D12320VF25IV Datasheet, PDF (402/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 9 I/O Ports
Pin
P23/PO3/TIOCD3/
TMCI0
Selection Method and Pin Functions
This pin is used as the 8-bit timer external clock input pin when an external
clock is selected with bits CKS2 to CKS0 in TCR0.
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 IOD3 to IOD0
in TIOR3L, and bits CCLR2 to CCLR0 in TCR3), bit NDER3 in NDERL, and bit
P23DDR.
TPU Channel
3 Setting
Table Below (1)
Table Below (2)
P23DDR
—
0
1
1
NDER3
—
—
0
1
Pin function
TIOCD3 output
P23
input
P23
output
PO3
output
TIOCD3 input^*
TMCI0 input
Note: * TIOCD3 input when MD3 to MD0 = B'0000, and IOD3 to IOD0 = B'10xx.
TPU Channel
3 Setting
MD3 to MD0
IOD3 to IOD0
CCLR2 to
CCLR0
(2)
(1)
(2)
B'0000
B'0010
B'0000 B'0001 to —
B'0100 ^B'0011
B'1xxx ^{B'0101 to}
B'0111
—
—
—
Output
function
—
Output
—
compare
output
(2)
B'xx00
—
—
(1)
(2)
B'0011
Other than B'xx00
Other
than
B'110
B'110
PWM
—
mode 2
output
x: Don’t care
Rev.6.00 Sep. 27, 2007 Page 370 of 1268
REJ09B0220-0600