Renesas H8S Series Hardware Manual page 315

Pin Selection Method and Pin Functions
P2 /PO1/TIOCB3 The pin function is switched as shown below according to the combination of
1
the TPU channel 3 setting by bits MD3 to MD0 in TMDR3, bits IOB3 to IOB0 in
TIOR3H, bits CCLR2 to CCLR0 in TCR3, bit NDER1 in NDERL, and bit
P21DDR.
TPU Channel
3 Setting
P21DDR
NDER1
Pin function
Note: *
TPU Channel
3 Setting
MD3 to MD0
IOB3 to IOB0
CCLR2 to
CCLR0
Output
function
Table Below (1)
—
—
TIOCB3 output
TIOCB3 input when MD3 to MD0 = B'0000, and IOB3 to IOB0 =
B'10××.
(2) (1)
B'0000
B'0000 B'0001 to
B'0011
B'0100
B'0101 to
B'1×××
B'0111
— —
— Output
compare
output
Table Below (2)
0 1
— 0
P2 P2
1
input output
TIOCB3 input *
(2) (2) (1)
B'0010 B'0011
— B'××00 Other than B'××00
— — Other
than
B'010
— — PWM
mode 2
output
Rev.6.00 Oct.28.2004 page 287 of 1016
1
1
PO1
1
output
(2)
B'010
—
×: Don't care
REJ09B0138-0600H