r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 508
r8a77850anbg
Manufacturer Part Number
r8a77850anbg
Description
Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R8A77850ANBG.pdf
(1692 pages)
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12. DDR2-SDRAM Interface (DBSC2)
Rev.1.00 Jan. 10, 2008 Page 478 of 1658
REJ09B0261-0100
Figure 12.4 Addresses Generated upon 16/32-Byte Access when the External Data Bus
When the external bus width is set to 32 bits
32-byte read access (a total of two commands are issued)
32-byte write access (a total of two commands are issued)
Address 16n + 0
Address 16n + 8
16-byte read/write access (a total of one command is issued)
Address 32n + 0
Address 32n + 8
Address 32n + 16
Address 32n + 24
Address 32n + 0
Address 32n + 8
Address 32n + 16
Address 32n + 24
Width Is 32 Bits
1st access
1st access
1st access
16n + 0
16n + 8
32n + 0
32n + 0
32n + 16
32n + 16
32n + 0
32n + 16
32n + 16
32n + 0
2nd access
2nd access
32n + 16
32n + 16
32n + 0
32n + 0
32n + 16
32n + 0
32n + 0
32n + 16
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