Hitachi H8/3692 ユーザーズマニュアル

Rev. 1.0, 07/01, page 160 of 372

TIOR1 selects the functions of GRC and GRD, and specifies the functions of the FTIOC and
FTIOD pins.

7

−

1

−

Reserved

This bit is always read as 1 and cannot be modified.

6

IOD2

0

R/W

I/O Control D2

Selects the GRD function.

0: GRD functions as an output compare register

1: GRD functions as an input capture register

5

4

IOD1

IOD0

0

0

R/W

R/W

I/O Control D1 and D0

When IOD2=0,

00: No output at compare match

01: 0 output to the FTIOD pin at GRD compare match

10: 1 output to the FTIOD pin at GRD compare match

11: output toggles to the FTIOD pin at GRD compare
match

When IOD2=1,

00: Input capture at rising edge at the FTIOD pin

01: Input capture at falling edge at the FTIOD pin

1X: Input capture at rising edge and falling edge at the
FTIOD pin

3

−

1

−

Reserved

This bit is always read as 1 and cannot be modified.

2

IOC2

0

R/W

I/O Control C2

Selects the GRC function.

0: GRC functions as an output compare register

1: GRC functions as an input capture register

1

0

IOC1

IOC0

0

0

R/W

R/W

I/O Control C1 and C0

When IOC2=0,

00: No output at compare match

01: 0 output to the FTIOC pin at GRC compare match

10: 1 output to the FTIOC pin at GRC compare match

11: Output toggles to the FTIOC pin at GRC compare
match

When IOC2=1,

00: Input capture to GRC at rising edge of the FTIOC pin

01: Input capture to GRC at falling edge of the FTIOC pin

1X: Input capture to GRC at rising edge and falling edge of
the FTIOC pin

Legend  X: Don't care.