SH7708 Datasheet, PDF(206/633 Page) Renesas Technology Corp – SuperH™ RISC engine

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SH7708 Datasheet, PDF (206/633 Pages) Renesas Technology Corp – SuperH™ RISC engine

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â¢ Direct interface to pseudo-SRAM

ï£§ Supports burst operation (static column mode)

ï£§ Auto-refresh and self-refresh

â¢ ROM burst interface

ï£§ Insertion of wait states controllable through software

ï£§ Register setting control of burst transfers

â¢ PCMCIA direct-connection interface

ï£§ Insertion of wait states controllable through software

ï£§ Burst operation (page mode)

ï£§ Bus sizing function for I/O bus width (little-endian mode only)

â¢ Fine refreshing control

ï£§ Supports refresh operation immediately after self-refresh operation in low-power DRAM

by means of refresh counter overflow interrupt function

â¢ Refresh counter can be used as an interval timer

ï£§ Interrupt request generated at compare-match

ï£§ Interrupt request generated at refresh counter overflow

10.1.2 Block Diagram

Figure 10.1 shows a block diagram of the bus state controller.

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