NuMicro® NUC029LEE/NUC029SEE32-bit Arm® Cortex® -M0 MicrocontrollerAug, 2018 Page 2 of 497 Rev 1.00NUMICRO® NUC029LEE/NUC029SEE TECHNICAL REFERENCE MANUALTABLE OF CONTENTSLIST OF FIGURES ..................................................................................................... 7LIST OF TABLES ..................................................................................................... 111 GENERAL DESCRIPTION ................................................................................... 122 FEATURES .......................................................................................................... 133 ABBREVIATIONS ................................................................................................ 164 PARTS INFORMATION LIST AND PIN CONFIGURATION ................................ 184.1 NuMicro® NUC029 Series Selection Code ...................................................184.2 NuMicro® NUC029 Series Selection Guide ..................................................194.3 Pin Configuration .................................................................................204.3.1 NuMicro® NUC029LEE/NUC029SEE Pin Diagram .............................................. 204.4 Pin Description ....................................................................................224.4.1 NuMicro® NUC029LEE/NUC029SEE Pin Description ........................................... 225 BLOCK DIAGRAM ............................................................................................... 275.1 NuMicro® NUC029LEE/NUC029SEE Block Diagram ......................................276 FUNCTIONAL DESCRIPTION ............................................................................. 286.1 ARM® Cortex® -M0 Core .........................................................................286.2 System Manager .................................................................................306.2.1 Overview ................................................................................................ 306.2.2 System Reset .......................................................................................... 306.2.3 System Power Distribution ........................................................................... 316.2.4 System Memory Map ................................................................................. 326.2.5 Register Lock ........................................................................................... 336.2.6 Auto Trim ................................................................................................ 346.2.7 Register Map ........................................................................................... 366.2.8 Register Description ................................................................................... 376.2.9 System Timer (SysTick) .............................................................................. 746.2.10 Nested Vectored Interrupt Controller (NVIC) ...................................................... 796.2.11 System Control ....................................................................................... 1056.3 Clock Controller................................................................................. 1136.3.1 Overview .............................................................................................. 1136.3.2 System Clock and SysTick Clock ................................................................. 1166.3.3 Power-down Mode Clock ........................................................................... 1176.3.4 Frequency Divider Output .......................................................................... 117
