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NS7520 Hardware Reference, Rev. D 03/2006
What’s in this guide
This table shows where you can find specific information in this guide:
Conventions used in this guide
This table describes the typographic conventions used in this guide:
To read about See
NS7520 key features Chapter 1, "About the NS7520"
NS7520 ball grid array assignments & packaging Chapter 2, "Pinout and Packaging"
NS7520 CPU and ARM Thumb concept Chapter 3, "Working with the CPU"
BBus functionality Chapter 4, "BBus Module"
System functionality Chapter 5, "SYS Module"
General (GEN) module functionality Chapter 6, "GEN Module"
How the NS7520 can be configured to interface
with different types of memory devices
Chapter 7, "Memory Controller Module"
DMA controller, supported DMA channels, and
internal and external DMA transfers
Chapter 8, "DMA Module"
Ethernet controller module Chapter 9, "Ethernet Module"
Serial channels A and B Chapter 10, "Serial Controller Module"
NS7520 timing information and diagrams Chapter 11, "Electrical Characteristics"
This convention Is used for
italic type Emphasis, new terms, variables, and document titles.
monospaced type
Filenames, pathnames, and code examples.
_ (underscore) Defines a signal as being active low.
‘b Indicates that the number following this indicator is in binary radix
‘d Indicates that the number following this indicator is in decimal radix
‘h Indicates that the number following this indicator is in hexadecimal radix