PIM523 Pimoroni

MS51 SERIES DATASHEET MS51 1T 8051 8-bit Microcontroller NuMicro Family MS51 Series MS51FB9AE MS51XB9AE MS51XB9BE 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 Sep. 03, 2019 Page 1 of 53 Rev 1.01 MS51 SERIES DATASHEET MS51 TABLE OF CONTENTS 1 GENERAL DESCRIPTION............................................................................... 6 2 FEATURES ...................................................................................................... 7 3 PARTS INFORMATION ................................................................................... 9 3.1 MS51 Series selection gude ........................................................................................ 9 3.2 MS51 Series Selection Code ..................................................................................... 10 4 PIN CONFIGURATION .................................................................................. 11 4.1 Pin Configuration ......................................................................................................... 11 4.1.1 TSSOP 20-pin Package Pin Diagram ........................................................................ 11 4.1.2 QFN 20-pin Package Pin Diagram ............................................................................. 12 4.2 MS51 16K Series Pin Description ............................................................................. 14 5 BLOCK DIAGRAM ......................................................................................... 17 5.1 MS51 16K Series BLOCK DIAGRAM ...................................................................... 17 6 APPLICATION CIRCUIT ................................................................................ 18 6.1 Power supply scheme ................................................................................................. 18 6.2 Peripheral Application scheme .................................................................................. 19 6.3 System Reset ............................................................................................................... 20 6.3.1 Hardware Reset Sources .............................................................................................. 20 7 ELECTRICAL CHARACTERISTICS .............................................................. 27 7.1 General Operating Conditions ................................................................................... 27 7.2 DC Electrical Characteristics ..................................................................................... 28 7.2.1 Supply Current Characteristics ..................................................................................... 28 7.2.2 Wakeup Time from Low-Power Modes ....................................................................... 30 7.2.3 I/O DC Characteristics ................................................................................................... 31 7.3 AC Electrical Characteristics ..................................................................................... 34 7.3.1 Internal High Speed RC Oscillator (HIRC) ................................................................. 34 7.3.2 10 kHz Internal Low Speed RC Oscillator (LIRC)...................................................... 36 7.3.3 I/O AC Characteristics ................................................................................................... 37 7.4 Analog Characteristics ................................................................................................ 39 7.4.1 Reset and Power Control Block Characteristics ........................................................ 39 7.4.2 12-bit SAR ADC .............................................................................................................. 40 7.5 Flash DC Electrical Characteristics .......................................................................... 42 7.6 Absolute Maximum Ratings ....................................................................................... 43 7.6.1 Voltage Characteristics .................................................................................................. 43 7.6.2 Current Characteristics .................................................................................................. 43 7.6.3 Thermal Characteristics ................................................................................................. 44 7.6.4 EMC Characteristics ...................................................................................................... 45 Sep. 03, 2019 Page 2 of 53 Rev 1.01