Lucent Technologies MN10285K - Manual (Page 29)

General Description
Block Diagram
Panasonic Semiconductor Development Company MN102H75K/F75K/85K/F85K LSI User Manual
28
Panasonic
1.5 Block Diagram
Figure 1-8 Functional Block Diagram
A1
A0
A3
A2
D1
D0
D3
D2
MDR
T1
T2 Clock
generator
Clock
source
Instruction execution
controller
Instruction decoder
Quick decoder
Interrupt
controller
Instruction
queue
Peripherals extension bus
Interrupt bus
Internal peripheral
functions
BG BR
External extension bus
External interface
RAM bus
Internal RAM Internal ROM
ROM bus
B u s c o n t r o l l e r
Operand address Program address
Program
Counter
Incrementer
ALU
Address registers Data registers
A
B
Multiplier
PSW
Multiplication/Division Register