W77C32_07 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
Publication Release Date: February 1, 2007
-1-
Revision A8