r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 484

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

11. Local Bus State Controller (LBSC)
Table 11.20 Register Settings for Divided-Up DACKn Output in DMA1 Transfer Using the
Notes: "⎯" means an arbitrary setting value. When transfer is done in a single bus cycle, DACKn
Rev.1.00 Jan. 10, 2008 Page 454 of 1658
REJ09B0261-0100
Bus Width
[Bit]
8
16
1. Multiple bus cycles are generated, however, DACKn cannot be divided.
2. Can be divided only in longword units.
is not divided up because DACKn is output once in DMA1 transfer.
Access Size
Byte
Word
Longword
16 bytes
32 bytes
Byte
Word
Longword
16 bytes
32 bytes
PCMCIA Interface
Bus Cycle Number
1
2
4
16
32
1
1
2
8
16
Not Divided
IWRRD, IWRRS, or
IWW in CSnBCR
⎯
⎯
⎯
B'000
⎯
⎯
⎯
⎯
B'000
⎯
Divided
IWRRD, IWRRS, or
IWW in CSnBCR
Undividable
Undividable∗
Undividable∗
B'111 to B'001∗
Undividable∗
Undividable
Undividable
Undividable∗
B'111 to B'001∗
Undividable∗
1
1
1
1
1
2
2