MC68EC040RC25 Freescale Semiconductor, MC68EC040RC25 Datasheet - Page 178
MC68EC040RC25
Manufacturer Part Number
MC68EC040RC25
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68EC040RC25.pdf
(442 pages)
Specifications of MC68EC040RC25
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
25MHz
Instruction Set Architecture
RISC
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Through Hole
Pin Count
179
Package Type
PGA
Lead Free Status / Rohs Status
Supplier Unconfirmed
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68EC040RC25
Manufacturer:
MOT
Quantity:
1 259
Company:
Part Number:
MC68EC040RC25A
Manufacturer:
MOT
Quantity:
1
Part Number:
MC68EC040RC25A
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
- Current page: 178 of 442
- Download datasheet (4Mb)
7.6 BUS EXCEPTION CONTROL CYCLES
The M68040 bus architecture requires assertion of TA from an external device to signal
that a bus cycle is complete. TA is not asserted in the following cases:
External circuitry can provide TEA when no device responds by asserting TA within an
appropriate period of time after the processor begins the bus cycle. This allows the cycle
to terminate and the processor to enter exception processing for the error condition. TEA
can also be asserted in combination with TA to cause a retry of a bus cycle in error.
7-36
• The external device does not respond.
• No interrupt vector is provided.
• Various other application-dependent errors occur.
Figure 7-25. Breakpoint Interrupt Acknowledge Bus Cycle Timing
UPA1, UPA0
TM2–TM0
TT1, TT0
D31–D0
A31–A0
CIOUT
BCLK
Freescale Semiconductor, Inc.
SIZ0
SIZ1
R/W
TIP
TA
TS
For More Information On This Product,
ACKNOWLEDGE
C1
BREAKPOINT
M68040 USER’S MANUAL
Go to: www.freescale.com
BYTE
C2
C1
WRITE STACK
C2
MOTOROLA
Related parts for MC68EC040RC25
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: