H8SSLASH2214 datasheet(843/936 Pages) RENESAS

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Appendix B Internal I/O Register

Rev.4.00 Sep. 18, 2008 Page 783 of 872

REJ09B0189-0400

TSR0—Timer Status Register 0

H'FF15

TPU0

—

TCFV

R/(W)*

TGFD

R/(W)*

TGFA

R/(W)*

TGFC

R/(W)*

TGFB

R/(W)*

Bit

Initial value

R/W

Note: * Can only be written with 0 for flag clearing.

Overflow Flag

[Clearing condition]

• When 0 is written to TCFV after reading TCFV = 1

[Setting condition]

• When the TCNT value overflows (changes from H'FFFF to H'0000 )

Input Capture/Output Compare Flag A

[Clearing conditions]

• When DTC is activated by TGIA interrupt while DISEL bit of MRB in DTC is 0

• When DMAC is activated by TGIA interrupt while DTA bit of DMABCR in DMAC is 1

• When 0 is written to TGFA after reading TGFA = 1

[Setting conditions]

• When TCNT = TGRA while TGRA is functioning as output compare register

• When TCNT value is transferred to TGRA by input capture signal while TGRA

is functioning as input capture register

Input Capture/Output Compare Flag B

[Clearing conditions]

• When DTC is activated by TGIB interrupt while DISEL bit of MRB in DTC is 0

• When 0 is written to TGFB after reading TGFB = 1

[Setting conditions]

• When TCNT = TGRB while TGRB is functioning as output compare register

• When TCNT value is transferred to TGRB by input capture signal while TGRB

is functioning as input capture register

Input Capture/Output Compare Flag C

[Clearing conditions]

• When DTC is activated by TGIC interrupt while DISEL bit of MRB in DTC is 0

• When 0 is written to TGFC after reading TGFC = 1

[Setting conditions]

• When TCNT = TGRC while TGRC is functioning as output compare register

• When TCNT value is transferred to TGRC by input capture signal while TGRC

is functioning as input capture register

Input Capture/Output Compare Flag D

[Clearing conditions]

• When DTC is activated by TGID interrupt while DISEL bit of MRB in DTC is 0

• When 0 is written to TGFD after reading TGFD = 1

[Setting conditions]

• When TCNT = TGRD while TGRD is functioning as output compare register

• When TCNT value is transferred to TGRD by input capture signal while TGRD

is functioning as input capture register

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