4513_03 Datasheet, PDF (6/210 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCOMPUTER

Table of contents
Table of contents
CHAPTER 1 HARDWARE
DESCRIPTION ................................................................................................................................ 1-3
FEATURES ...................................................................................................................................... 1-3
APPLICATION ................................................................................................................................ 1-3
PIN CONFIGURATION .................................................................................................................. 1-4
BLOCK DIAGRAM ......................................................................................................................... 1-6
PERFORMANCE OVERVIEW ....................................................................................................... 1-8
PIN DESCRIPTION ........................................................................................................................ 1-9
MULTIFUNCTION ................................................................................................................... 1-10
CONNECTIONS OF UNUSED PINS ................................................................................... 1-10
PORT FUNCTION .................................................................................................................. 1-11
DEFINITION OF CLOCK AND CYCLE ............................................................................... 1-11
PORT BLOCK DIAGRAMS ................................................................................................... 1-12
FUNCTION BLOCK OPERATIONS ........................................................................................... 1-17
CPU .......................................................................................................................................... 1-17
PROGRAM MEMOY (ROM) .................................................................................................. 1-20
DATA MEMORY (RAM) ......................................................................................................... 1-21
INTERRUPT FUNCTION ....................................................................................................... 1-22
EXTERNAL INTERRUPTS .................................................................................................... 1-26
TIMERS ................................................................................................................................... 1-29
WATCHDOG TIMER .............................................................................................................. 1-35
SERIAL I/O.............................................................................................................................. 1-36
A-D CONVERTER .................................................................................................................. 1-41
VOLTAGE COMPARATOR.................................................................................................... 1-47
RESET FUNCTION ................................................................................................................ 1-49
VOLTAGE DROP DETECTION CIRCUIT ........................................................................... 1-52
RAM BACK-UP MODE .......................................................................................................... 1-53
CLOCK CONTROL ................................................................................................................. 1-57
ROM ORDERING METHOD ....................................................................................................... 1-58
LIST OF PRECAUTIONS ............................................................................................................ 1-59
SYMBOL ........................................................................................................................................ 1-62
LIST OF INSTRUCTION FUNCTION ........................................................................................ 1-63
INSTRUCTION CODE TABLE.................................................................................................... 1-66
MACHINE INSTRUCTIONS ........................................................................................................ 1-70
CONTROL REGISTERS .............................................................................................................. 1-84
BUILT-IN PROM VERSION ........................................................................................................ 1-88
4513/4514 Group User’s Manual
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