HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 320
HD6417641
Manufacturer Part Number
HD6417641
Description
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417641.pdf
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Section 12 Bus State Controller (BSC)
6. Byte-selection SRAM interface
7. Burst MPX-IO interface
8. Burst ROM interface (clock synchronous)
9. Bus arbitration
10. Refresh function
Rev. 4.00 Sep. 14, 2005 Page 270 of 982
REJ09B0023-0400
Supports low-frequency and power-down modes.
Issues MRS and EMRS commands.
Can connect directly to a byte-selection SRAM
Can connect directly to a peripheral LSI that needs an address/data multiplexing.
Supports burst transfer
Can connect directly to a ROM of the clock synchronous type
Shares all of the resources with other CPU and outputs the bus enable after receiving the
Supports the auto-refresh and self-refresh functions.
Specifies the refresh interval using the refresh counter and clock selection
Can execute concentrated refresh by specifying the refresh counts (1, 2, 4, 6, or 8)
bus request from external devices.
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