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Pin
P16/PO14/
TIOCA2/PWM2/
IRQ1
336
Selection Method and Pin Functions
The pin function is switched as shown below according to the combination of
the TPU channel 2 setting (by bits MD3 to MD0 in TMDR2, bits IOA3 to IOA0
in TIOR2, and bits CCLR1 and CCLR0 in TCR2), OEA bit in DACR3, bit
NDER14 in NDERH, and bit P16DDR.
TPU Channel
2 Setting
Table Below (1)
OEA
P16DDR
NDER14
Pin function
TIOCA2 output
TPU Channel
2 Setting
MD3 to MD0
B'0000, B'01xx
IOA3 to IOA0
B'0000
B'0100
B'1xxx
CCLR1,
CCLR0
Output
function
Notes: 1. TIOCA2 input when MD3 to MD0 = B'0000 or B'01xx, and IOA3 =
1.
2. TIOCB2 output is disabled.
—
—
—
(2)
(1)
B'001x
B'0001 to
B'xx00
B'0011
B'0101 to
B'0111
—
—
—
Output
compare
output
Table Below (2)
0
0
0
1
—
0
P16
P16
input
output
TIOCA2 input *
IRQ1 input
(2)
(1)
B'0010
Other than B'xx00
—
—
than B'01
—
PWM
mode 1
output *
2
0
1
1
—
1
—
PO14
PWM2
output
output
1
(1)
(2)
B'0011
Other
B'01
PWM
—
mode 2
output
x: Don't care
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