Rev. 0.50 May 18, 2006 Page xiii of xxx
7.5
Usage Notes ....................................................................................................................... 192
Section 8 Cache..................................................................................................193
8.1
Features .............................................................................................................................. 193
8.1.1
Cache Structure..................................................................................................... 193
8.2
Register Descriptions ......................................................................................................... 196
8.2.1
Cache Control Register 1 (CCR1) ........................................................................ 196
8.2.2
Cache Control Register 2 (CCR2) ........................................................................ 198
8.3
Operation ........................................................................................................................... 202
8.3.1
Searching Cache ................................................................................................... 202
8.3.2
Read Access .......................................................................................................... 204
8.3.3
Prefetch Operation (Only for Operand Cache) ..................................................... 204
8.3.4
Write Operation (Only for Operand Cache).......................................................... 205
8.3.5
Write-Back Buffer (Only for Operand Cache)...................................................... 205
8.3.6
Coherency of Cache and External Memory .......................................................... 207
8.4
Memory-Mapped Cache .................................................................................................... 208
8.4.1
Address Array ....................................................................................................... 208
8.4.2
Data Array ............................................................................................................ 209
8.4.3
Usage Examples.................................................................................................... 211
8.4.4
Notes ..................................................................................................................... 211
Section 9 Bus State Controller (BSC)................................................................213
9.1
Features .............................................................................................................................. 213
9.2
Input/Output Pins ............................................................................................................... 216
9.3
Area Overview ................................................................................................................... 218
9.3.1
Address Map ......................................................................................................... 218
9.3.2
Data Bus Width and Pin Function Setting in Each Area....................................... 219
9.4
Register Descriptions ......................................................................................................... 220
9.4.1
Common Control Register (CMNCR) .................................................................. 221
9.4.2
CSn Space Bus Control Register (CSnBCR) (n = 0 to 7) ..................................... 224
9.4.3
CSn Space Wait Control Register (CSnWCR) (n = 0 to 7) .................................. 229
9.4.4
SDRAM Control Register (SDCR)....................................................................... 264
9.4.5
Refresh Timer Control/Status Register (RTCSR) ................................................. 268
9.4.6
Refresh Timer Counter (RTCNT)......................................................................... 270
9.4.7
Refresh Time Constant Register (RTCOR) .......................................................... 271
9.4.8
AC Characteristics Switching Register (ACSWR) ............................................... 272
9.4.9
AC Characteristics Switching Key Register (ACKEYR) ..................................... 273
9.4.10
Sequence to Write to ACSWR.............................................................................. 274
9.5
Operation ........................................................................................................................... 275
9.5.1
Endian/Access Size and Data Alignment.............................................................. 275
Summary of Contents for Single-Chip Microcomputer SH7203
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Page 30: ...Rev 0 50 May 18 2006 Page xxx of xxx ...
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 ...