
Rev. 4.00, 03/04, page xxiv of xlvi
7.2.2
7.2.3
7.2.4
7.2.5
7.2.6
7.2.7
7.2.8
7.2.9
7.2.10 Execution Times Break Register (BETR)............................................................ 145
7.2.11 Branch Source Register (BRSR).......................................................................... 146
7.2.12 Branch Destination Register (BRDR).................................................................. 147
7.2.13 Break ASID Register A (BASRA)....................................................................... 147
7.2.14 Break ASID Register B (BASRB)....................................................................... 148
Operation .......................................................................................................................... 148
7.3.1
Flow of the User Break Operation....................................................................... 148
7.3.2
Break on Instruction Fetch Cycle......................................................................... 149
7.3.3
Break by Data Access Cycle................................................................................ 149
7.3.4
Sequential Break.................................................................................................. 150
7.3.5
Value of Saved Program Counter ........................................................................ 150
7.3.6
PC Trace.............................................................................................................. 151
7.3.7
Usage Examples................................................................................................... 153
Usage Note........................................................................................................................ 156
Break Address Mask Register A (BAMRA)........................................................ 138
Break Bus Cycle Register A (BBRA).................................................................. 138
Break Address Register B (BARB) ..................................................................... 139
Break Address Mask Register B (BAMRB)........................................................ 140
Break Data Register B (BDRB)........................................................................... 140
Break Data Mask Register B (BDMRB).............................................................. 140
Break Bus Cycle Register B (BBRB).................................................................. 141
Break Control Register (BRCR).......................................................................... 142
7.3
7.4
Section 8 Bus State Controller (BSC)...............................................................159
8.1
Feature .............................................................................................................................. 159
8.2
Input/Output Pin................................................................................................................ 161
8.3
Area Overview.................................................................................................................. 162
8.3.1
PCMCIA Support ................................................................................................ 165
8.4
Register Description.......................................................................................................... 169
8.4.1
Bus Control Register 1 (BCR1)........................................................................... 169
8.4.2
Bus Control Register 2 (BCR2)........................................................................... 172
8.4.3
Wait State Control Register 1 (WCR1)................................................................ 174
8.4.4
Wait State Control Register 2 (WCR2)................................................................ 177
8.4.5
Individual Memory Control Register (MCR) ...................................................... 180
8.4.6
PCMCIA Control Register (PCR)........................................................................ 185
8.4.7
Synchronous DRAM Mode Register (SDMR).................................................... 188
8.4.8
Refresh Timer Control/Status Register (RTCSR)................................................ 188
8.4.9
Refresh Timer Counter (RTCNT)........................................................................ 191
8.4.10 Refresh Time Constant Register (RTCOR) ......................................................... 191
8.4.11 Refresh Count Register (RFCR).......................................................................... 192
8.5
Operation .......................................................................................................................... 192
8.5.1
Endian/Access Size and Data Alignment............................................................. 192
8.5.2
Description of Areas............................................................................................ 197