SYS_PDID (PDID)

SYS_REGLCTL (REGLCTL)

SYS_OSCTRIM (OSCTRIM)

SYS_OSC10K (OSC10K)

SYS_OSC_TRIMn (OSC_TRIMn)

SYS_BODCTL (BODCTL)

SYS_GPA_MFP (GPA_MFP)

SYS_GPB_MFP (GPB_MFP)

SYS_ICE_MFP (ICE_MFP)

SYS_RSTSTS (RSTSTS)

SYS_GPIO_INTP (GPIO_INTP)

SYS_GPA_PULL (GPA_PULL)

SYS_GPA_IEN (GPA_IEN)

SYS_GPB_PULL (GPB_PULL)

SYS_GPB_IEN (GPB_IEN)

SYS_IPRST0 (IPRST0)

SYS_IPRST1 (IPRST1)

SYS_IMGMAP3 (IMGMAP3)

SYS_DEVICEID (DEVICEID)

SYS_IMGMAP0 (IMGMAP0)

SYS_IMGMAP1 (IMGMAP1)

IMG2 : Product Identifier Data in MAP2 of information block are copied to this register after power on. MAP2 is used to store part number defined by Nuvoton.
bits : 0 - 15 (16 bit)
access : read-only

OSC10K_TRIM : 23bit trim for 10kHz oscillator.
bits : 0 - 22 (23 bit)
access : read-write

TRM_CLK : Must be toggled to load a new OSC10K_TRIM
bits : 31 - 31 (1 bit)
access : read-write

TRIM : 16bit sign extended representation of 10bit trim. OSC_TRIM[0] maps to above-mentioned OSCTRIM. OSC_TRIM[1] and OSC_TRIM[2] are reserved.
bits : 0 - 15 (16 bit)
access : read-write

EN2MHZ : 1: Low Frequency mode of oscillator active (2MHz). 0: High frequency mode (20-50MHz)
bits : 31 - 31 (1 bit)
access : read-write

BOD_EN : Brown-Out Detector Enable (Initialized and Protected Bit) The default value is set by flash controller as inverse of user configuration CBODEN bit (config0 [20]).
bits : 0 - 0 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

BOD_RSTEN : Brown-Out Detector Reset or Interrupt Bit (Initialized and Protected Bit) The default value is set by flash controller as inverse of user configuration CBORST bit (config0 [21]). When the BOD is enabled and the interrupt is asserted, the interrupt will be kept till the BOD is disabled. The interrupt for CPU can be blocked either by disabling the interrupt in the NVIC or by disabling the interrupt source by disabling the BOD. BOD can then be re-enabled as required.
bits : 1 - 1 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

BOD_LVL : Brown-Out Detector Threshold Voltage Selection (Initialized and Protected Bit)
bits : 2 - 5 (4 bit)
access : read-write

BOD_HYS : Brown-Out Detector Hysteresis (Initialized and Protected Bit) The default value is set by flash controller user configuration CBOV[4] bit (config0 [26]).
bits : 6 - 6 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

BOD_OUT : Brown-Out Detector Output State
bits : 7 - 7 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

BOD_INT : Brown-Out Detector Interrupt
bits : 8 - 8 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

LVR_EN : Low Voltage Reset (LVR) Enable (Initialized and Protected Bit) The LVR function resets the chip when the input power voltage is lower than LVR trip point. Default value is set by flash controller as inverse of CLVR (config0 [27]).
bits : 16 - 16 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

LVR_FILTER : Default value is 00
bits : 17 - 18 (2 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PA0MFP : PA.0 Multi-function Pin Selection
bits : 0 - 1 (2 bit)
access : read-write

PA1MFP : PA.1 Multi-function Pin Selection
bits : 2 - 3 (2 bit)
access : read-write

PA2MFP : PA.2 Multi-function Pin Selection
bits : 4 - 5 (2 bit)
access : read-write

PA3MFP : PA.3 Multi-function Pin Selection
bits : 6 - 7 (2 bit)
access : read-write

