7545 datasheet(22/62 Pages) RENESAS

22 / 62 page

Rev.1.06

Mar 07, 2008

Page 22 of 59

REJ03B0140-0106

7545 Group

Fig. 17 Structure of interrupt-related registers

Interrupt request register 1

(IREQ1 : address 003C16, initial value : 0016)

Timer 2 interrupt request bit

Key-on wakeup interrupt request bit

Timer 1 interrupt request bit

Timer 3 interrupt request bit

INT1 interrupt request bit

INT0 interrupt request bit

Disable (returns “0” when read)

(Do not write “1” to these bits)

Interrupt edge selection register

INT0 interrupt edge selection bit

(INTEDGE : address 003A16, initial value : 0016)

Disable (returns “0” when read)

1 : Rising edge active

0 : Falling edge active

INT1 interrupt edge selection bit

1 : Rising edge active

0 : Falling edge active

Port P04

Port P01

Port P00

0: Key-on wakeup invalid

1: Key-on wakeup valid

Port P02

Port P03

Port P05

Port P06

Port P07

Key-on wakeup pin selection register

(KEYSEL: address 001816, initial value: 0016)

Port P04

Port P01

Port P00

0: Falling edge

1: Rising edge

Port P02

Port P03

Port P05

Port P06

Port P07

Key-on wakeup edge selection register

(KEYEDGE: address 001916, initial value: 0016)

Timer 2 interrupt enable bit

Interrupt control register 1

(ICON1 : address 003E16, initial value : 0016)

Key-on wakeup interrupt enable bit

Timer 1 interrupt enable bit

Timer 3 interrupt enable bit

INT1 interrupt enable bit

INT0 interrupt enable bit

Disable (returns “0” when read)

(Do not write “1” to these bits)

7545 Datasheet(PDF) 22 Page - Renesas Technology Corp

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