Consecutive accesses to the same row address
Connectable areas: 2, 3
Settable bus widths: 64, 32, 16
• Synchronous DRAM interface
Row address/column address multiplexing according to synchronous DRAM capacity
Burst operation
Auto-refresh and self-refresh
Synchronous DRAM control signal timing can be controlled by register settings
Consecutive accesses to the same row address
Connectable areas: 2, 3
Settable bus widths: 64, 32
• Burst ROM interface
Wait state insertion can be controlled by program
Burst operation, executing the number of transfers set in a register
Connectable areas: 0, 5, 6
Settable bus widths: 32, 16, 8
• MPX interface
Address/data multiplexing
Connectable areas: 0 to 6
Settable bus widths: 64, 32
• Byte control SRAM interface
SRAM interface with byte control
Connectable areas: 1, 4
Settable bus widths: 64, 32, 16
• PCMCIA interface
Wait state insertion can be controlled by program
Bus sizing function for I/O bus width
• Fine refreshing control
Supports refresh operation immediately after self-refresh operation in low-power DRAM
by means of refresh counter overflow interrupt function
• Refresh counter can be used as interval timer
Interrupt request generated by compare-match
Interrupt request generated by refresh counter overflow
Rev. 4.0, 04/00, page 258 of 850