DP83924 datasheet(8/42 Pages) NSC

8 / 42 page

1.0 Pin Information (Continued)

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Table 5. POWER AND GROUND Pins (33 Pins)

Symbol

Pins

Type

Description

100

No Connect;

VDD_TPI_4 VDD_TPI_3

VDD_TPI_2 VDD_TPI_1

Power for TPI Ports 1-4;

GND_TPI_4

GND_TPI_3

GND_TPI_2

GND_TPI_1

Ground for TPI Ports 1-4;

VDD_PLL_2

VDD_PLL_1

Power for PLL Circuitry;

(Digital PLL)

GND_PLL_4

GND_PLL_3

GND_PLL_2

GND_PLL_1

Ground for PLL Circuitry;

(Digital PLL)

VDD_WSPLL_1

Power for Wave Shaper and PLL Circuitry;

(Analog PLL)

GND_WSPLL_1

Ground for Wave Shaper and PLL Circuitry;

VDD_WS_1

Power for Wave Shaper Circuitry

GND_WS_1

Ground for Wave Shaper Circuitry

VDD_DIG

Power for Core Logic;

GND_DIG

Ground for Core Logic;

GND_CLK

Ground for Clock Circuitry;

VDD_CLK

Power for Clock Circuitry;

GND_2 GND_1

Ground for NRZ Circuitry;

VDD_1

Power for NRZ Circuitry;

Table 6. Pin Type Description

Pin Type

Description

Input Buffer

Output Buffer (driven at all times)

I/O

Bi-directional Buffer.

O, Z

Output Buffer with High Impedance Capability

Open Drain-Like Output. Either driven Low or to a High Impedance State.

DP83924 Datasheet(PDF) 8 Page - National Semiconductor (TI)

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