XE1202A データシートの表示（PDF） - Semtech Corporation

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XE1202A

433 MHz / 868 MHz / 915 MHz Low-Power, Integrated UHF Transceiver

Semtech Corporation 

XE1202A TrueRF™

Name

RTParam_BW

RTParam_Tpow

RTParam_Osc

RTParam_WBB

RTParam_Filter

RTParam_Fsel

RTParam_Stair

RTParam_Modul

RTParam_RSSR

RTParam_Clkout

Bits

Byte Address

3-2

00000

1-0

00000

7

00001

6

00001

5

00001

4

00001

3

00001

2

00001

1

00001

0

00001

Description

Bandwidth of the BB filter:

0 0 -> 10 kHz

0 1 -> 20 kHz

1 0 -> 40 kHz

1 1 -> 200 kHz

Transmitter output power:

0 0 -> 0 dBm

0 1 -> 5 dBm

1 0 -> 10 dBm

1 1 -> 15 dBm

Source for the reference frequency:

0 -> on-chip crystal oscillator

1 -> external signal

Receiver wake-up type selection

0 -> “Boost” power up sequence

1 -> Standard power-up sequence

Pre-filtering of bit stream in

transmitter mode:

0 -> no filtering; 1 -> filtering

FEI mode:

0 -> FEI_Demodulator

1 -> FEI_Correlator

Rise and fall time when

RTParam_Filter = 1:

0 -> 10 % of bit duration

1 -> 20 % of bit duration

Modulation switch:

0 -> modulation enabled;

1 -> modulation disabled

RSSI range:

0 -> low range; 1 -> high range

CLKOUT enable:

0 -> CLKOUT disabled

1 -> CLKOUT enabled (equal to

FXTAL divided by 4, 8, 16 or 32)

Table 11: RTParam configuration register

© Semtech 2006

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