Datasheet
Section 18 Timer RG
REJ09B0465-0300 Rev. 3.00 Page 637 of 982
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
Bit Symbol Bit Name Description R/W
3 BUFA BRA function
select
0: BRA does not function as the GRA buffer register.
1: BRA functions as the GRA buffer.
R/W
2 IOA2 GRA function
select
0: GRA is used as a compare match register.
1: GRA is used as an input capture register.
R/W
1, 0 IOA[1:0] GRA I/O
function select
When IOA2 = 0,
00: Disables pin output at a compare match.
01: Outputs 0 to the TGIOA pin at a GRA compare
match.
10: Outputs 1 to the TGIOA pin at a GRA compare
match.
11: Toggles the output to the TGIOA pin at a GRA
compare match.
When IOA2 = 1,
00: Input capture to GRA at the rising edge of the
TGIOA pin.
01: Input capture to GRA at the falling edge of the
TGIOA pin.
1X: Input capture to GRA at the rising and falling
edges of the TGIOA pin.
R/W
[Legend]
X: Don't care.