MC68020 Motorola, MC68020 Datasheet - Page 19

• Manufacturer Part Number: MC68020
• Description: (MC68020 / MC68EC020) MICROPROCESSORS USERS MANUAL
• Manufacturer: Motorola

MOTOROLA
*
*
32-BIT
24-Bit for MC68EC020
ADDRESS
ADDRESS
PADS
BUS
WRITE PENDING
BUFFER
SEQUENCER AND CONTROL
INSTRUCTION
BUS CONTROLLER
CONTROL LOGIC
BUS CONTROL
ADDRESS
ADDRESS
MICROBUS
SIGNALS
CONTROL
CONTROL
STORE
BUS
LOGIC
BUS
PREFETCH PENDING
Figure 1-1. MC68020/EC020 Block Diagram
BUFFER
EXECUTION UNIT
PROGRAM
COUNTER
SECTION
M68020 USER’S MANUAL
STAGE
D
INSTRUCTION PIPE
ADDRESS
SECTION
STAGE
C
INSTRUCTION
STAGE
MISALIGNMENT
SECTION
MULTIPLEXER
CACHE
B
DATA
REGISTER
HOLDING
CACHE
(CAHR)
MULTIPLEXER
DATA
PADS
SIZE
INTERNAL
DATA
BUS
32-BIT
DATA
BUS
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