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H8/3021 Datasheet(PDF) 482 Page - Renesas Technology Corp |
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H8/3021 Datasheet(HTML) 482 Page - Renesas Technology Corp |
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482 / 712 page  15. ROM Rev.2.00 Mar. 22, 2007 Page 458 of 684 REJ09B0352-0200 Bit 0—Program (P): Selects program mode transition or clearing. Do not set the SWE, PSU, ESU, EV, PV, or E bit at the same time. Bit 0 P Description 0 Program mode cleared (Initial value) 1 Transition to program mode* [Setting condition] When FWE = 1, SWE = 1, and PSU = 1 Note: * Do not access flash memory while the P bit is set to 1. 15.5.2 Flash Memory Control Register 2 (FLMCR2) FLMCR2 is an 8-bit register used for flash memory operating mode control. FLMCR2 is initialized to H'00 by a power-on reset, and in hardware standby mode and software standby mode. When on-chip flash memory is disabled, a read will return H'00. Note: FLMCR2 is a read-only register; it must not be written to. Bit: 7 6 5 4 3 2 1 0 FLER — — — — — — — Initial value: 0 0 0 0 0 0 0 0 R/W: R R R R R R R R Bit 7—Flash Memory Error (FLER): Indicates that an error has occurred during an operation on flash memory (programming or erasing). When FLER is set to 1, flash memory goes to the error- protection state. |
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