Renesas H8S/2633 Series Hardware Manual page 507

Pin Selection Method and Pin Functions
P11/TIOCB0/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, and bit
P11DDR.
Operating
mode
AE3 to AE0
TPU Channel
0 Setting
P11DDR
Pin function
Operating
mode
AE3 to AE0
TPU Channel
0 Setting
P11DDR
Pin function
Note: *
B'0000 to B'1101
Table
Below (1)
—
TIOCB0
output
Table Below (1)
—
TIOCB0 output
TIOCB0 input when MD3 to MD0 = B'0000, and IOB3 to IOB0 =
B'10xx.
Modes 4 to 6
Table Below (2)
0 1
P11 P11
input output
TIOCB0 input *
Mode 7
—
Table Below (2)
0
P11 input
TIOCB0 input *
B'1110 to
B'1111
—
—
A21
output
1
P11 output
453