H8SLASH3021 datasheet(638/712 Pages) RENESAS

638 / 712 page

Appendix B. Internal I/O Register Field

Rev.2.00 Mar. 22, 2007 Page 614 of 684

REJ09B0352-0200

TIER2—Timer Interrupt Enable Register 2

H'7A

ITU2

Bit

Initial value

Read/Write

—

IMIEA

R/W

OVIE

R/W

IMIEB

R/W

Note: Bit functions are the same as for ITU0.

TSR2—Timer Status Register 2

H'7B

ITU2

Bit

Initial value

Read/Write

—

IMFA

R/(W)

OVF

R/(W)

IMFB

R/(W)

Overflow flag

[Clearing condition]

Read OVF when OVF = 1, then write 0 in OVF

[Setting condition]

TCNT overflowed from H'FFFF to H'0000 or underflowed from

H'0000 to H'FFFF

Bit functions are the

same as for ITU0

Note: * Only 0 can be written to clear the flag.

TCNT2 H/L—Timer Counter 2 H/L

H'7C, H'7D

ITU2

Bit

Initial value

Read/Write

R/W

Phase counting mode: up/down-counter

Other modes: up-counter

R/W

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