231
Pin
Selection Method and Pin Functions
P10/PO8/TIOCA0
The pin function is switched as shown below according to the combination of
the operating mode, and the TPU channel 0 setting (by bits MD3 to MD0 in
TMDR0, bits IOA3 to IOA0 in TIOR0H, and bits CCLR2 to CCLR0 in TCR0), bit
NDER8 in NDERH, SAE0 bit in DMABCRH, and bit P10DDR.
TPU Channel
0 Setting
Table
Below (1)
Table Below (2)
P10DDR
—
0
1
1
NDER8
—
—
0
1
Pin function
TIOCA0
output
P10
input
P10
output
PO8
output
TIOCA0 input
*
1
TPU Channel
0 Setting
(2)
(1)
(2)
(1)
(1)
(2)
MD3 to MD0
B'0000
B'001x
B'0010
B'0011
IOA3 to IOA0
B'0000
B'0100
B'1xxx
B'0001 to
B'0011
B'0101 to
B'0111
B'xx00
Other than B'xx00
CCLR2 to
CCLR0
—
—
—
—
Other
than
B'001
B'001
Output
function
—
Output
compare
output
—
PWM
mode 1
output
*
2
PWM
mode 2
output
—
x: Don’t care
Notes:
*
1 TIOCA0 input when MD3 to MD0 = B'0000, and IOA3 to IOA0 =
B'10xx.
*
2 TIOCB0 output is disabled.
Summary of Contents for H8S/2645
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