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R5F72115D160FPV Datasheet(PDF) 34 Page - Renesas Technology Corp |
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R5F72115D160FPV Datasheet(HTML) 34 Page - Renesas Technology Corp |
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34 / 1228 page ![]() Section 1 Overview Rev. 2.00 May. 08, 2008 Page 10 of 1200 REJ09B0344-0200 Classification Symbol I/O Name Function MD1, MD0 I Mode set Sets the operating mode. Do not change the signal levels on these pins during operation. MD_CLK2, MD_CLK0 I Clock mode set Sets the clock operating mode. Do not change the signal levels on these pins during operation. FWE I Flash memory write enable Pin for flash memory. Flash memory can be protected against writing or erasure through this pin. ASEMD I Debugging mode Enables the E10A-USB emulator functions. Input a high level to operate the LSI in normal mode (not in debugging mode). To operate it in debugging mode, apply a low level to this pin on the user system board. Operating mode control TESTMD I Test mode Always fix this input pin low. Do not input a high level to this pin. This may cause malfunction or permanent failure of this LSI. RES I Power-on reset This LSI enters the power-on reset state when this signal goes low. MRES I Manual reset This LSI enters the manual reset state when this signal goes low. WDTOVF O Watchdog timer overflow Outputs an overflow signal from the WDT. System control BREQ I Bus-mastership request A low level is input to this pin when an external device requests the release of the bus mastership. BACK O Bus-mastership request acknowledge Indicates that the bus mastership has been released to an external device. Reception of the BACK signal informs the device which has output the BREQ signal that it has acquired the bus. |
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