Renesas PROM Programming Adapter PCA7435FPG02 Dokumentacja Pobierz pdf (Strona 17)

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Rev.3.00 Oct 23, 2006 page 17 of 53

REJ03B0099-0300

Fig. 16 Interrupt control

Fig. 17 Structure of Interrupt-related registers

Interrupt disable flag I

Interrupt request

Interrupt request bit

Interrupt enable bit

BRK instruction

Reset

b7 b0

Interrupt edge selection register

INT0 interrupt edge selection bit

0 : Falling edge active

1 : Rising edge active

INT

1 interrupt edge selection bit

0 : Falling edge active

1 : Rising edge active

Not used (returns “0” when read)

Serial I/O1 or INT

1 interrupt selection bit

0 : Serial I/O1

1 : INT

Timer X or key-on wake up interrupt selection bit

0 : Timer X

1 : Key-on wake up

Timer 2 or serial I/O2 interrupt selection bit

0 : Timer 2

1 : Serial I/O2

CNTR

0 or AD converter interrupt selection bit

0 : CNTR

1 : AD converter

(INTEDGE : address 003A

16)

Interrupt request register 1

UART receive/USB IN token interrupt request bit

UART transmit/USB SETUP/OUT token/ Reset/Suspend/Resume/INT interrupt request bit

INT

0 interrupt request bit

Timer X or key-on wake up interrupt request bit

Timer 1 interrupt request bit

Timer 2 or serial I/O2 interrupt request bit

CNTR

0 or AD converter interrupt request bit

Not used (returns “0” when read)

0 : No interrupt request issued

1 : Interrupt request issued

(IREQ1 : address 003C

16)

b7 b0

Interrupt control register 1

UART receive/USB IN token interrupt enable bit

UART transmit/USB SETUP/OUT token/ Reset/Suspend/Resume/INT interrupt enable bit

INT

0 interrupt enable bit

Timer X or key-on wake up interrupt enable bit

Timer 1 interrupt enable bit

Timer 2 or serial I/O2 interrupt enable bit

CNTR

0 or AD converter interrupt enable bit

Not used (returns “0” when read)

(Do not write “1” to this bit)

0 : Interrupts disabled

1 : Interrupts enabled

(ICON1 : address 003E16)

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 55 56

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