Hitachi H8S/2646 Hardware Manual page 269

Pin Selection Method and Pin Functions
P24/TIOCA4 Switches as follows according to the combinations of the TPU channel 4
setting made using bits MD3 to MD0 of TMDR4, bits IOA3 to IOA0 of TIOR4,
and bits CCR1 and CCR0 of TCR4, as well as the P24DDR bit.
TPU Channel
4 Setting
P24DDR
Pin function
TPU Channel
4 Setting
MD3 to MD0
IOA3 to IOA0
CCLR1,
CCLR0
Output
function
Note: * TIOCB4 output prohibited.
Table Below (1)
—
TIOCA4 output
(2) (1)
B'0000, B'01xx
B'0000 B'0001 to
B'0011
B'0100
B'0101 to
B'1xxx
B'0111
— —
— Output
compare
output
Table Below (2)
0
P24 input *
TIOCA4 input *
(2) (1)
B'001x B'0010
B'xx00 Other Other than B'xx00
than
B'xx00
— —
than B'01
— PWM
mode 1 mode 2
output *
1
P24 output
(1) (2)
B'0011
Other B'01
PWM —
output
237