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M263 Datasheet(PDF) 276 Page - Nuvoton Technology Corporation

Part # M263
Description  Arm짰 Cortex짰-M 32-bit Microcontroller
PDF  398 Pages
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Manufacturer  NUVOTON [Nuvoton Technology Corporation]
Direct Link  http://www.nuvoton.com
Logo NUVOTON - Nuvoton Technology Corporation

M263 Datasheet(HTML) 276 Page - Nuvoton Technology Corporation

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M261/M262/M263
Mar 25, 2020
Page 276 of 398
Rev 1.02
1. LXT ON or OFF depends on software setting in normal mode.
2. LIRC ON or OFF depends on software setting in normal mode.
3. If TIMER clock source is selected as LIRC/LXT and LIRC/LXT is on.
4. If WDT clock source is selected as LIRC and LIRC is on.
5. If RTC clock source is selected as LXT and LXT is on.
6. If UART clock source is selected as LXT and LXT is on.
Normal Mode
Idle Mode
Power-Down Mode
(PD/FWPD/LLPD/ULLPD)
Power-Down Mode
(SPD/DPD)
HXT
ON
ON
Halt
Halt
HIRC
ON
ON
Halt
Halt
HIRC48
ON
ON
Halt
Halt
LXT
ON
ON
ON/OFF
1
ON/OFF
1
LIRC
ON
ON
ON/OFF
2
ON/OFF
2
PLL
ON
ON
Halt
Halt
CPU
ON
Halt
Halt
Halt
HCLK/PCLK
ON
ON
Halt
Halt
FLASH
ON
ON
Halt
Halt
TIMER
ON
ON
ON/OFF
3
Halt
WDT
ON
ON
ON/OFF
4
Halt
RTC
ON
ON
ON/OFF
5
ON/OFF
5
UART
ON
ON
ON/OFF
6
Halt
Others
ON
ON
Halt
Halt
Table 6.2-5 Clocks in Power Modes
Wake-up sources in Power-down mode:
EINT, GPIO, UART, USBD, USBH, OTG, CAN, BOD, ACMP, WDT, SDH, Timer, I²C, USCI, , , RTC.
After chip enters power down, the following wake-up sources can wake chip up to normal mode. Table
6.2-6 lists the condition about how to enter Power-down mode again for each peripheral.
*User needs to wait this condition before setting PDEN(CLK_PWRCTL[7]) and execute WFI to enter
Power-down mode.
Wake-Up
Source
Wake-Up Condition
Power-down Mode
System Can Enter Power-Down Mode Again
Condition*
PD
LLPD
ULLPD
FWPD
SPD DPD
BOD
Brown-out Detector Reset / Interrupt
V
-
-
After
software
writes
1
to
clear
BODIF
(SYS_BODCTL[4]).
Brown-out Detector Reset
-
V
-
After software
writes
1
to clear
BODWK
(CLK_PMUSTS[13])
when
SPD
mode
is



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