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Device Pinouts

The PC87782 is available in 160-pin and a 100-pin packag-

es. Figure 2 and Figure 3 show the pin assignments for the

two package sizes, and Table 1, “PC87782 Signals (100-Pin

Package),” on page 6, shows the pin assignments for all

package types.

Pin Descriptions

The following tables describe the input pins, output pins, bi-

directional input/output pins, and power supply pins of the

PC87782. n these pin description tables, the following abbre-

viations are used to describe the pin types:

SCL

I/O

SMB clock signal

SDA

I/O

SMB data signal

SOFT_ON

Output

Software Control to Power Supply

TXD0-3

Output

MII Interface: Transmit Data nibble

TX_CLK

Input

MII Interface: Transmit Clock

TX_EN

Output

MII Interface: Transmit Enable

VID0-4

Input

Voltage Identifier Strap Inputs

VREF

Analog Input

A/D Reference Voltage.

Power

Analog Supply for the on-chip A/D and D/A

Power (4)

Power Supply. +5 Volt supply

AGND

Power

Analog Ground for the on-chip A/D and D/A

GND

Power (4)

Ground for on-chip logic and output drivers

Table 1 PC87782 Signals (100-Pin Package)

Signal Name

Type

Function