MC68EC040RC40A Freescale Semiconductor, MC68EC040RC40A Datasheet - Page 362

• Manufacturer Part Number: MC68EC040RC40A
• Description: IC MPU 32BIT 40MHZ 179-PGA
• Manufacturer: Freescale Semiconductor

Specifications of MC68EC040RC40A

• Processor Type: M680x0 32-Bit
• Speed: 40MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 179-PGA
• Lead Free Status / RoHS Status: Contains lead / RoHS Compliant
• Features: -

MC68LC040 is pin compatible with the MC68040 and the MC68EC040. Figure A-1 illus-
trates a simplified block diagram of the MC68LC040.
The main features of the MC68LC040 include:
A-2
MC68LC040
• 22 MIPS Integer Performance at 25 MHz
• Independent Instruction and Data MMUs
• 4-Kbyte Physical Instruction Cache and 4-Kbyte Physical Data Cache Accessible Si-
• 32-Bit, Nonmultiplexed External Address and Data Buses with Synchronous Interface
• User-Object-Code Compatible with All M68000 Microprocessors
• Multimaster/Multiprocessor Support Via Bus Snooping
• Concurrent Integer Unit, MMU, Bus Controller, and Bus Snooper Operation Maximizes
multaneously
Throughput
REV2.3 (01/29/2000)
INSTRUCTION
WRITE-BACK
INTEGER UNIT
CALCULATE
EFFECTIVE
EFFECTIVE
ADDRESS
ADDRESS
EXECUTE
DECODE
FETCH
FETCH
Freescale Semiconductor, Inc.
Figure A-1. MC68LC040 Block Diagram
For More Information On This Product,
INSTRUCTION MEMORY MANAGEMENT UNIT
INSTRUCTION
DATA MEMORY MANAGEMENT UNIT
INSTRUCTION DATA BUS
OPERAND DATA BUS
Go to: www.freescale.com
DATA
M68040 USER’S MANUAL
ATC
CACHE/ACCESS/SNOOP
ATC
CACHE/ACCESS/SNOOP
INSTRUCTION
CONTROLLER
CONTROLLER
DATA
INSTRUCTION
CACHE
CACHE
DATA
INSTRUCTION
ADDRESS
ADDRESS
DATA
B
U
S
C
O
N
T
R
O
L
L
E
R
CONTROL
ADDRESS
SIGNALS
DATA
BUS
BUS
BUS
MOTOROLA