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XR18W753IL48-F

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27
XR18W753
13
REV. 1.0.0 SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER
0x05 INT_STATUS b[0] = 0 --> indicates the pck_tx_ready interrupt occurred
b[1] = 0 --> indicates the pck_received interrupt occurred
b[2] = 0 --> indicates the cca_ed_ready interrupt occurred
b[3] = 0 --> indicates the plme_ready interrupt occurred
b[7:4] not used
Via this register, the modem interrupt status can be read. Once
read, the content of the register will automatically set to 0x00.
R
0x10 MODEM_REQUEST b[4:0] = 00xxx --> no request (x indicates “don’t care”)
b[4:0] = 01000 --> plme-set-trx-state = FORCE_TRX_OFF
b[4:0] = 01010 --> plme-set-trx-state = RX_ON
b[4:0] = 01011 --> plme-set-trx-state = TX_ON
b[4:0] = 01100 --> pd-data.request (TX-data)
b[4:0] = 01101 --> plme-ED.request
b[4:0] = 01110 --> plme-CCA.request
b[4:0] = 01111 --> not used
b[4:0] = 10000 --> PLL off
b[4:0] = 10001 --> PLL on
b[6:5] = 00 --> not used
b[6:5] = 01 --> CCA mode1
b[6:5] = 10 --> CCA mode2
b[6:5] = 11 --> CCA mode3
b[7] = 0 --> after full reception of a packet, the modem is accepting
new incoming data (continuous packet reception)
b[7] = 0 --> after full reception of a packet, the PLME goes to
TRX_OFF state (one shot packet reception)
This register is used for:
1. Sending PLME related requests to the modem.
2. Defining CCA mode for clear channel assessment .
3. Defining whether the modem should be sensitive for data after
a full reception of a data packet.
R/W
3.2 DETAILED REGISTERS DESCRIPTIONS
ADDRESS REGISTER NAME DESCRIPTION TYPE
XR18W753
14
SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER REV. 1.0.0
0x11 MODEM_CONF_0 b[2:0] = 000 --> plme-set-trx-state = TRX_OFF
b[2:0] = 001 --> plme-set-trx-state = SUCCESS
b[2:0] = 010 --> plme-set-trx-state = RX_ON
b[2:0] = 011 --> plme-set-trx-state = TX_ON
b[2:0] = 100 --> plme-set-trx-state = BUSY_RX
b[2:0] = 101 --> plme-set-trx-state = BUSY_TX
b[2:0] = 110 --> not used
b[2:0] = 111 --> not used
b[4:3] = 00 --> plme-CCA = TRX_OFF
b[4:3] = 01 --> plme-CCA = TX_ON
b[4:3] = 10 --> plme-CCA = BUSY
b[4:3] = 11 --> plme-CCA = IDLE
b[6:5] = 00 --> plme-ED = TRX_OFF
b[6:5] = 01 --> plme-ED = TX_ON
b[6:5] = 10 --> plme-ED = SUCCESS
b[6:5] = 11 --> not used
b[7] not used
This register is used for reading the confirmation of the PLME of the
modem.
R
0x12 MODEM_CONF_1 [1:0] = 00 --> pd-data = TRX_OFF
b[1:0] = 01 --> pd-data = RX_ON
b[1:0] = 10 --> pd-data = SUCCESS
b[1:0] = 11 --> not used
b[2] = 0 --> no CRC error in received frame
b[2] = 1 --> CRC error in received frame
b[7:4] not used
This register is used for reading the confirmation of the PLME of the
modem and the result of the CRC computation of the received data
packet.
R
3.2 DETAILED REGISTERS DESCRIPTIONS
ADDRESS REGISTER NAME DESCRIPTION TYPE
XR18W753
15
REV. 1.0.0 SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER
0x13 ED_AV_TIME Measurement time for ED Measurement
b[3:0] = 0000 --> 8 symbols
b[3:0] = 0001 --> 5.0 mSec
b[3:0] = 0010 --> 5.5 mSec
b[3:0] = 0011 --> 6.0 mSec
b[3:0] = 0100 --> 6.5 mSec
b[3:0] = 0101 --> 7.0 mSec
b[3:0] = 0110 --> 7.5 mSec
b[3:0] = 0111 --> 8.0 mSec
b[3:0] = 1000 --> 8.5 mSec
b[3:0] = 1001 --> 9.0 mSec
b[3:0] = 1010 --> 9.5 mSec
b[3:0] = 1011 --> 10.0 mSec
b[3:0] = 11xx --> 10.0 mSec
b[7:4] not used
Via this register, the ED measurement time can be defined. In case
value 0 is chosen, the measurement time is compliant to the defini-
tion of the IEEE802.15.4b standard. In the 902-928 MHz band, the
measurement time equals 128us. For the 868 MHz band, this sym-
bol time equals 320us.
R/W
0x14 MODEM_ED LQI Value, updated as a result of successful ED measurement.
The result of the ED measurement is available in this register.
The value is normalized and on average will be independent from
the ED measurement time (ED_AV_TIME). Note that the value of
MODEM_ED also depends on the content of ED_THRESH (0x2E).
R
0x15 MODEM_LQI LQI Value, updated after complete frame reception.
During reception of a data packet, the correlation values of the
symbol mapping is accumulated and divided by the number of sym-
bols in the packets. The number is a normalized Link Quality Indi-
cation.
R
0x16-0x1F Reserved - -
3.2 DETAILED REGISTERS DESCRIPTIONS
ADDRESS REGISTER NAME DESCRIPTION TYPE
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27

XR18W753IL48-F

Mfr. #:
Buy XR18W753IL48-F
Manufacturer:
MaxLinear
Description:
RF Receiver UART
Lifecycle:
New from this manufacturer.
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