Conventions
Various typographical conventions have been used in this book, as follows:
• Normal assembly program codes:
• Assembly code in generalized syntax; items inside < > must be replaced by read register names:
• C program codes:
• Pseudo code:
• Values:
1. 4’hC, 0x123 are both hexadecimal values
2. #3 indicates item number 3 (e.g., IRQ #3 means IRQ number 3)
3. #immed_12 refers to 12-bit immediate data
4. Register bits
Typically used to illustrate a part of a value based on bit position. For example, bit[15:12] means bit number 15 down to 12.
• Register access types:
1. R is Read only
2. W is Write only
3. R/W is Read or Write accessible
4. R/Wc is Readable and clear by a Write access
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