Hitachi H8S/2646 Hardware Manual page 259

Pin Selection Method and Pin Functions
P14/PO12/ The pin function is switched as shown below according to the combination of
TIOCA1/IRQ0 the TPU channel 1 setting (by bits MD3 to MD0 in TMDR1, bits IOA3 to IOA0
in TIOR1, and bits CCLR1 and CCLR0 in TCR1), bit NDER12 in NDERH, and
bit P14DDR.
TPU Channel
1 Setting
P14DDR
NDER12
Pin function
TPU Channel
1 Setting
MD3 to MD0
IOA3 to IOA0
CCLR1,
CCLR0
Output
function
Notes: *1 TIOCA1 input when MD3 to MD0 = B'0000 or B'01xx, and IOA3 to
Table Below (1)
TIOCA1 output
(2)
B'0000, B'01xx
B'0000 B'0001 to
B'0011
B'0100
B'0101 to
B'1xxx
B'0111
—
— Output
compare
output
IOA0 = B'10xx.
*2 TIOCB1 output is disabled.
—
— —
P14
input
IRQ0 input
(1) (2) (1)
B'001x B'0010
B'xx00 Other
than
B'xx00
— — —
— PWM
mode 1
output
Table Below (2)
0 1 1
0 1
P14 PO12
output output
*1
TIOCA1 input
(1) (2)
B'0011
Other than B'xx00
Other B'01
than B'01
PWM —
mode 2
*2
output
x: Don't care
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