isl3873a Intersil Corporation, isl3873a Datasheet - Page 40
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isl3873a
Manufacturer Part Number
isl3873a
Description
Wireless Lan Integrated Medium Access Controller With Baseband Processor
Manufacturer
Intersil Corporation
Datasheet
1.ISL3873A.pdf
(42 pages)
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Part Number:
isl3873aIK
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Bit 7:0
Bit 7:0
Bit 7:0
Bit 7:0
Bit 7:0
Bit 7:0
Bit 7:0
Bit 7:0
Bit 7:0
Bit 7
Bits 6:0
Bit 7:5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CONFIGURATION REGISTER ADDRESS 57 (72h) R CALCULATED CRC ON RECEIVED HEADER, HIGH
CONFIGURATION REGISTER ADDRESS 56 (70h) R CALCULATED CRC ON RECEIVED HEADER, LOW
a: NOISEfloorAntA [7:0] unsigned, range 0-255.
b: measures signal quality based on the SNR in the carrier tracking loop.
a: NOISEfloorAntB [7:0] unsigned, range 0-255.
b: 8-bit value of received signal field.
a: I DC offset, signed, sxxxx.xx.
b: 8-bit value of received service field.
a: Q DC offset, signed, sxxxx.xx.
b: 8-bit value of received length field, low byte.
a: Multipath metric, 11111111 (large multipath) to 00000000 (no multipath) on last packet received.
b: 8-bit value of received length field, high byte.
a: Multipath count. How many of last 15 packets had multipath greater than the programmed threshold (CR36 <7:5>).
b: 8-bit value of CRC calculated on header, low byte.
a: Packet signal quality metric. (1, 2, 5.5, 11Mbps) smaller value is poorer quality. Valid for reading after RXPE inactive.
b: 8-bit value of CRC calculated on header, high byte.
a&b: 8-bit value of transmit power measurement (-128 to 127 range) 64 sample average.
a: Header Signal Quality Metric. (1, 2Mbps) Smaller value is poorer quality. Valid for reading after RXPE inactive.
b: Average power of received signal after log table lookup (0--33 range in dB). Minus 33 is minimum power, 0 is maximum.
a&b: unused.
a&b: AGC output to the DAC, MSB unused.
a&b: unused.
a&b: ED, energy detect past threshold.
a&b: TX PWR det Register semaphore - a 1 indicates CR58 has updated since last read.
a&b: AGC_lock - a 1 indicates AGC is within limits of lock window CR20.
a&b: hwStopBHit - a 1 indicates rails hit, AGC updates stopped.
a&b: RX_RF_AGC - status of AGC output to RF chip.
CONFIGURATION REGISTER ADDRESS 55 (6Eh) R RECEIVED LENGTH FIELD, HIGH
CONFIGURATION REGISTER ADDRESS 54 (6Ch) R RECEIVED LENGTH FIELD, LOW
CONFIGURATION REGISTER ADDRESS 51 (66h) R SIGNAL QUALITY MEASURE
CONFIGURATION REGISTER ADDRESS 58 (74h) R TX POWER MEASUREMENT
CONFIGURATION REGISTER ADDRESS 53 (6Ah) R RECEIVED SERVICE FIELD
CONFIGURATION REGISTER ADDRESS 52 (68h) R RECEIVED SIGNAL FIELD
40
CONFIGURATION REGISTER ADDRESS 61 (7Ch) R RECEIVE STATUS
CONFIGURATION REGISTER ADDRESS 59 (78h) R RX MEAN POWER
CONFIGURATION REGISTER ADDRESS 60 (7Ah) R RX_IF_AGC
ISL3873A