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mPD784225 Series
NEC mPD784225 Series Manuals
Manuals and User Guides for NEC mPD784225 Series. We have
1
NEC mPD784225 Series manual available for free PDF download: User Manual
NEC mPD784225 Series User Manual (581 pages)
16-/8-Bit Single-Chip Microcontrollers
Brand:
NEC
| Category:
Microcontrollers
| Size: 3.32 MB
Table of Contents
Table of Contents
12
Chapter 1 Overview
31
Features
33
Ordering Information
34
Pin Configuration (Top View)
35
Block Diagram
38
Function List
39
Differences between Μ PD784225 Subseries Products and Μ PD784225Y Subseries Products
42
Chapter 2 Pin Functions
43
Pin Function List
43
Pin Function Description
47
Pin I/O Circuits and Recommended Connection of Unused Pins
53
Chapter 3 Cpu Architecture
57
Memory Space
57
Internal ROM Area
61
Base Area
62
Vector Table Area
63
CALLT Instruction Table Area
64
CALLF Instruction Entry Area
64
Internal Data Area
65
Internal RAM Area
66
Special Function Register (SFR) Area
69
External SFR Area
69
External Memory Space
69
PD78F4225 Memory Mapping
70
Control Registers
71
Program Counter (PC)
71
Program Status Word (PSW)
71
Using the RSS Bit
75
Stack Pointer (SP)
78
General-Purpose Registers
82
Structure
82
Functions
84
Special Function Registers (Sfrs)
87
Cautions
92
Chapter 4 Clock Generator
93
Functions
93
Configuration
93
Control Registers
95
System Clock Oscillator
100
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