Mini51
ARM
®
Cortex
®
-M0
32-bit Microcontroller
NuMicro Family
Mini51 DE Series
Datasheet
TM
MINI51 DE SERIES DATASHEET
The information described in this document is the exclusive intellectual property of
Nuvoton Technology Corporation and shall not be reproduced without permission from Nuvoton.
Nuvoton is providing this document only for reference purposes of NuMicro microcontroller based
system design. Nuvoton assumes no responsibility for errors or omissions.
All data and specifications are subject to change without notice.
For additional information or questions, please contact: Nuvoton Technology Corporation.
www.nuvoton.com
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Mini51
Table of Contents
1
2
3
4
4.1
4.2
4.3
4.3.1
4.3.2
4.3.3
4.3.4
GENERAL DESCRIPTION
....................................................................... 7
FEATURES
......................................................................................... 8
ABBREVIATIONS
................................................................................ 12
PARTS INFORMATION LIST AND PIN CONFIGURATION
.............................. 13
NuMicro™ Mini51 Series Selection Code
........................................................13
NuMicro™ Mini51 Series Product Selection Guide
.............................................14
PIN CONFIGURATION
..............................................................................15
LQFP 48-pin
................................................................................................... 15
QFN 33-pin
.................................................................................................... 16
TSSOP 20-pin
................................................................................................. 17
Mini54FHC (TSSOP20-pin)
................................................................................. 17
4.4
Pin Description
........................................................................................18
5
5.1
BLOCK DIAGRAM
............................................................................... 22
NuMicro™ Mini51 Block Diagram
..................................................................22
6
6.1
6.2
Functional Description
........................................................................... 23
ARM
®
Cortex™-M0 core
.............................................................................23
System Manager
......................................................................................25
Overview
....................................................................................................... 25
System Reset
................................................................................................. 25
System Power Architecture
................................................................................. 25
Whole System Memory Mapping
........................................................................... 27
System Memory Map
......................................................................................... 28
System Timer (SysTick)
..................................................................................... 29
Nested Vectored Interrupt Controller (NVIC)
............................................................. 30
System Control Registers (SCB)
........................................................................... 31
6.2.1
6.2.2
6.2.3
6.2.4
6.2.5
6.2.6
6.2.7
6.2.8
MINI51 DE SERIES DATASHEET
6.3
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
6.3.6
Clock Controller
.......................................................................................32
Overview
....................................................................................................... 32
System Clock and SysTick Clock
.......................................................................... 33
ISP Clock Source Selection
................................................................................. 34
Module Clock Source Selection
............................................................................ 34
Power-down Mode Clock
.................................................................................... 35
Frequency Divider Output
................................................................................... 35
6.4
Flash Memory Controller (FMC)
....................................................................37
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6.4.1
6.4.2
Overview
....................................................................................................... 37
Features
........................................................................................................ 37
6.5
6.5.1
6.5.2
General Purpose I/O (GPIO)
........................................................................38
Overview
....................................................................................................... 38
Features
........................................................................................................ 38
6.6
6.6.1
6.6.2
Timer Controller (TMR)
..............................................................................39
Overview
....................................................................................................... 39
Features
........................................................................................................ 39
6.7
6.7.1
6.7.2
Enhanced PWM Generator
.........................................................................40
Overview
....................................................................................................... 40
Features
........................................................................................................ 40
6.8
6.8.1
6.8.2
Watchdog Timer (WDT)
.............................................................................42
Overview
....................................................................................................... 42
Features
........................................................................................................ 42
6.9
6.9.1
6.9.2
UART Controller (UART)
............................................................................43
Overview
....................................................................................................... 43
Features
........................................................................................................ 43
6.10
6.10.1
6.10.2
I
2
