HD6417616 RENESAS [Renesas Technology Corp], HD6417616 Datasheet - Page 355

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

7.6.5
In addition to the ordinary mode of DRAM access, in which row addresses are output at every
access and data is then accessed, DRAM also has a high-speed page mode for use when
continuously accessing the same row that enables fast access of data by changing only the column
address after the row address is output. Select ordinary access or high-speed page mode by setting
Read
Write
Note: * DACKn waveform when active-low is specified
Burst Access
CKIO
A24–A16
A15–A1
RAS
CASn
RD/WR
RD
D31–D0
RD/WR
RD
D31–D0
DACKn *
WAIT
Tp
Figure 7.42 External Wait State Timing
Tr
Tc1
Rev. 2.00 Mar 09, 2006 page 329 of 906
Section 7 Bus State Controller (BSC)
Tw
Twx
REJ09B0292-0200
Tc2