W77C32 Datasheet, PDF (1/78 Pages) Winbond – 8 BIT MICROCONTROLLER

W77C32/W77C032A Data Sheet
8-BIT MICROCONTROLLER
Table of Contents-
1. GENERAL DESCRIPTION .......................................................................................................... 3
2. FEATURES.................................................................................................................................. 3
3. PIN CONFIGURATIONS ............................................................................................................. 4
4. PIN DESCRIPTION ..................................................................................................................... 5
5. FUNCTIONAL DESCRIPTION .................................................................................................... 6
6. MEMORY ORGANIZATION ........................................................................................................ 8
6.1 Program Memory............................................................................................................. 8
6.2 Data Memory ................................................................................................................... 8
7. SPECIAL FUNCTION REGISTERS .......................................................................................... 10
7.1 External Interrupt Flag ................................................................................................... 16
7.2 Timer 2 Mode Control.................................................................................................... 23
7.2.1
Timer 2 Capture LSB ..............................................................................................24
8. INSTRUCTION .......................................................................................................................... 27
8.1 Instruction Timing .......................................................................................................... 34
8.2 MOVX Instruction .......................................................................................................... 36
8.3 External Data Memory Access Timing .......................................................................... 38
8.4 Wait State Control Signal .............................................................................................. 40
9. POWER MANAGEMENT .......................................................................................................... 42
9.1 Idle Mode ....................................................................................................................... 42
9.2 Economy Mode.............................................................................................................. 42
9.3 Power Down Mode ........................................................................................................ 43
10. RESET CONDITIONS ............................................................................................................... 45
10.1 External Reset ............................................................................................................... 45
10.2 Watchdog Timer Reset ................................................................................................. 45
10.3 Reset State.................................................................................................................... 45
11. INTERRUPTS............................................................................................................................ 47
11.1 Interrupt Sources ........................................................................................................... 47
11.2 Priority Level Structure .................................................................................................. 48
11.3 Interrupt Response Time............................................................................................... 49
12. PROGRAMMABLE TIMERS/COUNTERS ................................................................................ 51
12.1
Timer/Counters 0 & 1 .................................................................................................... 51
12.1.1
Time-base Selection ...............................................................................................51
12.1.2
Mode 0 ....................................................................................................................52
Publication Release Date: February 1, 2007
-1-
Revision A8