HD6433694 Datasheet, PDF (183/432 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

12.3.6 Timer I/O Control Register 1 (TIOR1)
TIOR1 selects the functions of GRC and GRD, and specifies the functions of the FTIOC and
FTIOD pins.
Initial
Bit
Bit Name Value R/W Description
7

1

Reserved
This bit is always read as 1.
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
IOD1
0
R/W I/O Control D1 and D0
4
IOD0
0
R/W 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 and falling edges at the FTIOD
pin
3

1

Reserved
This bit is always read as 1.
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
Rev. 4.00, 03/04, page 155 of 400