UPD72852 データシートの表示（PDF） - NEC => Renesas Technology

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UPD72852

IEEE1394a-2000 COMPLIANT 400 Mbps TWO-PORT PHY LSI

NEC => Renesas Technology 

µPD72852

3.2 Cable Interface

3.2.1 Connections

Connection Detection Current

Connection Detection Comparator

Figure 3-4. Cable Interface

Common Mode Speed Current Driver

+

–

Driver

Receiver

+

–

Arbitration Comparators

+

–

TpBias

TpAp

7 kΩ

7 kΩ

TpAn

56 Ω

56 Ω

1 µF

+

–

Common Mode Comparators

+

–

+

–

Common Mode Speed Current Driver

56 Ω

56 Ω

5.1 kΩ

TpBp

7 kΩ

7 kΩ

TpBn

270 pF

Driver

Receiver

+

–

Arbitration Comparators

+

–

+

–

TpBias Detection Comparator

+

–

Connection Detection Current

Connection Detection Comparator

Driver

Receiver

+

–

Arbitration Comparators

+

–

+

–

TpBias Detection Comparator

+

–

TpBp

7 kΩ

7 kΩ

TpBn

56 Ω

56 Ω

270 pF

5.1 kΩ

TpBias

56 Ω

56 Ω

TpAp

7 kΩ

7 kΩ

TpAn

1 µF

+

–

Driver

Receiver

+

–

Arbitration Comparators

+

–

+

–

Common Mode Comparators

+

–

+

–

Data Sheet S14920EJ3V0DS

17

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