SN8F5708 datasheet(78/204 Pages) SONIX

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SN8F5708 Series

External Interrupt

Datasheet Rev. 2.4

IEN0 Register (0xA8)

Bit

Field

Type

Initial

Description

EAL

R/W

Enable all interrupt control bit.

0: Disable all interrupt function.

1: Enable all interrupt function.

EX1

R/W

External P2.2 interrupt (INT1) control bit.

0: Disable INT1 interrupt function.

1: Enable INT1 interrupt function.

EX0

R/W

External P2.1 interrupt (INT0) control bit.

0: Disable INT0 interrupt function.

1: Enable INT0 interrupt function.

Else

Refer to other chapter(s)

TCON Register (0x88)

Bit

Field

Type

Initial

Description

IE1

R/W

External P2.2 interrupt (INT1) request flag

0: None INT1 interrupt request.

1: INT1 interrupt request.

IE0

R/W

External P2.1 interrupt (INT0) request flag

0: None INT0 interrupt request.

1: INT0 interrupt request.

Else

Refer to other chapter(s)

IEN4 Register (0xD1)

Bit

Field

Type

Initial

Description

EX2

R/W

External P2.3 interrupt (INT2) control bit.

0: Disable INT2 interrupt function.

1: Enable INT2 interrupt function.

IE2

R/W

External P2.3 interrupt (INT2) request flag

0: None INT2 interrupt request.

1: INT2 interrupt request.

Else

Refer to other chapter(s)



Note: Before clear one of TF0, TF1, IE0 or IE1 flag manually by firmware, user must

be made sure others request flag in TCON register doesn’t active.

SN8F5708 Datasheet(PDF) 78 Page - SONiX Technology Company

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