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Rev. 4.00 Sep. 14, 2005 Page xiv of l
3.1.5
Shift Operations .................................................................................................... 109
3.1.6
Most Significant Bit Detection Operation ............................................................ 112
3.1.7
Rounding Operation.............................................................................................. 115
3.1.8
Overflow Protection.............................................................................................. 117
3.1.9
Data Transfer Operation ....................................................................................... 118
3.1.10
Local Data Move Instruction ................................................................................ 122
3.1.11
Operand Conflict .................................................................................................. 123
3.2
DSP Addressing................................................................................................................. 124
3.2.1
DSP Repeat Control.............................................................................................. 124
3.2.2
DSP Data Addressing ........................................................................................... 132
Section 4 Clock Pulse Generator (CPG) ........................................................... 143
4.1
Features.............................................................................................................................. 143
4.2
Input/Output Pins ............................................................................................................... 146
4.3
Clock Operating Modes ..................................................................................................... 146
4.4
Register Descriptions ......................................................................................................... 149
4.4.1
Frequency Control Register (FRQCR) ................................................................. 149
4.5
Changing the Frequency .................................................................................................... 151
4.5.1
Changing the Multiplication Rate ......................................................................... 151
4.5.2
Changing the Division Ratio................................................................................. 151
4.6
Notes on Board Design ...................................................................................................... 152
Section 5 Watchdog Timer (WDT) ................................................................... 155
5.1
Features.............................................................................................................................. 155
5.2
Register Descriptions ......................................................................................................... 156
5.2.1
Watchdog Timer Counter (WTCNT).................................................................... 156
5.2.2
Watchdog Timer Control/Status Register (WTCSR)............................................ 157
5.2.3
Notes on Register Access ..................................................................................... 159
5.3
Use of the WDT................................................................................................................. 159
5.3.1
Canceling Standbys .............................................................................................. 159
5.3.2
Changing the Frequency ....................................................................................... 160
5.3.3
Using Watchdog Timer Mode .............................................................................. 160
5.3.4
Using Interval Timer Mode .................................................................................. 161
5.4
Precautions to Take when Using the WDT........................................................................ 161
Section 6 Power-Down Modes .......................................................................... 163
6.1
Features.............................................................................................................................. 163
6.1.1
Power-Down Modes ............................................................................................. 163
6.1.2
Reset ..................................................................................................................... 164
6.1.3
Input/Output Pins.................................................................................................. 165
Summary of Contents for HD6417641
Page 2: ...Rev 4 00 Sep 14 2005 Page ii of l...
Page 7: ...Rev 4 00 Sep 14 2005 Page vii of l...
Page 11: ...Rev 4 00 Sep 14 2005 Page xi of l USB Universal serial bus WDT Watch dog timer...
Page 12: ...Rev 4 00 Sep 14 2005 Page xii of l...
Page 28: ...Rev 4 00 Sep 14 2005 Page xxviii of l...
Page 204: ...Section 4 Clock Pulse Generator CPG Rev 4 00 Sep 14 2005 Page 154 of 982 REJ09B0023 0400...
Page 212: ...Section 5 Watchdog Timer WDT Rev 4 00 Sep 14 2005 Page 162 of 982 REJ09B0023 0400...
Page 228: ...Section 6 Power Down Modes Rev 4 00 Sep 14 2005 Page 178 of 982 REJ09B0023 0400...
Page 246: ...Section 8 X Y Memory Rev 4 00 Sep 14 2005 Page 196 of 982 REJ09B0023 0400...
Page 318: ...Section 11 User Break Controller UBC Rev 4 00 Sep 14 2005 Page 268 of 982 REJ09B0023 0400...
Page 454: ...Section 12 Bus State Controller BSC Rev 4 00 Sep 14 2005 Page 404 of 982 REJ09B0023 0400...
Page 504: ...Section 14 U Memory Rev 4 00 Sep 14 2005 Page 454 of 982 REJ09B0023 0400...
Page 566: ...Section 17 Compare Match Timer CMT Rev 4 00 Sep 14 2005 Page 516 of 982 REJ09B0023 0400...
Page 868: ...Section 21 A D Converter Rev 4 00 Sep 14 2005 Page 818 of 982 REJ09B0023 0400...
Page 914: ...Section 23 I O Ports Rev 4 00 Sep 14 2005 Page 864 of 982 REJ09B0023 0400...
Page 956: ...Section 24 List of Registers Rev 4 00 Sep 14 2005 Page 906 of 982 REJ09B0023 0400...
Page 1016: ...Section 25 Electrical Characteristics Rev 4 00 Sep 14 2005 Page 966 of 982 REJ09B0023 0400...
Page 1024: ...Appendix Rev 4 00 Sep 14 2005 Page 974 of 982 REJ09B0023 0400...
Page 1032: ...Rev 4 00 Sep 14 2005 Page 982 of 982 REJ09B0023 0400 X X Y data addressing 52 X Y memory 193...
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