CLRC663 datasheet(68/177 Pages) NXP

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NXP Semiconductors

CLRC663

High performance multi-protocol NFC frontend CLRC663 and CLRC663 plus

Bit

Symbol

IRQ_Inv Hi AlertIRQEn LoAlertIRQEn IdleIRQEn

TxIRQEn

RxIRQEn ErrIRQEn

SOFIRQEn

Access

rights

r/w

Table 67. IRQ0En register (address 08h)

Bit

Symbol

Description

IRQ_Inv

Set to one the signal of the IRQ pin is inverted

Hi AlerIRQEn

Set to logic 1, it allows the High Alert interrupt Request (indicated by the bit HiAlertIRQ) to

be propagated to the GlobalIRQ

Lo AlertIRQEn

Set to logic 1, it allows the Low Alert Interrupt Request (indicated by the bit LoAlertIRQ) to

be propagated to the GlobalIRQ

IdleIRQEn

Set to logic 1, it allows the Idle interrupt request (indicated by the bit IdleIRQ) to be

propagated to the GlobalIRQ

TxIRQEn

Set to logic 1, it allows the transmitter interrupt request (indicated by the bit TxtIRQ) to be

propagated to the GlobalIRQ

RxIRQEn

Set to logic 1, it allows the receiver interrupt request (indicated by the bit RxIRQ) to be

propagated to the GlobalIRQ

ErrIRQEn

Set to logic 1, it allows the Error interrupt request (indicated by the bit ErrorIRQ) to be

propagated to the GlobalIRQ

RxSOFIRQEn

Set to logic 1, it allows the RxSOF interrupt request (indicated by the bit RxSOFIRQ) to be

propagated to the GlobalIRQ

Table 68. IRQ0En bits

9.5.4 IRQ1En

Interrupt request enable register for IRQ1.

Bit

Symbol IRQPushPull IRQPinEn LPCD_IRQEn

Timer4

IRQEn

Timer3

IRQEn

Timer2

IRQEn

Timer1

IRQEn

Timer0

IRQEn

Access

rights

r/w

Table 69. IRQ1EN register (address 09h);

Bit

Symbol

Description

IRQPushPull

Set to 1 the IRQ-pin acts as PushPull pin, otherwise it acts as OpenDrain pin

IRQPinEN

Set to logic 1, it allows the global interrupt request (indicated by the bit GlobalIRQ) to be

propagated to the interrupt pin

LPCD_IRQEN

Set to logic 1, it allows the LPCDinterrupt request (indicated by the bit LPCDIRQ) to be

propagated to the GlobalIRQ

Table 70. IRQ1EN bits

CLRC663

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 5.3 — 3 January 2024

68 / 177

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