Preliminary N79E875 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.......................................................................................................................... 70
POWER MANAGEMENT.......................................................................................................... 80
9.1
9.2
Idle Mode ...................................................................................................................... 80
Power Down Mode ....................................................................................................... 80
10
RESET CONDITIONS............................................................................................................... 81
10.1 External Reset .............................................................................................................. 81
10.2 Power-On Reset (POR)................................................................................................ 81
10.3 Watchdog Timer Reset................................................................................................. 81
10.4 Software Reset ............................................................................................................. 81
10.5 Brownout Reset ............................................................................................................ 81
10.6 Reset State ................................................................................................................... 81
11
INTERRUPTS ........................................................................................................................... 83
11.1 Interrupt Sources .......................................................................................................... 83
11.2 Priority Level Structure ................................................................................................. 85
11.3 Interrupt Response Time .............................................................................................. 87
12
13
NVM MEMORY......................................................................................................................... 89
PROGRAMMABLE TIMERS/COUNTERS ............................................................................... 90
Publication Release Date: April 13, 2009
- 1 -
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