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HD6432351 Fiches technique(PDF) 208 Page - Renesas Technology Corp

No de pièce HD6432351
Description  16-Bit Single-Chip Microcomputer
PDF  1025 Pages
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Fabricant  RENESAS [Renesas Technology Corp]
Site Internet  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432351 Fiches technique(HTML) 208 Page - Renesas Technology Corp

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Section 6 Bus Controller
Rev. 3.00 Sep 15, 2006 page 174 of 988
REJ09B0330-0300
TRp
φ
CS (RAS)
TRr
TRc1
TRc2
CAS, LCAS
Figure 6.25 CBR Refresh Timing
When the RCW bit is set to 1,
RAS signal output is delayed by one cycle. The width of the RAS
signal should be adjusted with bits RLW1 and RLW0. These bits are only enabled in refresh
operations.
Figure 6.26 shows the timing when the RCW bit is set to 1.
TRp
φ
CSn (RAS)
TRr
TRc1
TRw
CAS, LCAS
TRc2
Figure 6.26 CBR Refresh Timing (When RCW = 1, RLW1 = 0, RLW0 = 1)



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