11-325
RF3000
Rev A4 031216
Index
GENERAL DESCRIPTION
Figure 4. 2.4GHz IEEE802.11b Chipset Diagram
Figure 5. RF3000 Block Diagram
SPI CONTROL PORT
SPI Mode Description
SPI Mode Pin Definitions Table
SPI Method of Operation
Write
Read
SPI Operation Summary
Write
Read
SPI Mode Functional Timing Diagrams
Figure 6. SPI Write Functional Timing Diagram
Figure 7. SPI Read Functional Timing Diagram
METHOD OF OPERATION
IEEE802.11b Transmit Modes
IEEE802.11b DSSS Transmit Modes
IEEE802.11b DSSS Transmission Summary
Figure 8. IEEE802.11b Transmit Timing Overview
Figure 8a. Alternate Transmit Interface
IEEE802.11b Receive Mode
Diversity
Figure 9. Diversity and AGC Algorithm
AGC Algorithm
Figure 10. AGC Decision Structure
AGC Calibration
Figure 11. High Gain Mode (LNAGS=1) Plot of
RXVGC Showing Normal Operation and Calibration
Ranges
Figure 12. Low Gain Mode (LNAGS=0) Plot of
RXVGC Showing Normal Operation and Calibration
Ranges
High Gain Calibration Procedure
Low Gain Calibration Procedure
Post-AGC
IEEE802.11b DSSS Receive Summary
Figure 13. IEEE802.11b Receive Timing Overview
Figure 13a. Alternate Receiver Interface
BLOCK DIAGRAM BREAKOUT
Modulator
PSK Modes
CCK Mode
IEEE802.11b Preamble/Header Creation and
Assembly
Demodulator
PSK Modes
CCK Mode
IEEE802.11b Preamble/Header Detection and
Extraction
Data Converters
A/D Converters
D/A Converters
RSSI, CCA and AGC
Scramblers
Diversity
Equalizer
CONTROL PORT REGISTER DEFINITIONS FOR
RF3000
Register 0x0 - Reserved
Register 0x01 - Modem Control and RX Status
Mode 3-0 - TX Mode Table
Register 0x02 - CCA Control
CCA1, CCA0 - 802.11 CCA Mode Table
Register 0x03 - Diversity and RSSI Value
Register 0x04 - RX Signal Field
Register 0x05 - RX Length Field MSB’s
Register 0x06 - RX Length Field LSB’s
Register 0x07 - RX Service Field
Register 0x08 - Reserved
Register 0x09 - Reserved
Register 0x0A - Reserved
Register 0x0B - Reserved
Register 0x0C - Reserved
Register 0x0D - Reserved
Register 0x0E - Reserved
Register 0x0F - Reserved
Register 0x10 - Reserved
Register 0x11 - TX Variable Gain and TX Length Field
Extension
Scrambler Mode Table
Register 0x12 - TX Length Field MSB’s
Register 0x13 - TX Length Field LSB’s
Register 0x14 - Low Gain Calibration
Register 0x15 - High Gain Calibration
Register 0x16 - Reserved
Register 0x17 - Reserved
Register 0x18 - Reserved
Register 0x19 - Reserved
Register 0x1A - Reserved
Register 0x1B - Reserved
Register 0x1C - Options Register 1
Register 0x1D - Options Register 2
Register 0x1E - Reserved
Register 0x1F - Reserved
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