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W79E824 Datasheet

  • W79E824

  • 8-BIT MICROCONTROLLER

  • 1485.38KB

  • 127頁(yè)

  • WINBOND

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W79E825A/824A/823B/822B Data Sheet
8-BIT MICROCONTROLLER
Table of Contents-
1
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......................................................................................................... 16
7.5
Bit addressable Locations............................................................................................. 16
7.6
Stack ............................................................................................................................. 16
SPECIAL FUNCTION REGISTERS ......................................................................................... 17
INSTRUCTION SET.................................................................................................................. 48
9.1
Instruction Timing.......................................................................................................... 56
POWER MANAGEMENT.......................................................................................................... 59
10.1 Idle Mode ...................................................................................................................... 59
10.2 Power Down Mode ....................................................................................................... 59
RESET CONDITIONS............................................................................................................... 60
11.1 Sources of reset............................................................................................................ 60
11.1.1
External Reset ..............................................................................................................60
-1-
Publication Release Date: February 21, 2008
Revision A9

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