Table 7-16 Port A Pin Functions (cont)
Pin
Pin Functions and Selection Method
PA
/TP
/
ITU channel 0 settings (bit PWM0 in TMDR and bits IOA2 to IOA0 in TIOR0), bits
2
2
TIOCA
/
TPSC2 to TPSC0 in TCR4 to TCR0, bit NDER2 in NDERA, and bit PA
0
TCLKC
select the pin function as follows
ITU
channel 0
settings
PA
DDR
2
NDER2
Pin
function
Notes: 1. TIOCA
2. TCLKC input when TPSC2 = TPSC1 = 1 and TPSC0 = 0 in any of TCR4 to
ITU
channel 0
settings
PWM0
IOA2
IOA1
IOA0
174
(1) in table below
—
—
TIOCA
output
0
input when IOA2 = 1.
0
TCR0.
(2)
0
0
0
0
1
—
PA
2
TCLKC input*
(1)
(2)
0
1
—
—
—
DDR in PADDR
2
(2) in table below
0
1
0
input
PA
2
output
1
TIOCA
input*
0
2
(1)
1
1
—
—
—
1
1
TP
2
output