D12320VF25IV Datasheet, PDF (405/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 9 I/O Ports
Pin
P20/PO0/TIOCA3
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 IOA3 to IOA0
in TIOR3H, and bits CCLR2 to CCLR0 in TCR3), bit NDER0 in NDERL, and bit
P20DDR.
TPU Channel
3 Setting
Table Below (1)
Table Below (2)
P20DDR
—
0
1
1
NDER0
—
—
0
1
Pin function
TIOCA3 output
P20
input
P20
output
PO0
output
TIOCA3 input^*1
TPU Channel
3 Setting
(2)
(1)
(2)
(1)
(1)
(2)
MD3 to MD0
B'0000
B'001x B'0010
B'0011
IOA3 to IOA0
B'0000
B'0100
B'1xxx
B'0001 to
B'0011
B'0101 to
B'0111
B'xx00
Other than B'xx00
CCLR2 to
CCLR0
—
—
—
—
Other B'001
than
B'001
Output
function
—
Output
—
PWM PWM
—
compare
output
mode 1 mode 2
output^*2 output
x: Don’t care
Notes: 1. TIOCA3 input when MD3 to MD0 = B'0000, and IOA3 to IOA0 =
B'10xx.
2. TIOCB3 output is disabled.
Rev.6.00 Sep. 27, 2007 Page 373 of 1268
REJ09B0220-0600