Rainbow Electronics NUC120 - Manual (Page 2)

NUC120 Series DATA SHEET
Publication Release Date: May 31, 2010
- 2 - Revision V1.02
Table of Contents-
1 GENERAL DESCRIPTION ......................................................................................................... 5
2 FEATURES ................................................................................................................................. 6
3 PARTS INFORMATION LIST AND PIN CONFIGURATION .................................................... 10
3.1 Products Selection Guide ............................................................................................. 10
3.1.1 NUC120 Products Selection Guide ................................................................................10
3.2 Pin Configuration .......................................................................................................... 11
3.2.1 NUC120 LQFP 100 pin...................................................................................................11
3.2.2 NUC120 LQFP 64 pin.....................................................................................................12
3.2.3 NUC120 LQFP 48 pin.....................................................................................................13
3.3 Pin Description.............................................................................................................. 14
3.3.1 NUC120 Pin Description.................................................................................................14
4 BLOCK DIAGRAM .................................................................................................................... 21
4.1 NUC120 Block Diagram................................................................................................ 21
5 FUNCTIONAL DESCRIPTION.................................................................................................. 22
5.1 ARM ® Cortex™-M0 core............................................................................................... 22
5.2 System Manager........................................................................................................... 24
5.2.1 Overview ........................................................................................................................24
5.2.2 System Reset .................................................................................................................24
5.2.3 System Timer (SysTick) .................................................................................................25
5.2.4 Nested Vectored Interrupt Controller (NVIC) ..................................................................26
5.3 Clock Controller ............................................................................................................ 29
5.3.1 Clock Generator .............................................................................................................29
5.3.2 System Clock & SysTick Clock.......................................................................................30
5.3.3 Peripherals Clock ...........................................................................................................31
5.3.4 Power down mode (Deep Sleep Mode) Clock................................................................31
5.3.5 Frequency Divider Output...............................................................................................32
5.4 USB Device Controller.................................................................................................. 33
5.4.1 Overview ........................................................................................................................33
5.4.2 Features .........................................................................................................................33
5.4.3 Block Diagram ................................................................................................................34
5.5 General Purpose I/O..................................................................................................... 35
5.5.1 Overview and Features ..................................................................................................35
5.6 I2C Serial Interface Controller (Master/Slave).............................................................. 37
5.6.1 Introduction.....................................................................................................................37
5.6.2 Features .........................................................................................................................38
5.7 PWM Generator and Capture Timer............................................................................. 39
5.7.1 Introduction.....................................................................................................................39
5.7.2 Features .........................................................................................................................40
5.8 Real Time Clock (RTC)................................................................................................. 41
5.8.1 Overview ........................................................................................................................41