MC68020FE33E Freescale Semiconductor, MC68020FE33E Datasheet - Page 300
MC68020FE33E
Manufacturer Part Number
MC68020FE33E
Description
IC MICROPROCESSOR 32BIT 132CQFP
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68020EH16E.pdf
(306 pages)
Specifications of MC68020FE33E
Processor Type
M680x0 32-Bit
Speed
33MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
132-CQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
MC68020FE33E
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MC68020FE33E1E30G
Manufacturer:
MOT
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5 510
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APPENDIX A
INTERFACING AN MC68EC020 TO A DMA DEVICE
THAT SUPPORTS A THREE-WIRE BUS ARBITRATION
PROTOCOL
The MC68EC020 supports a two-wire bus arbitration protocol; however, it may become
necessary to interface the MC68EC020 to a device that supports a three-wire arbitration
protocol. Figure A-1 shows a method by which this can be achieved.
MOTOROLA
MC68EC020
MC68EC020 (Two-Wire) to DMA (Three-Wire)
BGACK
BR
(DMA)
BG
(MC68EC020)
(DMA)
Freescale Semiconductor, Inc.
Figure A-1. Bus Arbitration Circuit—
For More Information On This Product,
BR
BG
74LS04
Go to: www.freescale.com
M68020 USER’S MANUAL
74LS04
D
CLK
74LS08
74F74
CLR
PR
4
+5 V
Q
Q
BR
(MC68EC020)
BG
(DMA)
BR
BG
BGACK
DMA
A- 1
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