196
Pin
Selection Method and Pin Functions
P16/PO14/
TIOCA2/
EDRAK2
The pin function is switched as shown below according to the combination of the
TPU channel 2 settings (by bits MD3 to MD0 in TMDR2, bits IOA3 to IOA0 in
TIOR2, and bits CCLR1 and CCLR0 in TCR2), bit NDER14 in NDERH, bit
EDRAKE in EDMDR2 and bit P16DDR.
Modes 1, 2, 4, 5, 6, 7 (EXPE = 1)
EDRAKE
0
1
TPU channel 2
settings
(1) in table
below
(2) in table below
—
P16DDR
—
0
1
1
—
NDER14
—
—
0
1
—
Pin function
TIOCA2
output
P16
input
P16
output
PO14
output
EDRAK2
output
TIOCA2 input
*
1
Mode 7 (EXPE = 0)
EDRAKE
—
TPU channel 2
settings
(1) in table
below
(2) in table below
P16DDR
—
0
1
1
NDER14
—
—
0
1
Pin function
TIOCA2 output
P16 input
P16 output
PO14 output
TIOCA2 input
*
1
Note:
1. TIOCA2 input when MD3 to MD0 = B'0000 or B'01XX and IOA3 = 1.
TPU channel 2
settings
(2)
(1)
(2)
(1)
(1)
(2)
MD3 to MD0
B'0000, B'01xx
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
CCLR1, CCLR0
—
—
—
—
Other
than
B'10
B'10
Output function
—
Output compare
output
—
PWM
*
2
mode 1
output
PWM
mode 2
output
—
x: Don’t care
Note:
2. TIOCB2 output disabled.
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