7540 datasheet(148/366 Pages) RENESAS

148 / 366 page

2-72

REJ09B0018-0200Z

Rev.2.00

Jun 21, 2004

APPLICATION

7540 Group

2.5 Timer Y and timer Z

Fig. 2.5.17 Structure of Interrupt control register 1

Fig. 2.5.18 Structure of Interrupt control register 2

Interrupt control register 1

b7 b6 b5 b4 b3 b2 b1 b0

Function

At reset

Name

Interrupt control register 1 (ICON1) [Address : 3E 16]

Serial I/O1 receive

interrupt enable bit

Serial I/O1 transmit interrupt

enable bit

0 : Interrupt disabled

1 : Interrupt enabled

CNTR0 interrupt enable bit

CNTR1 interrupt enable bit

INT0 interrupt enable bit

INT1 interrupt enable bit

Key-on wake up interrupt

enable bit

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

Timer X interrupt enable bit

0 : Interrupt disabled

1 : Interrupt enabled

Interrupt control register 2

b7 b6 b5 b4 b3 b2 b1 b0

Function

At reset

Name

Interrupt control register 2 (ICON2) [Address : 3F 16]

Timer Y interrupt

enable bit

Timer Z interrupt enable bit

0 : Interrupt disabled

1 : Interrupt enabled

Timer 1 interrupt enable bit

Timer A interrupt enable bit

Serial I/O2 interrupt enable bit

AD conversion interrupt

enable bit

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

Nothing is allocated for these bits. These are write disabled bits.

When these bits are read out, the values are “0”.

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