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SH7708 Fiches technique(PDF) 306 Page - Renesas Technology Corp

No de pièce SH7708
Description  SuperH??RISC engine
PDF  633 Pages
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Fabricant  RENESAS [Renesas Technology Corp]
Site Internet  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7708 Fiches technique(HTML) 306 Page - Renesas Technology Corp

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Memory Card Interface Burst Timing: In the SH7708 Series, when the IC memory card
interface is selected, page mode burst access mode can be used, for read access only, by setting
bits A5BST1 and A5BST0 in BCR for physical space area 5, or bits A6BST1 and A6BST0 for
area 6. This burst access mode is not stipulated in JEIDA version 4.2 (PCMCIA2.1), but allows
high-speed data access using ROM provided with a burst mode, etc.
Burst access mode timing is shown in figures 10.44 and 10.45.
CKIO
Tpcm1
A25 to A4
CExx
A3 to A0
RD/
WR
RD
(read)
D15 to D0
(read)
BS
Tpcm2
Tpcm1
Tpcm2
Tpcm1
Tpcm2
Tpcm1
Tpcm2
Figure 10.44 Basic Timing for PCMCIA Memory Card Interface Burst Access



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