Panasonic MN103S

Chapter 6
ROM Correction
VI - 2 Overview
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
6.1.2 Block Diagram
■ ROM Correction Block Diagram
Figure:6.1.1 ROM Correction Block Diagram
ROM correction
Channel 4 channels
Change byte 8 byte / 1 channel
Address
comparator
ROM correction
Microcontroller
core
Internal ROM
Internal ROM access address
ROM correction channel 3
ROM correction channel 2
ROM correction channel 1
ROM correction channel
RCR0AR
RCR0DR
Internal ROM read data bus
Channel 0
address
match
detection