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N79E825A Dataheets PDF



Part Number N79E825A
Manufacturers Nuvoton
Logo Nuvoton
Description 8-Bit Microcontroller
Datasheet N79E825A DatasheetN79E825A Datasheet (PDF)

N79E825A/824A/823A/822A Data Sheet 8-BIT MICROCONTROLLER Table of Contents1 2 3 4 5 6 GENERAL DESCRIPTION 4 FEATURES .... 5 PARTS INFORMATION LIST .6 3.1 Lead Free (RoH.

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N79E825A/824A/823A/822A Data Sheet 8-BIT MICROCONTROLLER Table of Contents1 2 3 4 5 6 GENERAL DESCRIPTION .........................................................................................................4 FEATURES ....................................................................................................................... .......... 5 PARTS INFORMATION LIST .....................................................................................................6 3.1 Lead Free (RoHS) Parts information list.........................................................................6 PIN CONFIGURATION .............................................................................................................. .7 PIN DESCRIPTION................................................................................................................ ..... 8 FUNCTIONAL DESCRIPTION....................................................................................................9 6.1 On-Chip Flash EPROM ..................................................................................................9 6.2 I/O Ports...................................................................................................................... .... 9 6.3 Serial I/O ..................................................................................................................... .... 9 6.4 Timers ......................................................................................................................... .... 9 6.5 Interrupts..................................................................................................................... .... 9 6.6 Data Pointers ..................................................................................................................9 6.7 Architecture...................................................................................................................10 6.7.1 6.7.2 6.7.3 6.7.4 6.7.5 6.7.6 ALU ............................................................................................................................ ....10 Accumulator ................................................................................................................... 10 B Register..................................................................................................................... ..10 Program Status Word: .................................................................................................... 10 Scratch-pad RAM ........................................................................................................... 10 Stack Pointer .................................................................................................................. 11 7 8 9 10 11 6.8 Power Management......................................................................................................11 MEMORY ORGANIZATION......................................................................................................12 7.1 Program Memory (on-chip Flash) .................................................................................12 7.2 Data Memory ................................................................................................................12 7.3 Register Map.................................................................................................................13 7.4 Working Registers.........................................................................................................15 7.5 Bit addressable Locations.............................................................................................15 7.6 Stack .......................................................................................................................... ... 15 SPECIAL FUNCTION REGISTERS .........................................................................................16 INSTRUCTION SET................................................................................................................ .. 47 9.1 Instruction Timing..........................................................................................................56 POWER MANAGEMENT..........................................................................................................59 10.1 Idle Mode ......................................................................................................................59 10.2 Power Down Mode .......................................................................................................59 RESET CONDITIONS...............................................................................................................61 11.1 Sources of reset............................................................................................................61 11.1.1 External Reset .............................................................................................................. 61 -1- Publication Release D.


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