W77L32/W77L032A/W77M032A
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 ............................................................................................................. 44
Power Down Mode........................................................................................................ 45
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.................................................................................................. 48
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: April 17, 2007
- 1 -
Revision A6
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