Timer I/O Control Register 1 (Tior1) - Renesas H8 Series Hardware Manual

Bit Bit Name
1 IOA1
0 IOA0
[Legend]
X: Don't care
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.
Bit Bit Name

7
6 IOD2
Initial
Value R/W Description
0 R/W I/O Control A1 and A0
0 R/W When IOA2 = 0,
00: No output at compare match
01: 0 output to the FTIOA pin at GRA compare match
10: 1 output to the FTIOA pin at GRA compare match
11: Output toggles to the FTIOA pin at GRA compare
When IOA2 = 1,
00: Input capture at rising edge of the FTIOA pin
01: Input capture at falling edge of the FTIOA pin
1X: Input capture at rising and falling edges of the FTIOA
Initial
Value R/W Description

1 Reserved
This bit is always read as 1.
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
When GRB buffer operation has been selected by
BUFEB in TMRW, select the same function as GRB.
match
pin
Rev. 3.00 Sep. 14, 2006 Page 169 of 408
Section 12 Timer W
REJ09B0105-0300