BCM43143KMLGT Datasheet, PDF (22/58 Pages) Cypress Semiconductor – Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio with USB/SDIO Host Interface

BCM43143 Advance Data Sheet
IEEE 802.11n PHY Description
IEEE 802.11n PHY Description
The PHY supports:
• Programmable data rates from MCS 0–7 in 20 MHz and 40 MHz channels, as specified in 802.11n.
• Short Guard Interval (SGI) and optional reception of two space-time block encoded streams.
• All scrambling, encoding, forward error correction, and modulation in the transmit direction, and inverse
operations in the receive direction.
• Advanced digital signal processing technology for best-in-class receive sensitivity.
• Both mixed-mode and optional greenfield preamble of 802.11n.
• Both long and optional short IEEE 802.11b preambles.
• Closed-Loop transmit power control.
• Per-packet receive antenna diversity.
• Automatic Gain Control (AGC).
• Available per-packet channel quality and signal strength measurements.
The BCM43143 PHY provides baseband processing at all mandatory 802.11n data rates up to 150 Mbps, and
the legacy rates specified in IEEE 802.11b/g, including 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, and 54 Mbps. This
core acts as an intermediary between the MAC and the 2.4 GHz radio, converting back and forth between
packets and baseband waveforms.
Figure 8: PHY Block Diagram
Filters and
Radio Comp
Frequency and
Timing Synch
AFE
and
Radio
Radio
Control
Block
Carrier Sense,
AGC, and Rx
FSM
Common Logic
Block
Tx FSM
Buffers
Filters and
Radio Comp
PA Comp
CCK/DSSS
Demodulate
OFDM
Demodulate
Viterbi
Decoder
Descramble
and Deframe
FFT/IFFT
MAC
Interface
Modulation
and Coding
Modulate and
Spread
Frame and
Scramble
COEX
Broadcom^®
November 14, 2014 • 43143-DS104-R
Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio
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