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Data type by Mind Map: Data type

1. Pre-Defined Data Types

1.1. pre-defined types

1.1.1. STD_ULOGIC & STD_ULOGIC_VECTOR

1.1.2. BIT and BIT_VECTOR

1.1.3. STD_LOGIC & STD_LOGIC_VECTOR

1.2. Pre-Defined Data Types

1.2.1. BOOLEAN

1.2.2. INTEGER

1.2.3. NATURAL

1.2.4. REAL

1.2.5. Physical literals

1.2.6. SIGNED and UNSIGNED

2. User-Defined Data Types

2.1. Scalar Types

2.1.1. Subtypes

2.1.2. Enumerated types

2.1.3. Physical types

2.2. Subtypes

2.2.1. TYPE with a constraint.

3. Subtypes

4. Arrays

4.1. 1Dx1D Arrays

4.2. 2D Arrays

5. Port Arrays

6. Records

7. Signed and Unsigned

8. Data Conversion