H8SLASH3021 datasheet(631/712 Pages) RENESAS

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Appendix B. Internal I/O Register Field

Rev.2.00 Mar. 22, 2007 Page 607 of 684

REJ09B0352-0200

TIOR0—Timer I/O Control Register 0

H'65

ITU0

Bit

Initial value

Read/Write

—

IOB2

R/W

IOB1

R/W

IOB0

R/W

—

IOA0

R/W

IOA2

R/W

IOA1

R/W

I/O control A2 to A0

IOA2

GRA Function

GRA is an output

compare register

GRA is an input

capture register

IOA1

Bit 1

IOA0

Bit 0

Bit 2

No output at compare match

0 output at GRA compare match

1 output at GRA compare match

Output toggles at GRA compare match

GRA captures rising edge of input

GRA captures falling edge of input

GRA captures both edges of input

I/O control B2 to B0

IOB2

GRB Function

GRB is an output

compare register

GRB is an input

capture register

IOB1

Bit 5

IOB0

Bit 4

Bit 6

No output at compare match

0 output at GRB compare match

1 output at GRB compare match

Output toggles at GRB compare match

GRB captures rising edge of input

GRB captures falling edge of input

GRB captures both edges of input

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