Introduction
Élan™SC520 Microcontroller User’s Manual xxvii
h Hexadecimal number
x in register address
Any of several legal values; e.g., using 0xF8h for the UART
Transmit Holding register is either 02F8h or 03F8h, depending
on the UART
[X–Y]
The bit field that consists of bits X through Y.
Example: The SB_ADDR[23–16] bit field.
33 MHz
Refers to the system clock frequency being used. This can be
either 33.000 MHz or 33.333 MHz. See the
Élan™SC520
Microcontroller User’s Manual
for more information about clock
generation.
General
field Bit field in a register (one or more consecutive and related bits)
can It is possible to perform an action if properly configured
will A certain action is going to occur
Set the ENB bit.
Write the ENB bit to 1.
Note: The bit referred to is either in the register being described,
or the register is referred to explicitly in the surrounding text.
Clear the ENB bit.
Change the ENB bit to 0. Usually a bit is cleared by writing a 0
to it; however, some bits are cleared by writing a 1.
Reset the ENB bit.
Context-sensitive. Can refer either to resetting the bit to its
default value or to clearing the bit.
Table 0-1 Documentation Notation (Continued)
Notation Meaning
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