MC68030FE25C Freescale Semiconductor, MC68030FE25C Datasheet - Page 193
MC68030FE25C
Manufacturer Part Number
MC68030FE25C
Description
IC MPU 32BIT ENHANCED 132-CQFP
Manufacturer
Freescale Semiconductor
Specifications of MC68030FE25C
Processor Type
M680x0 32-Bit
Speed
25MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
132-CQFP
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
25MHz
Instruction Set Architecture
RISC
Supply Voltage 1 (typ)
5V
Operating Supply Voltage (max)
5.25V
Operating Supply Voltage (min)
4.75V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
132
Package Type
CQUAD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68030FE25C
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC68030FE25C
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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7-32
4) DRIVE FUNCTION CODE ON FCO-FC2
2) SET R/WTO READ
3) DRIVE ADDRESS ON AO-A31
4) DRIVE FUNCTION CODE ON FCO-FC2
5) DRIVE SIZE (SIZO-SIZ1) (FOUR BYTES)
6) CACHE INHIBIT OUT (CLOUT) BECOMES VALID
7) ASSERT ADDRESS STROBE ( ~ )
8) ASSERT DATA STROBE (O'S)
9) ASSERT DATA BUFFER ENABLE (DBEN)
2) LATCH DATA
31 NEGATE AS AND DS
4) NEGATE DBEN
2) SET R/WTO READ
3) DRIVE ADDRESS ON AO-A3"
5) DRIVE SIZE fSIZO-SlZll lONE BYTE)
6) CACHE INHIBIT OUT (CLOUT1 BECOMES VAUD
7) ASSERT ADDRESS STROBE IA'S~
81 ASSERT DATA STROBE (D'S)
9) ASSERT DATA BUFFER ENABLE (DBEN)
2t LATCH DATA
31 NEGATE AS AND OS
4~ NEGATE DBEN
1) ASSERT ECS/OCS FOR ONE-HALF CLOCK
1) SAMPLE CACHE INHIBIT IN (CIIN)
II ASSERT ECS/OCS FOR ONE-HALF CLOCK
1 SAMPLE CACHE INHIBIT IN (CIIN)
Figure 7-19. Asynchronous Long-Word Read Cycle Flowchart
Figure 7-20. Asynchronous Byte Read Cycle Flowchart
START NEXT CYCLE
START NEXT CYCLE
ADDRESS DEVICE
ADDRESS DEVICE
ACQU RE DATA
ACQUIRE DATA
PROCESSOR
PROCESSOR
MC68030 USER'S MANUAL
L
1
2) PLACE DATA ON DO-D31
3) ASSERT DATA TRANSFER AND SIZE ACKNOWLEDGE (DSACKx)
1) DECODE ADDRESS
1) REMOVE DATA FROM DO-D31
2) NEGATE DSACKx
2) PLACE DATA ON D31-D24 OR
3) ASSERT DATA TRANSFER AND SIZE ACKNOWLEDGE (DSACKx)
1) DECODE ADDRESS
1) REMOVE DATA FROM DATA BUS
2) NEGATE DSACKx
(BASED ON AO, A].CACHE, AND BUS WIDTH)
D23-D16 OR
D15-D8 DR
D7-DO
EXTERNAL DEVICE
TERMINATE CYCLE
TERMINATE CYCLE
EXTERNAL DEVICE
PRESENT DATA
PRESENT DATA
MOTOROLA
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