D12320VF25V Datasheet, PDF (278/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 8 I/O Ports
Pin
P21/TIOCB3
Selection Method and Pin Functions
The pin function is switched as shown below according to the combination of
the TPU channel 3 setting by bits MD3 to MD0 in TMDR3, bits IOB3 to IOB0 in
TIOR3H, bits CCLR2 to CCLR0 in TCR3, and bit P21DDR.
TPU Channel
3 Setting
Table Below (1)
Table Below (2)
P21DDR
—
0
1
Pin function
TIOCB3 output
P21 input P21 output
TIOCB3 input ^*
TPU Channel
3 Setting
(2)
(1)
(2)
(2)
(1)
(2)
MD3 to MD0
B'0000
B'0010
B'0011
IOB3 to IOB0 B'0000 B'0001 to —
B'0100 ^B'0011
B'1××× ^{B'0101 to}
B'0111
B'××00 Other than B'××00
CCLR2 to
CCLR0
—
—
—
—
Other B'010
than
B'010
Output
function
—
Output
—
compare
output
—
PWM
—
mode 2
output
×: Don’t care
Note: * TIOCB3 input when MD3 to MD0 = B'0000 and IOB3 to IOB0 = B'10××.
Rev.7.00 Feb. 14, 2007 page 244 of 1108
REJ09B0089-0700