LAN88730AM-C datasheet(77/82 Pages) MICROCHIP

77 / 82 page

 2012-2015 Microchip Technology Inc.

DS60001256B-page 77

LAN88730

Rev. 1.1

(12-10-12)

Section 3.8.1.1, "LED1 Polarity

Selection"

• Removed section “REGOFF and LED1 Polarity

Selection”

• Added new section

Section 3.8.9.1, "Near-end Loopback"

Added cross-reference to 100 Mbps internal

loopback timing section

Section 3.9.2, "Power Supply Diagram

(1.2 V Supplied by Internal Regulator)"

Updated figures since REGOFF is no longer

available.

Former section “Power Supply Diagram

(1.2 V Supplied by External Source)”

Removed

Section 4.2.2, "Basic Status Register"

Updated definitions of bits 10:8

Section 4.2.12, "Special Control/Status

Indications Register"

Updated bit 11 definition

Section 4.2.15, "PHY Special

Control/Status Register"

Updated bit 6 definition

Section 5.1, "Absolute Maximum

Ratings*"

• Removed “Digital Core Supply Voltage”

• Changed positive voltage on input signal pins

from “VDDIO + 2.0 V” to “VDDIO + 0.3 V”

• Changed negative voltage on input signal pins

from “-0.5 V” to “-0.3 V”

Section 5.2, "Operating Conditions**"

• Removed “Digital Core Supply Voltage”

• Changed Ethernet magnetics supply voltage

from “+2.25 V to 3.6 V” to “+3.0 V to 3.6 V”

Section 5.3, Table 5-1, “Package

Thermal Parameters”

Updated package thermal specification values

Section 5.4, "Voltage Regulator

Characteristics"

Added new section

Section 5.5, "Power Consumption"

Restructured Table 5-3, "Power Consumption" and

updated all values

Section 5.6, "DC Specifications"

Updated/restructured Table 5-4, "Non-Variable I/O

Buffer Characteristics", Table 5-5, "Variable I/O

Buffer Characteristics" and Table 5-6, "100BASE-TX

Transceiver Characteristics"

Section 5.7.2, "Power Sequence

Timing"

Updated power sequencing requirements

Section 5.7.3, "Power-On nRST &

Configuration Strap Timing"

Updated Table 5-9, "Power-On nRST &

Configuration Strap Timing Values"

Section 5.7.4, "MII Interface Timing"

Updated Table 5-10, "MII Receive Timing Values"

and Table 5-11, "MII Transmit Timing Values"

Section 5.7.5, "RMII Interface Timing"

Added note detailing CRS_DV behavior as both

carrier sense and data valid, updated Table 5-12,

"RMII Timing Values"

Rev. 1.0

(04-30-12)

Initial Release

REVISION LEVEL

& DATE

SECTION/FIGURE/ENTRY

CORRECTION

LAN88730AM-C Datasheet(PDF) 77 Page - Microchip Technology

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