177
Pin
Pin Functions and Selection Method
PB
3
/
TP
11
/
TIOCB
4
ITU channel 4 settings (bit PWM4 in TMDR, bit CMD1 in TFCR, bit EB4 in TOER, and
bits IOB2 to IOB0 in TIOR4), bit NDER11 in NDERB, and bit PB
3
DDR in PBDDR
select the pin function as follows
ITU
channel 4
settings
(1) in table below
(2) in table below
PB
3
DDR
—
0
1
1
NDER11
—
—
0
1
Pin
function
TIOCB
4
output
PB
3
input
PB
3
output
TP
11
output
TIOCB
4
input
*
Note:
*
TIOCB
4
input when CMD1 = PWM4 = 0 and IOB2 = 1.
ITU
channel 4
settings
(2)
(2)
(1)
(2)
(1)
EB4
0
1
CMD1
—
0
1
IOB2
—
0
0
0
1
—
IOB1
—
0
0
1
—
—
IOB0
—
0
1
—
—
—