HD6433636SW datasheet(139/418 Pages) RENESAS

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125

Port Mode Register 1 (PMR1)

Bit

76543210

IRQ3

IRQ2

IRQ1

PWM

TMIG

TMOFH

TMOFL

TMOW

Initial value

00000000

Read/Write

R/W

PMR1 is an 8-bit read/write register, controlling the selection of pin functions for port 1 pins.

Upon reset, PMR1 is initialized to H'00.

Bit 7—P1

7/IRQ3/TMIF Pin Function Switch (IRQ3): This bit selects whether pin

7/IRQ3/TMIF is used as P17 or as IRQ3/TMIF.

Bit 7: IRQ3

Description

Functions as P1

7 I/O pin

(initial value)

Functions as

IRQ

3/TMIF input pin

Note:

Rising or falling edge sensing can be designated for IRQ

3/TMIF.

For information about TMIF pin settings, see 9.3.2 (3), Timer Control Register F (TCRF).

Bit 6—P1

6/IRQ2/TMCIY Pin Function Switch (IRQ2): This bit selects whether pin

6/IRQ2/TMCIY is used as P16 or as IRQ2/TMCIY.

Bit 6: IRQ2

Description

Functions as P1

6 I/O pin

(initial value)

Functions as

IRQ

2/TMCIY input pin

Note:

Rising or falling edge sensing can be designated for

IRQ

2/TMCIY.

For information on TMCIY setting, see Timer Mode Register Y (TMY), in 9.5.2.

Bit 5—P1

5/IRQ1 Pin Function Switch (IRQ1): This bit selects whether pin P15/IRQ1 is used as

5 or as IRQ1.

Bit 5: IRQ1

Description

Functions as P1

5 I/O pin

(initial value)

Functions as

IRQ

1 input pin

Note:

Rising or falling edge sensing can be designated for IRQ

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