Panasonic MN103001G/F01K User Manual Page 140
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Bus Controller (BC)
8-26
8.7 Space Partitioning
In extension memory mode (MMOD 1 to 0 = "LH"), the 1 GB memory space from x'80000000 to x'BFFFFFFF
becomes external memory space; in processor mode (MMOD 1 to 0 = "HL"), the 2 GB memory space from
x'40000000 to x'BFFFFFFF becomes external memory space. External memory space is partitioned into 4 blocks
(block 0 to block 3). When any of these blocks are accessed, various signals (such as CSn) corresponding to the
block in question are output. Fig. 8-7-1 shows the address format for external memory accesses, and Fig. 8-7-2
shows the memory map.
In addition, if it is necessary to extend the external memory space, extension address A23 (dual-purpose pin that is
shared with CS3) can be used to extend the memory space. (There is no portion for address extension for block 3.)
Fig. 8-7-1 Address Format When Accessing External Memory
In addition, the features of each block are described in Table 8-7-1. The various settings for each block are made
through the memory block 0 to 3 control registers and, when DRAM is connected, through the DRAM control
register.
Table 8-7-1 Features of Each Block
Block DRAM Bus Wait Mode Output signal used for Address data pins
connection width block identification separate/multiplex
Block 0 Not 8/16 Fixed Synchronous CS0 Permitted
permitted /asynchronous
Block 1 Permitted 8/16 Fixed Synchronous CS1 or RAS1 Permitted
/asynchronous
Block 2 Permitted 8/16 Fixed/handshaking Synchronous CS2 or RAS2 Permitted
/asynchronous
Block 3 Not 8/16 Fixed/handshaking Synchronous CS3 Permitted
Permitted /asynchronous
For details, refer to the descriptions of memory control registers 0A/B, 1A/B, 2A/B, and 3A/B in section 8.6,
“Description of Registers.”
Note 1. Handshaking can only be used in synchronous mode.
2. Connected DRAM can only be used when address and data are separate.
Address
31 30 29 28 27 26 25 24 23 22
Space partition
unused unused
Block partition
External address (8 MB space)
0
Extension address
00 : Block0
01 : Block1
10 : Block2
11 : Block3
00: Internal memory
01: Internal memory (when MMOD 1 to 0 = “LH”), External memory (when MMOD 1 to 0 = “HL”)
10: External memory
11: Access prohibited
- MN103001G/F01K 1
- LSI User’s Manual 1
- Table of Contents 10
- 7. Internal Memory 11
- 8. Bus Controller (BC) 11
- 9. Interrupt Controller 12
- 10. 8-bit Timers 12
- 11. 16-bit Timers 13
- 12. Watchdog Timer 13
- 13. Serial Interface 13
- 14. A/D Converter 14
- 15. I/O Ports 14
- 16. Internal Flash Memory 15
- 17. Ordering Mask ROM 15
- Appendix 15
- List of Figures and Tables 16
- List of Tables 23
- 1. General Specifications 27
- 1.1 Overview 28
- 1.2 Features 28
- _____________ 29
- TOP VIEW 31
- General Specifications 32
- Table 1-4-1 Pin Assignments 32
- 2.2 Block Diagram 37
- 2.3 Programming Model 38
- LD EXT DROM ROM 42
- USE WAIT W WAIT 42
- Reset 00000 0000 000 0 00 0 43
- 2.4 Instructions 44
- 2.5 Interrupts 48
- 1413121110987654321 51
- 3 Cycles 54
- Operation extension interface 58
- 3.2 Extension Instructions 59
- Bit 31 Bit 0 60
- 10000000000000000 83
- Dm[31:24] 84
- Dm[23:16] Dm[15:8] Dm[7:0] 84
- Multiply-and 88
- MCRH, MCRL access instruction 89
- 4. Memory Modes 97
- MN103001G 99
- /MN1030F01K 99
- Memory Modes 102
- 5. Operating Mode 103
- 5.1 Overview 104
- 5.2 Reset Mode 105
- 5.3 Low Power Mode 106
- 6. Clock Generator 107
- 6.1 Overview 108
- 6.2 Features 108
- 6.3 Block Diagram 108
- 6.4 Description of Operation 109
- SYSCLK MCLK IOCLK 110
- 7.1 Overview 112
- 7.2 Features 112
- CPU core 113
- Internal Memory 114
- 8.1 Overview 116
- 8.2 Features 116
