SLRC400 Datasheet, PDF (41/130 Pages) NXP Semiconductors – I·CODE Reader IC

Philips Semiconductors
I•CODE Reader IC
Product Specification Rev. 2.0 November 2001
SL RC400
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
7
6
5
4
3
2
1
0
RcvClkSelI RxAutoPD 0
0
0
0
DecoderSource
Access
R/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
Rights
Description of the bits
Bit
Symbol
Function
7
RcvClkSelI If set to 1, the I-clock is used for the receiver clock.
0 indicates, the Q-clock is used. I-clock and Q-clock are 90° phase shifted to each
other
6
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: RFU
11: RFU
41
Preliminary