MC68040FE25A Freescale Semiconductor, MC68040FE25A Datasheet - Page 207
![no-image](/images/manufacturer_photos/0/2/262/freescale_semiconductor_sml.jpg)
MC68040FE25A
Manufacturer Part Number
MC68040FE25A
Description
IC MICROPROCESSOR 32BIT 184-CQFP
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68EC040FE33A.pdf
(442 pages)
Specifications of MC68040FE25A
Processor Type
M680x0 32-Bit
Speed
25MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
184-CQFP
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
Surface Mount
Pin Count
184
Package Type
CQFP
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:
MC68040FE25A
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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7.10 RESET OPERATION
An external device asserts the reset input signal (RSTI) to reset the processor. When
power is applied to the system, external circuitry should assert RSTI for a minimum of 10
BCLK cycles after V
the power-on reset operation, illustrating the relationships among V
selects, and bus signals. The BCLK and PCLK clock signals are required to be stable by
the time V
MOTOROLA
CC
Figure 7-43. Snooped Long-Word Write, Memory Inhibited
reaches the minimum operating specification. The V
SIZ1, SIZ0
SC1, SC0
*
AM_BG
TT1, TT0
AM_BR
D31–D0
A31–A0
AM indicates the alternate bus master.
BCLK
R/W
BR
BG
TA
BB
TS
MI
*
*
CC
Freescale Semiconductor, Inc.
is within tolerance. Figure 7-44 is a functional timing diagram of
C1
For More Information On This Product,
C2
Go to: www.freescale.com
MEMORY INHIBITED FROM RESPONDING
M68040 USER’S MANUAL
ALTERNATE MASTER
LONG-WORD WRITE
C3
TA DRIVEN BY PROCESSOR
DATA WRITTEN BY ALTERNATE BUS MASTER
C4
C5
C6
IH
PROCESSOR
levels of the clocks
CC
, RSTI, mode
7- 65
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