Table 9-21 Port B Pin Functions (cont)
Pin
Pin Functions and Selection Method
ITU channel 3 settings (bit PWM3 in TMDR, bit CMD1 in TFCR, bit EB3 in TOER, and
bits IOB2 to IOB0 in TIOR3), bit NDER9 in NDERB, and bit PB
1
DDR in PBDDR select
the pin function as follows
ITU
channel 3
settings
(1) in table below
(2) in table below
PB
1
DDR
—
0
1
1
NDER9
—
—
0
1
Pin function
TIOCB
3
output
PB
1
input
PB
1
output TP
9
output
TIOCB
3
input
*
Note:
*
TIOCB
3
input when CMD1 = PWM3 = 0 and IOB2 = 1.
ITU
channel 3
settings
(2)
(2)
(1)
(2)
(1)
EB3
0
1
CMD1
—
0
1
IOB2
—
0
0
0
1
—
IOB1
—
0
0
1
—
—
IOB0
—
0
1
—
—
—
PB
1
/TP
9
/
TIOCB
3
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