mcf5307cft90b Freescale Semiconductor, Inc, mcf5307cft90b Datasheet - Page 365
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mcf5307cft90b
Manufacturer Part Number
mcf5307cft90b
Description
Mcf5307 Coldfire Integrated Microprocessor User
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MCF5307CFT90B.pdf
(484 pages)
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Chapter 17
Signal Descriptions
This chapter describes MCF5307 signals. It includes an alphabetical listing of signals,
showing multiplexing, whether it is an input or output to the MCF5307, the state at reset,
and whether a pull-up resistor should be used. The following chapter, Chapter 18, “Bus
Operation,” describes how these signals interact.
17.1 Overview
Figure 17-1 shows the block diagram of the MCF5307 with the signal interface.
The terms ‘assertion’ and ‘negation’ are used to avoid
confusion when dealing with a mixture of active-low and
active-high signals. The term ‘asserted’ indicates that a signal
is active, independent of the voltage level. The term ‘negated’
indicates that a signal is inactive.
Active-low signals, such as SRAS and TA, are indicated with
an overbar.
Freescale Semiconductor, Inc.
For More Information On This Product,
Chapter 17. Signal Descriptions
Go to: www.freescale.com
NOTE:
17-1
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