D12320VF25V Datasheet, PDF (332/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 8 I/O Ports
8.12.3 Pin Functions
Port G pins also function as bus control signal output pins (CS0 to CS3, CS6, CS7) the A/D
converter input pin (ADTRG), and interrupt input pins (IRQ6, IRQ7). The pin functions are
different in mode 7*¹, and modes 4 to 6*¹. Port G pin functions are shown in table 8.22.
Table 8.22 Port G Pin Functions
Pin
PG4/CS0
Selection Method and Pin Functions
The pin function is switched as shown below according to the operating mode
and bit PG4DDR.
Operating
Mode
Modes 4 to 6^*1
Mode 7^*1
PG4DDR
Pin function
0
1
0
1
PG4 input pin CS0 output pin PG4 input pin PG4 output pin
PG3/CS1/CS7
The pin function is switched as shown below according to the operating mode
and CSS17 bit in PFCR1, CS167E bit in PFCR2, and bit PG3DDR.
Operating
Mode
Modes 4 to 6^*1
Mode 7^*1
PG3DDR
0
1
0
1
CS167E
—
0
1
—
—
CSS17
—
—
0
1
—
—
Pin function
PG3
input
pin
PG3
output
pin
CS1
output
pin
CS7
output
pin
PG3
input
pin
PG3
output
pin
PG2/CS2
The pin function is switched as shown below according to the operating mode
and CS25E bit in PFCR2, and bit PG2DDR.
Operating
Mode
Modes 4 to 6^*1
Mode 7^*1
PG2DDR
0
1
0
1
CS25E
—
0
1
—
—
Pin function
PG2 input PG2 output CS2 output PG2 input PG2 output
pin
pin
pin
pin
pin
Rev.7.00 Feb. 14, 2007 page 298 of 1108
REJ09B0089-0700