
NEC => Renesas Technology
IEEE1394a-2000 COMPLIANT 400 Mbps TWO-PORT PHY LSI
The µPD72852 is a two-port physical layer LSI that complies with the IEEE1394a-2000 specifications.
The µPD72852 supports transfers of up to 400 Mbps and consumes less power than the µPD72850B. The µPD72852 is suitable for battery systems with an IEEE1394 interface.
FEATURES
• The two-port physical layer LSI complies with IEEE1394a-2000
• Fully interoperable with IEEE1394 std 1394 Link (FireWireTM, i.LINKTM)
• Meets IntelTM Mobile Power Guideline 2000
• Full IEEE1394a-2000 support includes: Suspend/Resume, connection debounce, arbitrated short bus reset, multi-speed concatenation, arbitration acceleration, fly-by concatenation
• Fully compliant with OHCI requirements
• Small package: 64-pin plastic LQFP
• Super low power: 68 mA (Operating mode)
: 115 µA (Suspend mode)
• Data rate: 400/200/100 Mbps
• Supports PHY pinging and remote PHY access packets
• 3.3 V single power supply (if power not supplied via node: 3.0 V single power supply)
• 24.576 MHz crystal clock generation, 393.216 MHz PLL multiplying frequency
• 64-bit flexible register incorporated in PHY register
• Electrically isolated Link interface
• Supports LPS/Link-on as part of PHY/Link interface
• External filter capacitors for PLL not required
• Extended Resume signaling for compatibility with legacy DV devices
• System power management by signaling of node power class information
• Cable power monitor (CPS) is equipped