343
Pin
Selection Method and Pin Functions
P11/PO9/TIOCB0/
DACK1
/A21
The pin function is switched as shown below according to the combination of
the operating mode, and the TPU channel 0 setting (by bits MD3 to MD0 in
TMDR0, and bits IOB3 to IOB0 in TIOR0H), bits AE3 to AE0 in PFCR, bit
NDER9 in NDERH, SAE1 bit in DMABCRH, and bit P11DDR.
Operating
mode
Modes 4 to 6
AE3 to AE0
B'0000 to B'1101
B'1110 to
B'1111
SAE1
0
1
—
TPU Channel
0 Setting
Table
Below (1)
Table Below (2)
—
—
P11DDR
—
0
1
1
—
—
NDER9
—
—
0
1
—
—
Pin function
TIOCB0
output
P11
input
P11
output
PO9
output
DACK1
output
A21
output
TIOCB0 input *
1
Operating
mode
Mode 7
AE3 to AE0
—
SAE1
0
1
TPU Channel
0 Setting
Table
Below (1)
Table Below (2)
—
P11DDR
—
0
1
1
—
NDER9
—
—
0
1
—
Pin function
TIOCB0
output
P11
input
P11
output
PO9
output
DACK1
output
TIOCB0 input *
1
Note: 1. TIOCB0 input when MD3 to MD0 = B'0000, and IOB3 to IOB0 =
B'10xx.