Block Diagram; Fig. 2-2-1 Cpu Core Block Diagram - Panasonic MN103001G/F01K User Manual

2.2 Block Diagram

The block diagram for this microcontroller, focusing on the CPU, is shown below.
Address register
User
extension
function unit
Data register
A0
D0
SP
A1 D1
MDR
A2 D2
PSW
A3 D3
Barrel
AU LU
shifter
Operand address
Internal
data RAM
External interface
Fig. 2-2-1 CPU Core Block Diagram
Program
counter
AU
block
Operand data
Instruction address
Bus contol block
CPU
Instruction
execution
control block
Instruction
decoder
Interrupt
Instruction
control
queue
block
Instruction
Internal
instruction ROM/
Internal flash
memory
Internal
peripheral
function
2-3