Nuvoton M2L31

The Nuvoton M2L31 devices are Cortex-M23 based microcontrollers.

Supported devices

Refer to the supported device list for a full list of all supported M2L31 family devices, their corresponding names and connection diagrams.

Target interfaces

Interface	J-Link support	Flasher support
SWD

Flash banks

M2L31xI

Flash bank	Base address	J-Link support	Flasher support	Loader
				Name	Bank size
APROM+LDROM	0x00000000			Default	520 KB
User Configuration	0x0F300000			Default	256 B

M2L31xG

Flash bank	Base address	J-Link support	Flasher support	Loader
				Name	Bank size
APROM+LDROM	0x00000000			Default	264 KB
User Configuration	0x0F300000			Default	256 B

M2L31xE

Flash bank	Base address	J-Link support	Flasher support	Loader
				Name	Bank size
APROM+LDROM	0x00000000			Default	136 KB
User Configuration	0x0F300000			Default	256 B

M2L31xD

Flash bank	Base address	J-Link support	Flasher support	Loader
				Name	Bank size
APROM+LDROM	0x00000000			Default	72 KB
User Configuration	0x0F300000			Default	256 B

Watchdog handling

• The device has two watchdogs: WDT and WWDT.
• The watchdogs are fed during flash programming.

Device specific handling

Reset

• The device uses normal Cortex-M reset, no special handling necessary, like described here.

Attach

Attach is a debugging feature which exclusively applies to J-Link and J-Trace and does not apply to Flasher.

• Attach is supported / desired

Evaluation boards

• Nuvoton NuMaker-M2L31SG

Example application

• Nuvoton NuMaker-M2L31SG