D12320VF25IV Datasheet, PDF (419/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Pin
P51/RxD2/IRQ5
P50/TxD2/IRQ4
Section 9 I/O Ports
Selection Method and Pin Functions
The pin function is switched as shown below according to the combination of
bit RE in the SCI2 SCR, and bits IRQPAS and P51DDR.
RE
0
1
P51DDR
0
1
—
Pin function
P51 input pin
P51 output pin
RxD2 input pin
IRQ5 interrupt input pin^*
Note: * IRQ5 input when IRQPAS = 1.
The pin function is switched as shown below according to the combination of
bit TE in the SCI2 SCR, and bits IRQPAS and P50DDR.
TE
0
1
P50DDR
0
1
—
Pin function
P50 input pin
P50 output pin
TxD2 output pin
IRQ4 interrupt input pin^*
Note: * IRQ4 input when IRQPAS = 1.
Rev.6.00 Sep. 27, 2007 Page 387 of 1268
REJ09B0220-0600