Datasheet
Section 15 Timer RC
Page 442 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
Table 15.1 summarizes the timer RC functions, and figure 15.1 shows a block diagram of timer
RC.
Table 15.1 Timer RC Functions
Input/Output Pins
Item Counter FTIOA FTIOB FTIOC FTIOD
Count clock Internal clocks: φ, φ/2, φ/4, φ/8, and φ/32
External clock: FTCI
General registers
(output compare/input
capture registers)
Period
specified in
GRA
GRA GRB GRC (buffer
register for
GRA in
buffer mode)
GRD (buffer
register for
GRB in
buffer mode)
GRA input
capture/
compare
match
GRA input
capture/
compare
match
⎯ ⎯ ⎯ Counter clearing function
TRGC input ⎯ ⎯ ⎯ ⎯
Initial output value
setting function
⎯
Yes Yes Yes Yes
Buffer function
⎯
Yes Yes
⎯
⎯
0 output ⎯
Yes Yes
Yes Yes
1 output ⎯
Yes Yes
Yes Yes
Compare
match output
Toggle
output
⎯
Yes Yes
Yes Yes
Input capture function ⎯
Yes Yes Yes
Yes
PWM mode ⎯
⎯
Yes Yes
Yes
PWM2 mode ⎯
⎯
Yes
⎯
⎯
Interrupt sources Overflow Compare
match/input
capture
Compare
match/input
capture
Compare
match/input
capture
Compare
match/input
capture