TMPR4925 datasheet(480/590 Pages) TOSHIBA

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Chapter 15 Interrupt Controller

15-30

15.4.18 Interrupt Request Polarity Control Register (IRPOL)

0xF518

FPC

[31]

[30]

[29]

[28]

[27]

[26]

[25]

[24]

[23]

[22]

[21]

[20]

[19]

[18]

[17]

[16]

R/W

: Type

0x0000

: Initial value

FPC

[15]

[14]

[13]

[12]

[11]

[10]

[9]

[8]

[7]

[6]

[5]

[4]

[3]

[2]

[1]

[0]

R/W

: Type

0x0000

: Initial value

Bits

Mnemonic

Field Name

Explanation

31:0

FPC[31:0]

Flag Polarity

Control

Flag Polarity Control[31:0] (Initial value: 0x0000_0000, R/W)

These bits specify the polarity of the flag bit that generated the interrupt. An

interrupt request is generated when the XOR of the FPC bit and the flag bit is “1.”

Flag bit (PF)

FPC bit

Interrupt request

Yes

Figure 15.4.18 Interrupt Request Polarity Control Register

15.4.19 Interrupt Request Control Register (IRRCNT)

0xF51C

Reserved

: Type

: Initial value

Reserved

EXTPOL

INTPOL

R/W

R/W : Type

: Initial value

Bits

Mnemonic

Field Name

Explanation

31:3



Reserved



External Interrupt

OD Control

External Interrupt Open Drain Control (Initial value: 0, R/W)

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

1EXTPOL

External Interrupt

Request Polarity

Control

External Interrupt Polarity Control (Initial value: 1, R/W)

This bit specifies the polarity of external interrupt requests.

0: Do not reverse polarity of interrupt requests.

1: Reverse polarity of interrupt requests

INTPOL

Internal Interrupt

Request Polarity

Control

Internal Interrupt Polarity Control (Initial value: 1, R/W)

This bit specifies the polarity of internal interrupt requests.

0: Do not reverse polarity of interrupt requests.

1: Reverse polarity of interrupt requests

Figure 15.4.19 Interrupt Request Control Register

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