TMPR4937 datasheet(488/552 Pages) TOSHIBA

tên linh kiện	TMPR4937

Giải thích chi tiết về linh kiện	64-Bit TX System RISC TX49 Family

PDF	552 Pages

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nhà sản xuất	TOSHIBA [Toshiba Semiconductor]

Trang chủ	http://www.semicon.toshiba.co.jp/eng

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Chapter 15 Interrupt Controller

15-42

15.4.19 Interrupt Request Control Register (IRRCNT)

0xF51C

Reserved

: Type

: Default

Reserved

ODC EXTPOL INTPOL

R/W

R/W : Type

: Default

Bit

Mnemonic

Field Name

Explanation

Read/Write

31:3

⎯

Reserved

⎯

ODC

External Interrupt

OD Control

External Interrupt Open Drain Control (Default: 0)

This bit specifies whether to make the external interrupt signal (IRC[2]*)

an open drain pin or not.

0: Open drain (reset)

1: Totem pole

R/W

EXTPOL

External Interrupt

Request Polarity

Control

External Interrupt Polarity Control (Default: 1)

This bit specifies the polarity of external interrupt requests.

0: Do not reverse polarity of interrupt requests.

1: Reverse polarity of interrupt requests

R/W

INTPOL

Internal Interrupt

Request Polarity

Control

Internal Interrupt Polarity Control (Default: 1)

This bit specifies the polarity of internal interrupt requests.

0: Do not reverse polarity of interrupt requests.

1: Reverse polarity of interrupt requests

R/W

Figure 15.4.19 Interrupt Request Control Register

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