Datasheet
Section 9 I/O Ports
Rev.6.00 Sep. 27, 2007 Page 358 of 1268
REJ09B0220-0600
Pin Selection Method and Pin Functions
P1
4
/PO
12
/
TIOCA
1
The pin function is switched as shown below according to the combination of
the TPU channel 1 setting (by bits MD3 to MD0 in TMDR1, bits IOA3 to IOA0
in TIOR1, and bits CCLR1 and CCLR0 in TCR1), bit NDER12 in NDERH, and
bit P14DDR.
TPU Channel
1 Setting
Table Below (1)
Table Below (2)
P14DDR — 0 1 1
NDER12 — — 0 1
Pin function TIOCA
1
output P1
4
input
P1
4
output
PO
12
output
TIOCA
1
input
*
1
TPU Channel
1 Setting
(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
Other than B'xx00
CCLR1,
CCLR0
— — — — Other
than B'01
B'01
Output
function
— Output
compare
output
— PWM
mode 1
output
*
2
PWM
mode 2
output
—
x: Don't care
Notes: 1. TIOCA
1
input when MD3 to MD0 = B'0000 or B'01xx, and IOA3 to
IOA0 = B'10xx.
2. TIOCB
1
output is disabled.