Manual Style
Warning: The term
reserved
describes certain signals, bits, and registers that should not be changed.
Use of reserved areas can cause compatibility problems, loss of data, or permanent damage to the
hardware. When the contents of a register are changed, the state of the reserved bits must be preserved.
When possible, read the register first and change only the bits that must be changed.
In this manual, some signals are represented in a small, all-capital-letter format (
-ACK). A minus sign in
front of the signal indicates that the signal is active low. No sign in front of the signal indicates that the
signal is active high.
The use of the letter “h” indicates a hexadecimal number. Also, when numerical modifiers such as “K”,
“M” and “G“ are used, they typically indicate powers of 2, not powers of 10. For example, 1 KB equals
1024 bytes (2
10
), 1 MB equals 1 048 576 bytes (2
20
), and 1 GB equals 1073741824 bytes (2
30
).
When expressing storage capacity, MB equals 1000 KB (1024000). The value is determined by counting
the number of sectors and assuming that every two sectors equals 1 KB.
Note: Depending on the operating system and other system requirements, the storage capacity available
to the user might vary.
Preface ix
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