PA4MFP : PA.4 Multi-function Pin Selection
bits : 8 - 9 (2 bit)
access : read-write

PA5MFP : PA.5 Multi-function Pin Selection
bits : 10 - 11 (2 bit)
access : read-write

PA6MFP : PA.6 Multi-function Pin Selection
bits : 12 - 13 (2 bit)
access : read-write

PA7MFP : PA.7 Multi-function Pin Selection
bits : 14 - 15 (2 bit)
access : read-write

PA8MFP : PA.8 Multi-function Pin Selection
bits : 16 - 17 (2 bit)
access : read-write

PA9MFP : PA.9 Multi-function Pin Selection
bits : 18 - 19 (2 bit)
access : read-write

PA10MFP : PA.10 Multi-function Pin Selection
bits : 20 - 21 (2 bit)
access : read-write

PA11MFP : PA.11 Multi-function Pin Selection
bits : 22 - 23 (2 bit)
access : read-write

PA12MFP : PA.12 Multi-function Pin Selection
bits : 24 - 25 (2 bit)
access : read-write

PA13MFP : PA.13 Multi-function Pin Selection
bits : 26 - 27 (2 bit)
access : read-write

PA14MFP : PA.14 Multi-function Pin Selection
bits : 28 - 29 (2 bit)
access : read-write

PA15MFP : PA.15 Multi-function Pin Selection
bits : 30 - 31 (2 bit)
access : read-write

PB0MFP : PB.0 Multi-function Pin Selection
bits : 0 - 1 (2 bit)
access : read-write

PB1MFP : PB.1 Multi-function Pin Selection
bits : 2 - 3 (2 bit)
access : read-write

PB2MFP : PB.2 Multi-function Pin Selection
bits : 4 - 5 (2 bit)
access : read-write

PB3MFP : PB.3 Multi-function Pin Selection
bits : 6 - 7 (2 bit)
access : read-write

PB4MFP : PB.4 Multi-function Pin Selection
bits : 8 - 9 (2 bit)
access : read-write

PB5MFP : PB.5 Multi-function Pin Selection
bits : 10 - 11 (2 bit)
access : read-write

ICE_EN : This bit will set ICE_CLK and ICE_DAT pins to be serial debug wires or PA.6/7
bits : 0 - 0 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PORF : POR Reset Flag The POR reset flag is set by the Reset Signal from the Power-on Reset (POR) Controller to indicate the previous reset source. Note: Write 1 to clear this bit to 0.
bits : 0 - 0 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PINRF : RESETB Pin Reset Flag The RESETB pin reset flag is set by the Reset Signal from the RESETB Pin to indicate the previous reset source. Note: Write 1 to clear this bit to 0.
bits : 1 - 1 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

WDTRF : Reset Source From WDG The WDTRF flag is set if pervious reset source originates from the Watch-Dog module. Note: Write 1 to clear this bit to 0.
bits : 2 - 2 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

LVRF : LVR Reset Flag The LVR reset flag is set by the Reset Signal from the Low Voltage Reset Controller to indicate the previous reset source. Note: Write 1 to clear this bit to 0.
bits : 3 - 3 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

BOD : BOD Reset Flag The BOD reset flag is set by the Reset Signal from the Brown Out Reset Controller to indicate the previous reset source. Note: Write 1 to clear this bit to 0.
bits : 4 - 4 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PMURSTF : Reset Source From PMU The PMURSTF flag is set by the reset signal from the PMU module to indicate the previous reset source. Note: Write 1 to clear this bit to 0.
bits : 6 - 6 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PIN_WK : Wakeup from DPD From PIN The device was woken from Deep Power Down by a low transition on the WAKEUP in or RESETB pin. Note: Write 1 to this register to clear all wakeup flags.
bits : 8 - 8 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

TIM_WK : Wakeup from DPD From TIMER The device was woken from Deep Power Down by count of 10kHz timer.
bits : 9 - 9 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

