HD64F2357VF13 Datasheet, PDF (329/1049 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

9.7.3 Pin Functions
Port 6 pins also function as interrupt input pins (IRQ0 to IRQ3), DMAC I/O pins (DREQ0, TEND0, DREQ1, and
TEND1), and bus control output pins (CS4 to CS7). Port 6 pin functions are shown in table 9-12.
Table 9-12 Port 6 Pin Functions
Pin
P6₇/IRQ3/CS7
P6₆/IRQ2/CS6
P6₅/IRQ1
Selection Method and Pin Functions
The pin function is switched as shown below according to bit P67DDR.
Mode
Mode 7*
Modes 4 to 6*
P67DDR
0
1
0
1
Pin function
P6₇ input pin P6₇ output pin P6₇ input pin CS7 output pin
IRQ3 interrupt input pin
Note: * Modes 6 and 7 are provided in the on-chip ROM version only.
The pin function is switched as shown below according to bit P66DDR.
Mode
Mode 7*
Modes 4 to 6*
P66DDR
0
1
0
1
Pin function
P6₆ input pin P6₆ output pin P6₆ input pin CS6 output pin
IRQ2 interrupt input pin
Note: * Modes 6 and 7 are provided in the on-chip ROM version only.
The pin function is switched as shown below according to bit P65DDR.
P65DDR
0
1
Pin function
P6₅ input pin
P6₅ output pin
IRQ1 interrupt input pin
P6₄/IRQ0
The pin function is switched as shown below according to bit P64DDR.
P64DDR
0
1
Pin function
P6₄ input pin
P6₄ output pin
IRQ0 interrupt input pin
Rev.6.00 Oct.28.2004 page 299 of 1016
REJ09B0138-0600H