W77IC32 DATA SHEET
8-BIT MICROCONTROLLER
Table of Contents-
1.
2.
3.
4.
5.
GENERAL DESCRIPTION ......................................................................................................... 3
FEATURES................................................................................................................................. 3
PIN CONFIGURATIONS ............................................................................................................ 4
PIN DESCRIPTION..................................................................................................................... 5
FUNCTIONAL DESCRIPTION ................................................................................................... 6
5.1
5.2
5.3
5.4
5.5
5.6
5.7
I/O Ports.......................................................................................................................... 6
Serial I/O......................................................................................................................... 6
Timers............................................................................................................................. 7
Interrupts......................................................................................................................... 7
Data Pointers .................................................................................................................. 7
Power Management........................................................................................................ 7
On-chip Data SRAM ....................................................................................................... 7
6.
MEMORY ORGANIZATION ....................................................................................................... 8
6.1
6.2
6.3
Program Memory............................................................................................................ 8
Data Memory .................................................................................................................. 8
Special Function Registers........................................................................................... 10
7.
8.
INSTRUCTION.......................................................................................................................... 27
7.1 Intruction Timing ........................................................................................................... 35
7.1.1
MOVX Instruction .........................................................................................................38
POWER MANAGEMENT.......................................................................................................... 43
8.1
8.2
8.3
Idle Mode ...................................................................................................................... 43
Economy Mode............................................................................................................. 43
Power Down Mode ....................................................................................................... 44
9.
RESET CONDITIONS............................................................................................................... 46
9.1
9.2
9.3
External Reset .............................................................................................................. 46
Watchdog Timer Reset................................................................................................. 46
Reset State ................................................................................................................... 46
10.
11.
INTERRUPTS ........................................................................................................................... 48
10.1 Interrupt Sources .......................................................................................................... 48
10.2 Priority Level Structure ................................................................................................. 49
10.3 Interrupt Response Time .............................................................................................. 50
PROGRAMMABLE TIMERS/COUNTERS ............................................................................... 51
11.1 Timer/Counters 0 & 1.................................................................................................... 51
11.2 Time-base Selection..................................................................................................... 51
11.2.1 Mode 0 .........................................................................................................................52
Publication Release Date: October 2, 2006
- 1 -
Revision A5
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