POR_WK : Wakeup from DPD From POR The device was woken from Deep Power Down by a Power On Reset.
bits : 10 - 10 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN0 : This function only for the GPIO pin as an INPUT mode.
bits : 0 - 0 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN1 : This function only for the GPIO pin as an INPUT mode.
bits : 1 - 1 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN2 : This function only for the GPIO pin as an INPUT mode.
bits : 2 - 2 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN3 : This function only for the GPIO pin as an INPUT mode.
bits : 3 - 3 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN4 : This function only for the GPIO pin as an INPUT mode.
bits : 4 - 4 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN5 : This function only for the GPIO pin as an INPUT mode.
bits : 5 - 5 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN6 : This function only for the GPIO pin as an INPUT mode.
bits : 6 - 6 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN7 : This function only for the GPIO pin as an INPUT mode.
bits : 7 - 7 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN8 : This function only for the GPIO pin as an INPUT mode.
bits : 8 - 8 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN9 : This function only for the GPIO pin as an INPUT mode.
bits : 9 - 9 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN10 : This function only for the GPIO pin as an INPUT mode.
bits : 10 - 10 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN11 : This function only for the GPIO pin as an INPUT mode.
bits : 11 - 11 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN12 : This function only for the GPIO pin as an INPUT mode.
bits : 12 - 12 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN13 : This function only for the GPIO pin as an INPUT mode.
bits : 13 - 13 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN14 : This function only for the GPIO pin as an INPUT mode.
bits : 14 - 14 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN15 : This function only for the GPIO pin as an INPUT mode.
bits : 15 - 15 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

IEN :
bits : 0 - 0 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN0 : This function only for the GPIO pin as an INPUT mode.
bits : 0 - 0 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN1 : This function only for the GPIO pin as an INPUT mode.
bits : 1 - 1 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN2 : This function only for the GPIO pin as an INPUT mode.
bits : 2 - 2 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN3 : This function only for the GPIO pin as an INPUT mode.
bits : 3 - 3 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN4 : This function only for the GPIO pin as an INPUT mode.
bits : 4 - 4 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PU_EN5 : This function only for the GPIO pin as an INPUT mode.
bits : 5 - 5 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

IEN :
bits : 0 - 0 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

CHIPRST : CHIP One Shot Reset Set this bit will reset the whole chip, this bit will automatically return to 0 after 2 clock cycles. CHIPRST is same as POR reset, all the chip modules are reset and the chip configuration settings from Flash Memory are reloaded.
bits : 0 - 0 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

CPURST : CPU Kernel One Shot Reset Setting this bit will reset the CPU kernel and Flash Memory Controller(FMC), this bit will automatically return to 0 after the 2 clock cycles
bits : 1 - 1 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

GPIORST : GPIO Controller Reset
bits : 1 - 1 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

TMR0RST : Timer0 Controller Reset
bits : 2 - 2 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

TMR1RST : Timer1 Controller Reset
bits : 3 - 3 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

TMR2RST : Timer2 Controller Reset
bits : 4 - 4 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

TMRFRST : TimerF Controller Reset
bits : 6 - 6 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PDMARST : PDMA Controller Reset
bits : 7 - 7 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

SPI0RST : SPI0 Controller Reset
bits : 12 - 12 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

SPIMRST : SPIM Controller Reset
bits : 13 - 13 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PWM0RST : PWM0 Controller Reset
bits : 20 - 20 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

PWM1RST : PWM1 Controller Reset
bits : 21 - 21 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

ADCRST : ADC Controller Reset
bits : 28 - 28 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

DPWMRST : DPWM Controller Reset
bits : 29 - 29 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

IMG3 : Data Image of MAP3 Data in MAP3 of information block are copied to this register after power on.
bits : 0 - 31 (32 bit)
access : read-only

DEVICEID : Device ID Data This register provides specific read-only information for the Device ID
bits : 0 - 15 (16 bit)
access : read-only

IMG0 : Data Image of MAP0 Data in MAP0 of information block are copied to this register after power on.
bits : 0 - 31 (32 bit)
access : read-only

IMG1 : Data Image of MAP1 Data in MAP1 of information block are copied to this register after power on.
bits : 0 - 31 (32 bit)
access : read-only