4 T21 5D 5C T23 6L 6D 6C T25 7L 7D 7C
COM5 18A 19A T41 20A T40 21A T28 22A T27 23A T26
COM6 18F 19F 19B 20F 20B 21F 21B 22F 22B 23F 23B
COM7 18E 19E 19G 20E 20G 21E 21G 22E 22G 23E 23G
COM8 18D 19D 19C 20D 20C 21D 21C 22D 22C 23D 23C
Table 3-21 LCD Pin Mapping Table
3.12 Nu-Link2-Me
The Nu-Link2-Me is an attached on-board debugger and programmer. The Nu-Link2-Me supports on-
chip debugging, online and offline ICP programming through SWD interface. The Nu-Link2-Me also
supports virtual COM port (VCOM) for printing debug messages on PC. Besides, the programming
status could be shown on the built-in LEDs. Lastly, the Nu-Link2-Me could be detached from the
evaluation board and become a stand-alone mass production programmer. For more information about
Nu-Link2-Me, please refer to
Nu-Link2-Pro Debugger and Programmer User Manual .
3.12.1 VCOM Switches
Table 3-22 presents how to set the VCOM function by ICESW2.
ICESW2
Pin Function Description
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 3-22 VCOM Function of Nu-Link2-Me