CLRC63201TSLASH0FE datasheet(30/163 Pages) PHILIPS

30 / 163 page

Philips Semiconductors

Product Specification Rev. 3.0; May 2003

Multiple Protocol Contactless Reader IC

CL RC632

Confidential

5.2.1.8

InterruptRq Register

Interrupt request flags.

Name: InterruptRq

Address: 0x07

Reset value: 00000000, 0x00

SetIRq

TimerIRq

TxIRq

RxIRq

IdleIRq

HiAlertIRq

LoAlertIRq

Access

Rights

r/w

Description of the bits

Bit

Symbol

Function

SetIRq

Set to 1, SetIRq defines that the marked bits in the InterruptRq Register are set.

Set to 0 SetIRq defines, that the marked bits in the InterruptRq Register are

cleared.

Reserved for future use.

TimerIRq

Set to 1, when the timer decrements the TimerValue Register to zero.

TxIRq

Set to 1, when one of the following events occurs:

Transceive Command: All data transmitted.

Auth1 and Auth2 Command: All data transmitted.

WriteE2 Command: All data is programmed.

CalcCRC Command: All data is processed.

RxIRq

This bit is set to 1, when the receiver terminates.

IdleIRq

This bit is set to 1, when a command terminates by itself e.g. when the Command

If an unknown command is started bit IdleIRq is set.

Starting the Idle Command by the µ-Processor does not set bit IdleIRq.

HiAlertIRq

This bit is set to 1, when bit HiAlert is set. In opposite to HiAlert, HiAlertIRq stores

this event and can only be reset by means of bit SetIRq.

LoAlertIRq

This bit is set to 1, when bit LoAlert is set. In opposite to LoAlert, LoAlertIRq

stores this event and can only be reset by means of bit SetIRq.

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