Hitachi SH7751 Hardware Manual page 25

Superh risc engine
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Figure 13.62
MPX Interface Timing 3
(Burst Write Cycle, AnW = 0, No External Wait, Bus Width: 32 Bits,
Transfer Data Size: 64 Bits)............................................................................. 445
Figure 13.63
MPX Interface Timing 4
(Burst Write Cycle, AnW = 1, One External Wait Inserted, Bus Width: 32 Bits,
Transfer Data Size: 64 Bits)............................................................................. 446
Figure 13.64
MPX Interface Timing 5
(Burst Read Cycle, AnW = 0, No External Wait, Bus Width: 32 Bits,
Transfer Data Size: 32 Bytes) .......................................................................... 447
Figure 13.65
MPX Interface Timing 6
(Burst Read Cycle, AnW = 0, External Wait Control, Bus Width: 32 Bits,
Transfer Data Size: 32 Bytes) .......................................................................... 448
Figure 13.66
MPX Interface Timing 7
(Burst Write Cycle, AnW = 0, No External Wait, Bus Width: 32 Bits,
Transfer Data Size: 32 Bytes) .......................................................................... 449
Figure 13.67
MPX Interface Timing 8
(Burst Write Cycle, AnW = 1, External Wait Control, Bus Width: 32 Bits,
Transfer Data Size: 32 Bytes) .......................................................................... 450
Example of 52-Bit Data Width Byte Control SRAM....................................... 451
Byte Control SRAM Basic Read Cycle (No Wait) .......................................... 452
Wait) ................................................................................................................ 454
Waits between Access Cycles.......................................................................... 456
Arbitration Sequence ....................................................................................... 459
Block Diagram of DMAC................................................................................ 466
DMAC Transfer Flowchart.............................................................................. 485
Round Robin Mode.......................................................................................... 491
Data Flow in Single Address Mode ................................................................. 494
DMA Transfer Timing in Single Address Mode ............................................. 495
Operation in Dual Address Mode .................................................................... 496
Example of Transfer Timing in Dual Address Mode....................................... 497
Example of DMA Transfer in Cycle Steal Mode............................................. 498
Example of DMA Transfer in Burst Mode ...................................................... 498
Bus Handling with Two DMAC Channels Operating ..................................... 502


Figure 14.14
Dual Address Mode/Burst Mode External Bus

Rev. 3.0, 04/02, page xxiv of xxxviii
(Level Detection), DACK (Read Cycle) .............................................. 505
(Edge Detection), DACK (Read Cycle) ............................................... 506
(Level Detection), DACK (Read Cycle) .............................................. 507



External Bus/

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