Overview; Functions; Block Diagram - Panasonic MN103S User Manual

Chapter 6
ROM Correction

6.1 Overview

ROM correction provides the function to replace incorrect instructions and data stored in the internal ROM with
correct ones.
This ROM correction function has 4 channels, each of which can correct 8 bytes of data from a desired address in
the internal ROM.
6.1.1

Functions

Channel
Change byte
6.1.2

Block Diagram

ROM Correction Block Diagram
Microcontroller
core
VI - 2 Overview
ROM correction
4 channels
8 byte / 1 channel
Internal ROM access address
ROM correction channel 3
ROM correction channel 2
ROM correction channel 1
ROM correction channel
RCR0AR
Address
comparator
Channel 0
address
match
detection
Figure:6.1.1 ROM Correction Block Diagram
ROM correction
RCR0DR
Internal ROM read data bus
Internal ROM