CLRC63201TSLASH0FE datasheet(49/163 Pages) PHILIPS

49 / 163 page

Philips Semiconductors

Product Specification Rev. 3.0; May 2003

Multiple Protocol Contactless Reader IC

CL RC632

Confidential

5.2.4.7

RxControl2 Register

controls decoder behaviour and defines the input source for the receiver.

Name:RxControl2

Address: 0x1E

Reset value: 01000001, 0x41

RcvClkSelI

RxAutoPD

DecoderSource

Access

Rights

r/w

Description of the bits

Bit

Symbol

Function

RcvClkSelI

If set to 1, the I-clock is used for the receiver clock.

Set to 0 indicates, that the Q-clock is used. I-clock and Q-clock are 90° phase

shifted to each other

RxAutoPD

If set to 1, the receiver circuit is automatically switched on before receiving and

switched off afterwards. This may be used to reduce current consumption.

If set to 0, the receiver is always activated.

5-2

0000

These values shall not be changed

1-0

DecoderSource

Selects the source for the decoder input:

00:

Low

01:

Internal Demodulator

10:

A subcarrier modulated Manchester coded signal at Pin MFIN

11:

A baseband Manchester coded signal at Pin MFIN

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