REVISION HISTORY .............................................................................................................................. 3 TABLE OF CONTENTS .......................................................................................................................... 4 1. OVERVIEW ......................................................................................................................................... 7 1.1 Description .................................................................................................................................... 7 1.2 Features ........................................................................................................................................ 7 1.3 Development Tools ....................................................................................................................... 8 1.4 Ordering Information ..................................................................................................................... 9 2. BLOCK DIAGRAM ............................................................................................................................ 10 3. PIN ASSIGNMENT ........................................................................................................................... 11 3.1 16 pin - SOP ............................................................................................................................... 11 3.2 Summary..................................................................................................................................... 12 4. PACKAGE DIAGRAM ....................................................................................................................... 13 4.1 16 SOP- MC81F4205M .............................................................................................................. 13 5. PIN DESCRIPTION........................................................................................................................... 14 6. PORT STRUCTURE ......................................................................................................................... 17 7. ELECTRICAL CHARACTERISTICS ................................................................................................. 19 7.1 Absolute Maximum Ratings ........................................................................................................ 19 7.2 Recommended Operating Conditions ........................................................................................ 19 7.3 OVP Characteristics (TA = 25??C) ............................................................................................... 20 7.4 A/D Converter Characteristics .................................................................................................... 21 7.5 DC Electrical Characteristics ...................................................................................................... 22 7.6 DC Electrical Characteristics (Continued) .................................................................................. 23 7.7 Input/Output Capacitance ........................................................................................................... 23 7.8 Serial I/O Characteristics ............................................................................................................ 24 7.9 Data Retention Voltage in Stop Mode ........................................................................................ 26 7.10 LVR (Low Voltage Reset) Electrical Characteristics ................................................................ 27 7.11 POR (Power on Reset) Electrical Characteristics .................................................................... 27 7.12 Main clock Oscillator Characteristics ........................................................................................ 28 7.13 External RC Oscillation Characteristics .................................................................................... 29 7.14 Internal RC Oscillation Characteristics ..................................................................................... 30 7.15 Main Oscillation Stabilization Time ........................................................................................... 30 7.16 Operating Voltage Range ......................................................................................................... 31 7.17 Typical Characteristics.............................................................................................................. 32 8. ROM OPTION ................................................................................................................................... 38 8.1 Rom Option ................................................................................................................................. 38 8.2 Read Timing................................................................................................................................ 39 9. MEMORY ORGANIZATION.............................................................................................................. 40 9.1 Registers ..................................................................................................................................... 40 9.2 Program Memory ........................................................................................................................ 44 9.3 Data Memory .............................................................................................................................. 47 9.4 User Memory .............................................................................................................................. 47 9.5 Stack Area .................................................................................................................................. 48 9.6 Control Registers ( SFR ) ........................................................................................................... 48 9.7 Addressing modes ...................................................................................................................... 53 4 June 15, 2012 Ver.1.00

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