Rev. 0.50 May 18, 2006 Page x of xxx
Section 3 Floating-Point Unit (FPU)................................................................... 69
3.1
Features................................................................................................................................ 69
3.2
Data Formats........................................................................................................................ 70
3.2.1
Floating-Point Format............................................................................................. 70
3.2.2
Non-Numbers (NaN) .............................................................................................. 73
3.2.3
Denormalized Numbers .......................................................................................... 74
3.3
Register Descriptions ........................................................................................................... 75
3.3.1
Floating-Point Registers ......................................................................................... 75
3.3.2
Floating-Point Status/Control Register (FPSCR).................................................... 76
3.3.3
Floating-Point Communication Register (FPUL) ................................................... 77
3.4
Rounding.............................................................................................................................. 78
3.5
Floating-Point Exceptions.................................................................................................... 79
3.5.1
FPU Exception Sources .......................................................................................... 79
3.5.2
FPU Exception Handling ........................................................................................ 79
Section 4 Clock Pulse Generator (CPG) ............................................................. 81
4.1
Features................................................................................................................................ 81
4.2
Input/Output Pins ................................................................................................................. 85
4.3
Clock Operating Modes ....................................................................................................... 86
4.4
Register Descriptions ........................................................................................................... 91
4.4.1
Frequency Control Register (FRQCR) ................................................................... 91
4.5
Changing the Frequency ...................................................................................................... 94
4.5.1
Changing the Multiplication Rate ........................................................................... 94
4.5.2
Changing the Division Ratio................................................................................... 95
4.6
Notes on Board Design ........................................................................................................ 96
4.6.1
Note on Inputting External Clock ........................................................................... 96
4.6.2
Note on Using an External Crystal Resonator ........................................................ 96
4.6.3
Note on Resonator .................................................................................................. 97
4.6.4
Note on Using a PLL Oscillation Circuit................................................................ 97
Section 5 Exception Handling ............................................................................. 99
5.1
Overview.............................................................................................................................. 99
5.1.1
Types of Exception Handling and Priority ............................................................. 99
5.1.2
Exception Handling Operations ............................................................................ 101
5.1.3
Exception Handling Vector Table ........................................................................ 103
5.2
Resets ................................................................................................................................. 105
5.2.1
Input/Output Pins.................................................................................................. 105
5.2.2
Types of Reset ...................................................................................................... 105
5.2.3
Power-On Reset .................................................................................................... 106
Summary of Contents for Single-Chip Microcomputer SH7203
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Page 52: ...Section 1 Overview Rev 0 50 May 18 2006 Page 22 of 1588 REJ09B0313 0050 ...
Page 98: ...Section 2 CPU Rev 0 50 May 18 2006 Page 68 of 1588 REJ09B0313 0050 ...
Page 128: ...Section 4 Clock Pulse Generator CPG Rev 0 50 May 18 2006 Page 98 of 1588 REJ09B0313 0050 ...
Page 200: ...Section 6 Interrupt Controller INTC Rev 0 50 May 18 2006 Page 170 of 1588 REJ09B0313 0050 ...
Page 242: ...Section 8 Cache Rev 0 50 May 18 2006 Page 212 of 1588 REJ09B0313 0050 ...
Page 400: ...Section 9 Bus State Controller BSC Rev 0 50 May 18 2006 Page 370 of 1588 REJ09B0313 0050 ...
Page 696: ...Section 13 Watchdog Timer WDT Rev 0 50 May 18 2006 Page 666 of 1588 REJ09B0313 0050 ...
Page 726: ...Section 14 Realtime Clock RTC Rev 0 50 May 18 2006 Page 696 of 1588 REJ09B0313 0050 ...
Page 876: ...Section 17 I2 C Bus Interface 3 IIC3 Rev 0 50 May 18 2006 Page 846 of 1588 REJ09B0313 0050 ...
Page 1054: ...Section 21 D A Converter DAC Rev 0 50 May 18 2006 Page 1024 of 1588 REJ09B0313 0050 ...
Page 1294: ...Section 24 LCD Controller LCDC Rev 0 50 May 18 2006 Page 1264 of 1588 REJ09B0313 0050 ...
Page 1386: ...Section 26 I O Ports Rev 0 50 May 18 2006 Page 1356 of 1588 REJ09B0313 0050 ...
Page 1512: ...Section 30 List of Registers Rev 0 50 May 18 2006 Page 1482 of 1588 REJ09B0313 0050 ...
Page 1598: ...Section 31 Electrical Characteristics Rev 0 50 May 18 2006 Page 1568 of 1588 REJ09B0313 0050 ...
Page 1606: ...Appendix Rev 0 50 May 18 2006 Page 1576 of 1588 REJ09B0313 0050 ...
Page 1618: ...Rev 0 50 May 18 2006 Page 1588 of 1588 REJ09B0313 0050 ...
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Page 1622: ...SH7203 Group Hardware Manual ...