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