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鍨嬭櫉锛� MC68EC040FE33A
寤犲晢锛� Freescale Semiconductor
鏂囦欢闋佹暩(sh霉)锛� 9/442闋�
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� IC MPU 32BIT 33MHZ 184-CQFP
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 24
绯诲垪锛� M680x0
铏曠悊鍣ㄩ鍨嬶細 M680x0 32-浣�
閫熷害锛� 33MHz
闆诲锛� 5V
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
灏佽/澶栨锛� 184-BCQFP
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 184-CQFP锛�31.3x31.3锛�
鍖呰锛� 鎵樼洡
鐢�(ch菐n)鍝佺洰閷勯爜闈細 733 (CN2011-ZH PDF)
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5- 4
M68040 USER鈥橲 MANUAL
MOTOROLA
MC68040
VCC
GND
BUS ARBITRATION
BG
BR
BB
BUS SNOOP CONTROL
AND RESPONSE
M I
INTERRUPT
CONTROL
IPL03
AVEC
IPEND
PROCESSOR
CONTROL
CDIS
RSTI
RSTO
PCLK4
BCLK
TEST
TRST4
TMS
TCK
TDI
POWER SUPPLY
TDO
SC0
SC1
IPL13
IPL23
STATUS AND
CLOCKS
PST0
PST1
PST2
DATA BUS
D31鈥揇0
TRANSFER
ATTRIBUTES
MASTER
TRANSFER
CONTROL
A31鈥揂0
ADDRESS
BUS
TS
TIP
TCI
SLAVE
TRANSFER
CONTROL
TEA
TBI
R/W
LOCKE
CIOUT
TT0
TT1
TM0
TM1
TM2
TLN0
TLN1
UPA0
UPA1
SIZ0
SIZ1
LOCK
TA
DLE1
MDIS2
1. This signal is only available on the MC68040.
2. This signal is not available on the MC68EC040 and MC68EC040V.
3. These signals are different on power-up for the MC68LC040 and MC68EC040.
4. These signals are not available on the MC68040V and MC68EC040V.
NOTES:
PST3
Figure 5-1. Functional Signal Groups
5.1 ADDRESS BUS (A31鈥揂0)
These three-state bidirectional signals provide the address of the first item of a bus
transfer (except for acknowledge transfers) when the M68040 is the bus master. When an
alternate bus master is controlling the bus, the processor examines (snoops) these signals
to determine whether the processor should intervene in the access to maintain cache
coherency.
The level on CDIS can select a multiplexed bus mode during processor reset, which
allows the address bus and data bus to be physically tied together for multiplexed bus
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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鐩搁棞(gu膩n)PDF璩囨枡
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FMC40DRYS CONN EDGECARD 80POS DIP .100 SLD
ESC65DTEN CONN EDGECARD 130POS .100 EYELET
687350124422 CONN ZIF .50MM SMT TYPE A 50P
ESC65DTEH CONN EDGECARD 130POS .100 EYELET
MPC8540CVT667JC MPU POWERQUICC III 783FCPBGA
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