MPL460AT-ISLASH4LB datasheet(7/48 Pages) MICROCHIP

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PL460

Signal Description

Data Sheet

DS60001666D - 7

Signal Description

Table 3-1. Signal Description List

Signal Name

Function

Type

Active

Level

Voltage

Reference

Comments

Power Supplies

VDDIO

3.3V Digital supply

Power

—

3.0V to 3.6V (Note 1)

VDDIN

3.3V Voltage input for core voltage

regulator

Power

—

3.0V to 3.6V (Note 1)

VDDIN_AN

3.3V Analog supply (ADC + PGA)

Power

—

3.0V to 3.6V (Note 2)

VDDCORE

1.25V Voltage Regulator Output with

internal connection to Core power supply

Power

—

1.25V (Note 3)

VDDPLL

1.25V PLL power supply input. Must be

connected to VDDCORE through a LP filter

Power

—

1.25V (Note 4)

VREGP

PLC Driver voltage regulator output for

external decoupling capacitor

Power

—

(Note 5)

VREGN

PLC Driver voltage regulator output for

external decoupling capacitor

Power

—

(Note 6)

PVDDAMP

Power supply of PLC driver amplifier and

regulators

Power

—

8V to 16V (Note 7, 8)

VDDAMP

3.3V Digital and analog power supply of

PLC driver

Power

—

3.0 to 3.6V (Note 9)

GND

Digital ground

Power

—

(Note 10)

AGND

Analog ground

Power

—

(Note 10)

PGND

Power ground of PLC driver

Power

—

(Note 10)

GNDAMP

Analog ground of PLC driver

Power

—

(Note 10)

Clocks, Oscillators and PLLs

XIN

Crystal Oscillator Input

Input

—

VDDIO

—

XOUT

Crystal Oscillator Output

Output

—

VDDIO

—

Reset/Enable

NRST

System Reset

Input

Low

VDDIO

(Note 11)

ENABLE

Enable Internal core voltage regulator

Input

High

VDDIO

—

Power Line Communications

OUT

Switching amplifier output

Output

—

PVDDAMP

—

ASO[0:1]

Analog Switch Outputs to disable the

bandpass filtering when there is no PLC

transmission activity

Output

—

PVDDAMP

High-voltage, high-current,

and low resistance analog

switches.

ASI[0:1]

Analog Switch status

Output

—

VDDIO

—

VIN

PLC signal reception input

Input

—

VDDIN_AN

—

AGC

Automatic Gain Control. This digital tri-

state output is managed by AGC hardware

logic to drive external circuitry when input

signal attenuation is needed

Output

—

VDDIO

(Note 12)

VZC

Mains Zero-Cross Detection Signal. This

input detects the zero-crossing of the

mains voltage

Input

—

VDDIO

External Protection

Resistor (Note 12, 13)

VREFP

Internal Reference “Plus” Voltage

Analog

—

VDDIN_AN

(Note 14)

VREFN

Internal Reference “Minus” Voltage

Analog

—

VDDIN_AN

(Note 14)

VREFC

Internal Reference Common-mode

Voltage

Analog

—

VDDIN_AN

(Note 15)

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