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
7.
7.1
7.2
8.
Program Memory ............................................................................................................ 8
Data Memory .................................................................................................................. 8
External Interrupt Flag .................................................................................................. 16
Timer 2 Mode Control ................................................................................................... 23
7.2.1
Timer 2 Capture LSB ..............................................................................................24
SPECIAL FUNCTION REGISTERS ......................................................................................... 10
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
Idle Mode ...................................................................................................................... 42
Economy Mode ............................................................................................................. 42
Power Down Mode ....................................................................................................... 43
External Reset .............................................................................................................. 45
Watchdog Timer Reset ................................................................................................. 45
Reset State ................................................................................................................... 45
Interrupt Sources .......................................................................................................... 47
Priority Level Structure ................................................................................................. 48
Interrupt Response Time .............................................................................................. 49
Timer/Counters 0 & 1.................................................................................................... 51
12.1.1
Time-base Selection ...............................................................................................51
9.
POWER MANAGEMENT.......................................................................................................... 42
9.1
9.2
9.3
10.
RESET CONDITIONS............................................................................................................... 45
10.1
10.2
10.3
11.
INTERRUPTS ........................................................................................................................... 47
11.1
11.2
11.3
12.
PROGRAMMABLE TIMERS/COUNTERS ............................................................................... 51
12.1
-1-
Publication Release Date: February 1, 2007
Revision A8