H8S2245 datasheet(751/818 Pages) RENESAS

부품명	H8S2245

상세설명	Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series

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Appendix B Register Field

Rev.3.00 Mar. 26, 2007 Page 709 of 772

REJ09B0355-0300

RSTCSR—Reset Control/Status Register

H'FFBE (W) H'FFBF (R)

WDT

WOVF

R/(W)*

RSTE

R/W

RSTS

R/W

—

[Clearing condition]

Cleared by reading RSTCSR when WOVF = 1, then writing 0 to WOVF

Watchdog Timer Overflow Flag

Notes: The method for writing to RSTCSR is different from that for general registers to prevent

accidental overwriting. For details see section 11.2.4, Notes on Register Access.

* Can only be written with 0 for flag clearing.

Reset Enable

Reset signal is not generated if TCNT overflows*

Reset signal is generated if TCNT overflows

Reset Select

Power-on reset

Manual reset

Bit

Initial value

Read/Write

[Setting condition]

Set when TCNT overflows (changed from H'FF to H'00) during

watchdog timer operation

Note: * The modules H8S/2245 Group are not reset, but TCNT

and TCSR in WDT are reset.

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