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2 block diagram – Panasonic MN103001G/F01K User Manual

Page 37

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2-3

CPU

2.2

Block Diagram

The block diagram for this microcontroller, focusing on the CPU, is shown below.

Fig. 2-2-1 CPU Core Block Diagram

Instruction

queue

Interrupt

control

block

Operand address

AU

LU

Barrel
shifter

AU

Program

counter

block

Instruction address

Instruction

execution

control block

Instruction

decoder

Operand data

Instruction

User

extension

function unit

Internal

peripheral

function

Bus contol block

External interface

Extension interface

Address register

Data register

D0

D1
D2

D3

SP

MDR

PSW

A0

A1
A2

A3

Internal

instruction ROM/

Internal flash

memory

Internal

data RAM