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W742C813 Datasheet

  • W742C813

  • 4 BIT MICROCONTROLLER

  • 56頁

  • WINBOND

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W742E/C813
4-BIT MICROCONTROLLER
Table of Contents-
1.
2.
3.
4.
5.
GENERAL DESCRIPTION ......................................................................................................................3
FEATURES .............................................................................................................................................3
PIN CONFIGURATION............................................................................................................................5
PIN DESCRIPTION .................................................................................................................................6
FUNCTIONAL DESCRIPTION ................................................................................................................8
5.1
5.2
5.3
Program Counter (PC)..............................................................................................................8
Stack Register (STACK)...........................................................................................................8
Program Memory (ROM) ..........................................................................................................9
5.3.1
5.3.2
ROM Page Register (ROMPR) .........................................................................................10
ROM Addressing Mode ....................................................................................................10
Architecture ......................................................................................................................12
RAM Page Register (PAGE).............................................................................................12
WR Page Register (WRP)................................................................................................13
Data Bank Register (DBKRH, DBKRL).............................................................................14
RAM Addressing Mode.....................................................................................................15
5.4
Data Memory (RAM)...............................................................................................................12
5.4.1
5.4.2
5.4.3
5.4.4
5.4.5
5.5
5.6
5.7
5.8
5.9
5.10
5.11
5.12
Accumulator (ACC).................................................................................................................16
Arithmetic and Logic Unit (ALU) .............................................................................................16
Main Oscillator........................................................................................................................16
Sub-oscillator..........................................................................................................................17
Dividers...................................................................................................................................17
Dual-clock Operation ..............................................................................................................17
Watchdog Timer (WDT) .........................................................................................................18
Timer/Counter.........................................................................................................................19
5.12.1
5.12.2
5.12.3
5.12.4
Timer 0 (TM0) .................................................................................................................19
Timer 1 (TM1) .................................................................................................................20
Mode Register 0 (MR0) ..................................................................................................22
Mode Register 1 (MR1) ..................................................................................................22
5.13
5.14
5.15
Interrupts ................................................................................................................................22
Stop Mode Operation .............................................................................................................24
5.14.1
5.15.1
Stop Mode Wake-up Enable Flag for RC and RD Port (SEF) ........................................24
Hold Mode Release Enable Flag (HEF, HEFD)..............................................................26
Hold Mode Operation .............................................................................................................24
-1-
Publication Release Date: December 2000
Revision A1

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