C Serial Interface Controller (I
2
C)
................................................................ 44
Overview
....................................................................................................... 44
Features
........................................................................................................ 44
MINI51 DE SERIES DATASHEET
6.11
6.11.1
6.11.2
Serial Peripheral Interface (SPI)
....................................................................45
Overview
....................................................................................................... 45
Features
........................................................................................................ 45
6.12
6.12.1
6.12.2
Analog-to-Digital Converter (ADC)
.................................................................46
Overview
....................................................................................................... 46
Features
........................................................................................................ 46
6.13
6.13.1
6.13.2
Analog Comparator (ACMP)
........................................................................47
Overview
....................................................................................................... 47
Features
........................................................................................................ 47
7
8
8.1
8.2
8.3
APPLICATION CIRCUIT
........................................................................ 48
ELECTRICAL CHARACTERISTICS
.......................................................... 49
Absolute Maximum Ratings
.........................................................................49
DC Electrical Characteristics
........................................................................50
AC Electrical Characteristics
........................................................................58
External Input Clock
.......................................................................................... 58
8.3.1
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8.3.2
8.3.3
8.3.4
8.3.5
External 4~24 MHz High Speed Crystal (HXT)
.......................................................... 58
Typical Crystal Application Circuits
........................................................................ 58
22.1184 MHz Internal High Speed RC Oscillator (HIRC)
.............................................. 59
10 kHz Internal Low Speed RC Oscillator(LIRC)
........................................................ 60
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
Analog Characteristics
...............................................................................61
10-bit SARADC
............................................................................................... 61
LDO & Power Management
................................................................................. 62
Low Voltage Reset
........................................................................................... 62
Brown-out Detector
........................................................................................... 63
Power-on Reset
............................................................................................... 63
Comparator
.................................................................................................... 64
8.5
Flash DC Electrical Characteristics
................................................................ 65
9
9.1
9.2
9.3
9.4
PACKAGE DIMENSIONS
...................................................................... 66
48-pin LQFP
........................................................................................... 66
33-pin QFN (4 mm x 4 mm)
.........................................................................67
33-pin QFN (5 mm x 5 mm)
.........................................................................68
20-pin TSSOP
.........................................................................................69
10
MINI51 DE SERIES DATASHEET
REVISION HISTORY
............................................................................ 70
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LIST OF FIGURES
Figure 4.1-1 NuMicro™ Mini51 Series Selection Code ................................................................. 13
Figure 4.3-1 NuMicro™ Mini51 Series LQFP 48-pin Diagram ....................................................... 15
Figure 4.3-2 NuMicro™ Mini51 Series QFN 33-pin Diagram ........................................................ 16
Figure 4.3-3 NuMicro™ Mini51 Series TSSOP 20-pin Diagram .................................................... 17
Figure 4.3-4 NuMicro™ Mini51 Series TSSOP 20-pin Diagram .................................................... 17
Figure 5.1-1 NuMicro™ Mini51 Series Block Diagram .................................................................. 22
Figure 6.1-1 Functional Block Diagram .......................................................................................... 23
Figure 6.2-1 NuMicro™ Mini51 Series Power Architecture Diagram............................................. 26
Figure 6.3-1 Clock Generator Block Diagram ................................................................................ 32
Figure 6.3-2 System Clock Block Diagram .................................................................................... 33
Figure 6.3-3 SysTick Clock Control Block Diagram ....................................................................... 33
Figure 6.3-4 AHB Clock Source for HCLK ..................................................................................... 34
Figure 6.3-5 Peripherals Clock Source Selection for PCLK .......................................................... 34
Figure 6.3-6 Clock Source of Frequency Divider ........................................................................... 36
Figure 6.3-7 Block Diagram of Frequency Divider ......................................................................... 36
Figure 6.7-1 Application Circuit Diagram ....................................................................................... 41
Figure 8-1Mini5xDE Typical Crystal Application Circuit ................................................................. 59
Figure 8-2Power-up Ramp Condition ............................................................................................ 64
MINI51 DE SERIES DATASHEET
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