HD6432351 datasheet(399/1025 Pages) RENESAS

399 / 1025 page

Section 9 I/O Ports

Rev. 3.00 Sep 15, 2006 page 365 of 988

REJ09B0330-0300

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

Selection Method and Pin Functions

P67/IRQ3/CS7

The pin function is switched as shown below according to bit P67DDR.

Mode

Modes 1 to 3, 7*

Modes 4 to 6*

P67DDR

Pin function

P67 input pin P67 output pin P67 input pin CS7 output pin

IRQ3 interrupt input pin

P66/IRQ2/CS6

The pin function is switched as shown below according to bit P66DDR.

Mode

Modes 1 to 3, 7*

Modes 4 to 6*

P66DDR

Pin function

P66 input pin P66 output pin P66 input pin CS6 output pin

IRQ2 interrupt input pin

P65/IRQ1

The pin function is switched as shown below according to bit P65DDR.

P65DDR

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

Pin function

P64 input pin

P64 output pin

IRQ0 interrupt input pin

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