3069RF-ZTAT Datasheet, PDF (134/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

• Idle cycle insertion
 An idle cycle can be inserted in case of an external read cycle between different areas
 An idle cycle can be inserted when an external read cycle is immediately followed by an
external write cycle
• Bus arbitration function
 A built-in bus arbiter grants the bus right to the CPU, DMAC, DRAM interface, or an
external bus master
• Other features
 Refresh counter (refresh timer) can be used as interval timer
 Choice of two address update modes
Rev. 5.0, 09/04, page 112 of 978