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HD6417760BP200D Datasheet(PDF) 8 Page - Renesas Technology Corp |
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HD6417760BP200D Datasheet(HTML) 8 Page - Renesas Technology Corp |
8 / 1345 page Rev. 1.0, 02/03, page vi of xlviii Contents Section 1 Overview ........................................................................................... 1 1.1 Features ............................................................................................................................. 2 1.2 Block Diagram .................................................................................................................. 10 1.3 Pin Arrangement ............................................................................................................... 11 1.4 Pin Description.................................................................................................................. 12 1.5 Pin Function ...................................................................................................................... 21 Section 2 Programming Model.......................................................................... 29 2.1 Data Formats..................................................................................................................... 29 2.2 Register Descriptions ........................................................................................................ 30 2.2.1 Privileged Mode and Banks ................................................................................. 30 2.2.2 General Registers ................................................................................................. 33 2.2.3 Control Registers ................................................................................................. 34 2.2.4 System Registers.................................................................................................. 36 2.2.5 FPU Registers ...................................................................................................... 36 2.3 Memory-Mapped Registers............................................................................................... 36 2.4 Data Formats..................................................................................................................... 37 2.4.1 Data Format in Registers ..................................................................................... 37 2.4.2 Data Formats in Memory ..................................................................................... 37 2.5 Processing States............................................................................................................... 38 2.6 Processing Modes ............................................................................................................. 40 Section 3 Floating-Point Unit (FPU) ................................................................. 41 3.1 Features ............................................................................................................................. 41 3.2 Data Formats..................................................................................................................... 41 3.2.1 Floating-Point Format.......................................................................................... 41 3.2.2 Non-Numbers (NaN) ........................................................................................... 43 3.2.3 Denormalized Numbers ....................................................................................... 44 3.3 Register Descriptions ........................................................................................................ 45 3.3.1 Floating-Point Registers....................................................................................... 45 3.3.2 Floating-Point Status/Control Register (FPSCR)................................................. 47 3.3.3 Floating-Point Communication Register (FPUL) ................................................ 48 3.4 Rounding........................................................................................................................... 49 3.5 Floating-Point Exceptions................................................................................................. 49 3.5.1 General FPU Disable Exceptions and Slot FPU Disable Exceptions................... 49 3.5.2 FPU Exception Sources ....................................................................................... 49 3.5.3 FPU Exception Handling ..................................................................................... 50 3.6 Graphics Support Functions.............................................................................................. 52 3.6.1 Geometric Operation Instructions ........................................................................ 52 |
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