211
Pin
Selection Method and Pin Functions
P22/PO2/
TIOCC3/
IRQ10
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 IOC3 to IOC0 in
TIOR3L, and bits CCLR2 to CCLR0 in TCR3), bit NDER2 in NDERL, bit
P22DDR, and bit ITS10 in ITSR.
TPU channel 3
settings
(1) in table
below
(2) in table below
P22DDR
—
0
1
1
NDER2
—
—
0
1
Pin function
TIOCC3 output
P22 input
P22 output
PO2 output
TIOCC3 input
*
1
IRQ10
interrupt input pin
*
2
Notes: 1. TIOCC3 input when MD3 to MD0 = B'0000 and IOC3 to IOC0 = B'10xx.
2.
IRQ10
input when ITS10 = 1.
TPU channel 3
settings
(2)
(1)
(2)
(1)
(1)
(2)
MD3 to MD0
B'0001 to B'01xx
B'001x
B'0010
B'0011
IOC3 to IOC0
B'0000
B'0100
B'1xxx
B'0001 to B'0011
B'0101 to B'0111
B'xx00
Other
than
B'xx00
Other than B'xx00
CCLR2 to
CCLR0
—
—
—
—
Other
than
B'101
B'101
Output function
—
Output compare
output
—
PWM
*
3
mode 1
output
PWM
mode 2
output
—
x: Don’t care
Note:
3. TIOCD3 output disabled.
Output disabled and settings (2) effective when BFA = 1 or BFB = 1 in TMDR3.
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