BCM43907 Preliminary Data Sheet
USB 2.0
USB 2.0 Features
The following capabilities and features apply to the BCM43907 USB 2.0 PHY:
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Compliant with the UTMI+ level 2 specification.
Functions as a host, device, or OTG PHY.
Supports high speed (HS) at 480 Mbps, full speed (FS) at 12 Mbps, and low speed (LS) at 1.5 Mbps.
Integrates pull-up and pull-down terminations with resistor support (per an engineering change notice to the
USB 2.0 specification).
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Contains a calibrated 45Ω termination for HS TX/RX.
Uses half-duplex differential data signaling with NRZI encoding.
Recovers the data and clock from the data stream.
Integrates a 960 MHz PLL with a single-ended reference clock.
Supports host resume and remote wake-up.
Supports L1 and L2 suspend, shallow sleep, and Link-Power Management (LPM).
Supports legacy USB 1.1 devices through a serial interface.
Supports dribble bits.
Supports LS keep-alive packets (LS EOP).
Support HS keep-alive packets (HS SYNC).
Contains an onboard BERT for self-testing (PRBS and fixed patterns).
Dissipates a maximum power of 150 mW for 1-port in loop-back mode.
Contains an integrated 3.3V to 1.2V LDO.
Uses 3.3V.
Broadcom®
March 12, 2016 • 43907-DS104-R
Page 41
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