- 8.3 Bus Configuration 117
- 8.4 Block Diagram 117
- 8.5 Pin Functions 119
- 8.6 Description of Registers 121
- Settings other than those 122
- CAO (ADE)+CAS (REN) 127
- ≥ WEN 11111: 31MCLK 127
- Reset 1 1 11111111111111 137
- 31 30 29 28 27 26 25 24 23 22 140
- External address (8 MB space) 140
- Extension address 140
- Bus Controller (BC) 141
- Processor mode 141
- Extension memory mode 141
- 8.8 Operation Clocks 142
- 8.9 Mode Settings 142
- 4 2 1 1/2 143
- Internal Read 143
- 6 to 9 6 to 9 6 to 9 6 143
- 8.11 Store Buffer 144
- DK detection start 149
- Consumed internally 157
- Consumed internally by the BC 157
- “Description of Registers.” 164
- A[0]=1 data outdata outA[0]=0 167
- “0”( )“L” 167
- “0”(“L”) 168
- “0” (“L”) 175
- Row Column ColumnRow 178
- Refresh count value 183
- 8.15 Bus Arbitration 184
- 8.16 Cautions 187
- 9.1 Overview 190
- 9.2 Features 190
- 9.3 System Diagram 190
- 9.4 Block Diagram 191
- Interrupt control 192
- 9.5 Description of Registers 194
- Bit No.1514131211109876543210 198
- 9.6 Description of Operation 218
- Interrupt Controller 220
- 10.1 Overview 222
- 10.2 Features 222
- 10.3 Block Diagram 223
- 8-bit Timers 224
- 10.4 Functions 229
- 10.5 Description of Registers 230
- Bit No.76543210 237
- Reset 0 0 0 0 0 0 0 0 237
- 10.6 Description of Operation 240
- TMnBR value TMnBR value-1 245
- 10.6.3 Cascaded Connection 246
- TM0BR value 250
- TM0BR value-1 250
- TM1BR value 250
- TM1BR value - 1 250
- 11.1 Overview 256
- 11.2 Features 256
- 11.3 Block Diagram 257
- 16-bit Timers 258
- I/O port block 259
- Timer 13 259
- Timer 12 259
- Timer 11 259
- Timer 10 259
- (TM10CB) 260
- 11.4 Functions 261
- 11.5 Description of Registers 262
- TM10CA valueTM10CA value-1 273
- TM10CA value-2 273
- Pin input 274
- (TM10IOA) 274
- TM10BC overflow 276
- Don' t Care 277
- TM10BC value 281
- TM10CNE flag 281
- Change in the value 283
- TMnBR value -1 291
- 12.1 Overview 294
- 12.2 Features 294
- 12.3 Block Diagram 295
- 12.4 Description of Registers 296
- (n + WDCK x 2) 299
- Watchdog Timer 300
- SYSCLK 255-cycle width 301
- 13.1 Overview 304
- I/O Port Block 307
- Interrupt request 313
- Bi-directional transfer 316
- Undirectional transfer 316
- Start sequence resend 325
- Serial interface n 327
- (n = 1, 2) 327
- Serial interface 3 339
- Bit No. 7 6 543210 345
- Reset 0 0 000000 345
- Access RRRRRRRR 345
- Serial Interface 349
- 10-bit sequential 356
- Selector 356
- 14.2 Features 357
- 14.3 Block Diagram 358
- 14.4 Description of Registers 359
- 14.5 Description of Operation 361
- ■ Operating mode selection 361
- Sampling cycle 365
- 15.1 Overview 368
- 15.2 Port 0 372
- Access R R R R R R/W R/W R/W 373
- 15.3 Port 1 376
- I/O Ports 377
- 15.4 Port 2 381
- 15.5 Port 3 385
- 15.6 Port 4 388
- I/O Ports 390
- Access R R R/W R/W R/W R R R 393
- 15.7 Port 5 395
- Bit No. 76543210 402
- Reset 00111111 402
- 15.8 Port 6 404
- 15.9 Port 7 407
- Bit name ----P73S - - 409
- Access RRRRR/WRRR 409
- 15.10 Port 8 411
- 15.11 Port 9 414
- Reset 01100000 417
- 15.12 Port A 419
- 15.13 Port B 423
- 15.14 Port C 427
- Pin name Treatment 430
- 16.1 Overview 432
- 16.2 Features 432
- 16.3 Block Diagram 432
- Internal Flash Memory 435
- Internal Flash Memory 436
- Table 16-5-2 Pin Functions 436
- 16.6 On-board Write Mode 438
- 17.1 Overview 440
- Ordering Mask ROM 441
- Ordering Mask ROM 442
- Appendix-2 444
- Appendix-3 445
- Appendix-4 446
- Appendix-5 447
- Appendix B. Instruction Set 447
- Appendix-6 448
- Appendix-7 449
- Appendix-8 450
- Appendix-9 451
- Appendix-10 452
- Appendix-12 454
- Appendix-13 455
- Corrections 458
- Note) n= 0, 1, 2, 3 462
- LSI User's Manual 465
- SALES OFFICES 466
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