PC87782 Datasheet, PDF (7/17 Pages) National Semiconductor (TI) – CompactRISC Intelligent System Management Controller

Table 1 PC87782 Signals (100-Pin Package)
Signal Name
SCL
SDA
SOFT_ON
TXD0-3
TX_CLK
TX_EN
VID0-4
VREF
AV_CC
V_CC
AGND
GND
Type
I/O
I/O
Output
Output
Input
Output
Input
Analog Input
Power
Power (4)
Power
Power (4)
Function
SMB clock signal
SMB data signal
Software Control to Power Supply
MII Interface: Transmit Data nibble
MII Interface: Transmit Clock
MII Interface: Transmit Enable
Voltage Identifier Strap Inputs
A/D Reference Voltage.
Analog Supply for the on-chip A/D and D/A
Power Supply. +5 Volt supply
Analog Ground for the on-chip A/D and D/A
Ground for on-chip logic and output drivers
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:
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