Renesas rl78 User Manual
CONTENTS
CHAPTER 1 OUTLINE............................................................................................................................... 1
1.1 Features ....................................................................................................................................... 1
1.2
List of Part Numbers ................................................................................................................... 4
1.3
Pin Configuration (Top View)..................................................................................................... 6
1.3.1 25-pin
products ............................................................................................................................... 6
1.3.2 32-pin
products ............................................................................................................................... 7
1.3.3 48-pin
products ............................................................................................................................... 8
1.3.4 64-pin
products ............................................................................................................................. 10
1.4 Pin
Identification ....................................................................................................................... 12
1.5 Block
Diagram ........................................................................................................................... 13
1.5.1 25-pin
products ............................................................................................................................. 13
1.5.2 32-pin
products ............................................................................................................................. 14
1.5.3 48-pin
products ............................................................................................................................. 15
1.5.4 64-pin
products ............................................................................................................................. 16
1.6
Outline of Functions ................................................................................................................. 17
CHAPTER 2 PIN FUNCTIONS ............................................................................................................... 19
2.1 Port
Function ............................................................................................................................. 19
2.1.1 25-pin
products ............................................................................................................................. 20
2.1.2 32-pin
products ............................................................................................................................. 22
2.1.3 48-pin
products ............................................................................................................................. 24
2.1.4 64-pin
products ............................................................................................................................. 26
2.2
Functions Other than Port Pins ............................................................................................... 29
2.2.1 With
functions for each product .................................................................................................... 29
2.2.2 Explanation of function.................................................................................................................. 33
2.3
Pin I/O Circuits and Recommended Connection of Unused Pins........................................ 35
2.4
Block Diagrams of Pins ............................................................................................................ 36
CHAPTER 3 CPU ARCHITECTURE ...................................................................................................... 47
3.1 Memory
Space ........................................................................................................................... 47
3.1.1 Internal
program memory space ................................................................................................... 54
3.1.2 Mirror area .................................................................................................................................... 57
3.1.3 Internal
data memory space ......................................................................................................... 59
3.1.4 Special
function
register (SFR) area ............................................................................................. 60
3.1.5
Extended special function register (2nd SFR: 2nd Special Function Register) area..................... 60
3.1.6 Data
memory addressing.............................................................................................................. 61
3.2 Processor
Registers ................................................................................................................. 62
3.2.1 Control
registers ........................................................................................................................... 62
3.2.2 General-purpose registers ............................................................................................................ 64
3.2.3
ES and CS registers ..................................................................................................................... 65
3.2.4 Special
function registers (SFRs) ................................................................................................. 66
3.2.5
Extended special function registers (2nd SFRs) ........................................................................... 72
Index-1