HD64F2357VF13 Datasheet, PDF (326/1049 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

9.6.3 Pin Functions
Port 5 pins also function as SCI I/O pins (TxD2, RxD2, and SCK2), and the A/D converter input pin (ADTRG). Port 5 pin
functions are shown in table 9-10.
Table 9-10 Port 5 Pin Functions
Pin
P5₃/ADTRG
Selection Method and Pin Functions
The pin function is switched as shown below according to the combination of
bits TRGS1 and TRGS0 in the A/D converter ADCR, and bit P53DDR.
P53DDR
0
1
Pin function
P5₃ input pin
P5₃ output pin
ADTRG input pin*
Note: * ADTRG input when TRGS0 = TRGS1 = 1.
P5₂/SCK2
The pin function is switched as shown below according to the combination of
bit C/A in the SCI2 SMR, bits CKE0 and CKE1 in SCR, and bit P52DDR.
CKE1
0
1
C/A
0
1
—
CKE0
0
1
—
—
P52DDR
0
1
—
—
—
Pin function
P5₂
P5₂
SCK2
SCK2
SCK2
input pin output pin output pin output pin input pin
P5₁/RxD2
P5₀/TxD2
The pin function is switched as shown below according to the combination of
bit RE in the SCI2 SCR, and bit P51DDR.
RE
0
1
P51DDR
0
1
—
Pin function
P5₁ input pin
P5₁ output pin
RxD2 input pin
The pin function is switched as shown below according to the combination of
bit TE in the SCI2 SCR, and bit P50DDR.
TE
0
1
P50DDR
0
1
—
Pin function
P5₀ input pin
P5₀ output pin
TxD2 output pin
Rev.6.00 Oct.28.2004 page 296 of 1016
REJ09B0138-0600H