HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 256

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

5. Byte-selection SRAM interface
Can connect directly to a byte-selection SRAM
6. Bus arbitration
Shares all of the resources with other CPU and outputs the bus enable after receiving the bus
request from external devices.
7. Refresh function
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)
Notes: 1. Some CSn arias do not support the some memory interfaces. For the sorts of memory
interfaces that are supported by each area, see section 9.3, Area Overview.
2. The data bus width of the CS0 area is 16-bit fixed.
Rev. 1.00, 02/04, page 218 of 804