Preliminary N79E875/4/3 N79M875/4/3 DATA SHEET
8-BIT MICROCONTROLLER
Table of Contents-
1
2
3
GENERAL DESCRIPTION ..........................................................................................................5
FEATURES..................................................................................................................................6
PARTS INFORMATION LIST ......................................................................................................8
3.1
Lead Free (RoHS) Parts information list .........................................................................8
4
5
6
PIN CONFIGURATION................................................................................................................9
PIN DESCRIPTION .................................................................................................................. 10
MEMORY ORGANIZATION ..................................................................................................... 12
6.1
6.2
6.3
6.4
6.5
6.6
6.7
Program Flash Memory................................................................................................ 12
Data Flash Memory ...................................................................................................... 12
Data Memory (accessed by MOVX)............................................................................. 12
Scratch-pad RAM and Register Map............................................................................ 12
Working Registers ........................................................................................................ 15
Bit addressable Locations ............................................................................................ 15
Stack............................................................................................................................. 15
7
SPECIAL FUNCTION REGISTERS ......................................................................................... 16
7.1
7.2
SFR Location Table...................................................................................................... 16
SFR Detail Bit Descriptions .......................................................................................... 20
8
9
INSTRUCTION ......................................................................................................................... 69
POWER MANAGEMENT.......................................................................................................... 79
9.1
9.2
Idle Mode...................................................................................................................... 79
Power Down Mode ....................................................................................................... 79
10
RESET CONDITIONS .............................................................................................................. 80
10.1 External Reset .............................................................................................................. 80
10.2 Power-On Reset (POR)................................................................................................ 80
10.3 Watchdog Timer Reset................................................................................................. 80
10.4 Software reset............................................................................................................... 80
10.5 Reset State................................................................................................................... 80
11
INTERRUPTS........................................................................................................................... 82
11.1 Interrupt Sources .......................................................................................................... 82
11.2 Priority Level Structure ................................................................................................. 84
11.3 Interrupt Response Time.............................................................................................. 86
12
13
NVM MEMORY......................................................................................................................... 88
PROGRAMMABLE TIMERS/COUNTERS ............................................................................... 89
13.1 TIMER/COUNTERS 0 & 1............................................................................................ 89
Publication Release Date: January 20, 2009
- 1 -
Revision A0.3
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