210
Pin
Selection Method and Pin Functions
P23/PO3/
TIOCD3/
IRQ11
The pin function is switched as shown below according to the combination of the
TPU channel 3 settings (by bits MD3 to MD0 in TMDR3, bits IOD3 to IOD0 in
TIOR3L, and bits CCLR2 to CCLR0 in TCR3), bit NDER3 in NDERL, bit
P23DDR, and bit ITS11 in ITSR.
TPU channel 3
settings
(1) in table
below
(2) in table below
P23DDR
—
0
1
1
NDER3
—
—
0
1
Pin function
TIOCD3 output
P23 input
P23 output
PO3 output
TIOCD3 input
*
1
IRQ11
interrupt input pin
*
2
Notes: 1. TIOCD3 input when MD3 to MD0 = B'0000 and IOD3 to IOD0 = B'10xx.
2.
IRQ11
input when ITS11 = 1.
TPU channel 3
settings
(2)
(1)
(2)
(2)
(1)
(2)
MD3 to MD0
B'0001 to B'0011
B'0010
B'0011
IOD3 to IOD0
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'110
B'110
Output function
—
Output compare
output
—
—
PWM
mode 2
output
—
x: Don’t care
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