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MC68302FC20 Datasheet(PDF) 46 Page - Motorola, Inc

Part No. MC68302FC20
Description  Integrated Multiprotocol Processor User’s Manual
Download  480 Pages
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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MC68302FC20 Datasheet(HTML) 46 Page - Motorola, Inc

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MC68000/MC68008 Core
2-16
MC68302 USER’S MANUAL
MOTOROLA
# Modified by the CP after a CP or system reset.
## Tx BD 4, 5, 6, and 7 are not initially available to SCC3. (See 4.5.5 Buffer Descriptors Table for
information on how they may be regained.)
In addition to the internal dual-port RAM, a number of internal registers support the functions
of the various M68000 core peripherals. The internal registers (see Table 2-9) are memory-
mapped registers offset from the BAR point1616er and are located on the internal M68000
bus.
Base + 580
Base + 5BF
SCC2
SCC2
Specific Protocol Parameters
Base + 5C0
Base + 5FF
Reserved
(Not Implemented)
Base + 600
Base + 608
Base + 610
Base + 618
Base + 620
Base + 628
Base + 630
Base + 638
Base + 640
Base + 648
Base + 650
Base + 658
Base + 660
Base + 666
Base + 668
Base + 66A
Base + 66C
Base + 66E #
Base +67A
Base +67C
Base +67E #
4 Word
4 Word
4 Word
4 Word
4 Word
4 Word
4 Word
4 Word
4 Word
4 Word
4 Word
4 Word
3 Word
Word
Word
Word
Word
6 Word
Word
Word
Word
SCC3
SCC3
SCC3
SCC3
SCC3
SCC3
SCC3
SCC3
SCC3
SCC3
SCC3
SCC3
SMC
SCC1
SCC1
SCC2
SCC2
SMC1–SMC2
SCP
SCC1–SCC3
CP
RxBD0
RxBD1
RxBD2
RxBD3
RxBD4
RxBD5
RxBD6
RxBD7
TxBD0
TxBD1
TxBD2
TxBD3 ##
Reserved
RxBD
TxBD
RxBD
TxBD
Internal Use
Rx/TxBD
BERR Channel Number
MC68302 Revision Number
Base + 680
Base + 6BF
SCC3
SCC3
Specific Protocol Parameters
Base + 6C0
Base + 7FF
Reserved
(Not Implemented)
Table 2-8. Parameter RAM


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