NUC505-YO2Y datasheet(3/130 Pages) NUVOTON

3 / 130 page

NUC505

July. 26, 2018

Page 3 of 130

Rev.1.08

6.2.1

Overview...................................................................................... 72

6.2.2

System Reset ................................................................................ 72

6.2.3

System Power-on Setting .................................................................. 73

6.2.4

System Power Distribution ................................................................. 73

6.2.5

System Memory Mapping .................................................................. 74

6.2.6

SRAM Memory Organization .............................................................. 76

6.2.7

AHB Bus Arbitration......................................................................... 78

6.2.8

System Timer (Systick) ..................................................................... 80

6.2.9

Nested Vectored Interrupt Control (NVIC)............................................... 81

Clock Controller............................................................................84

6.3

6.3.1

Overview...................................................................................... 84

6.3.2

Clock Diagram ............................................................................... 85

6.3.3

Clock Generator ............................................................................. 86

6.3.4

Power-down Mode Clock .................................................................. 87

General Purpose I/O (GPIO) ............................................................88

6.4

6.4.1

Overview...................................................................................... 88

6.4.2

Features ...................................................................................... 88

Timer Controller (TIMER) ................................................................90

6.5

6.5.1

Overview...................................................................................... 90

6.5.2

Features ...................................................................................... 90

PWM Generator and Capture Timer (PWM) ..........................................91

6.6

6.6.1

Overview...................................................................................... 91

6.6.2

Features ...................................................................................... 91

Watchdog Timer (WDT) ..................................................................92

6.7

6.7.1

Overview...................................................................................... 92

6.7.2

Features ...................................................................................... 92

Window Watchdog Timer (WWDT).....................................................92

6.8

6.8.1

Overview...................................................................................... 92

6.8.2

Features ...................................................................................... 92

Real Time Clock (RTC)...................................................................93

6.9

6.9.1

Overview...................................................................................... 93

6.9.2

Features ...................................................................................... 93

UART Interface Controller (UART) .....................................................94

6.10

6.10.1

Overview...................................................................................... 94

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