HD6417616 RENESAS [Renesas Technology Corp], HD6417616 Datasheet - Page 309

• Manufacturer Part Number: HD6417616
• Description: 32-Bit RISC Microcomputer SuperH™ RISC engine Family/SH7600 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

When making a word or longword access with an 8-bit bus width, or a longword access with a 16-
bit bus width, the bus state controller performs multiple accesses.
When clock ratio I : E is other than 1 : 1, the basic timing shown in figure 7.11 is repeated, but
when clock ratio I : E is 1 : 1, burst access with no CSn negate period is performed as shown in
figure 7.12.
Read
Write
Note: * DACKn waveform when active-low is specified.
Figure 7.11 Basic Timing of Ordinary Space Access
CKIO
A24–A0
CSn
RD/WR
RD
D31–D0
WEn
D31–D0
BS
DACKn*
T1
Rev. 2.00 Mar 09, 2006 page 283 of 906
Section 7 Bus State Controller (BSC)
T2
REJ09B0292-0200