UPD72852中文资料瑞萨数据手册PDF规格书

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