HD6417618 RENESAS [Renesas Technology Corp], HD6417618 Datasheet - Page 174

• Manufacturer Part Number: HD6417618
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 7 Bus State Controller (BSC)
Tables 7.6 to 7.9 show the relationship between endian, device data width, and access unit.
Table 7.6
Rev. 6.00 Jun. 12, 2007 Page 142 of 610
REJ09B0131-0600
Operation
Byte access at 0
Byte access at 1
Byte access at 2
Byte access at 3
Word access at 0
Word access at 2
Longword
access at 0
1st time
at 0
2nd time
at 2
16-Bit External Device/Big Endian Access and Data Alignment
D31 to D24 D23 to D16 D15 to D8 D7 to D0
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Data Bus
Data
7 to 0
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Data
7 to 0
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Data
15 to 8
Data
15 to 8
Data
31 to 24
Data
15 to 8
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Data
7 to 0
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Data
7 to 0
Data
7 to 0
Data
15 to 8
Data
23 to 16
Data
7 to 0
WE3(BE3),
DQMUU
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WE2(BE2),
DQMUL
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Strobe Signals
WE1(BE1),
DQMLU
Assert
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Assert
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Assert
Assert
Assert
Assert
WE0(BE0),
DQMLL
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Assert
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Assert
Assert
Assert
Assert
Assert