ENC424J600-I/ML Microchip Technology, ENC424J600-I/ML Datasheet - Page 140

• Manufacturer Part Number: ENC424J600-I/ML
• Description: IC ETHERNET CTRLR W/SPI 44-QFN
• Manufacturer: Microchip Technology

Specifications of ENC424J600-I/ML

• Package / Case: 44-QFN
• Controller Type: Ethernet Controller
• Interface: SPI
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 96mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Input Voltage Range (max): 5.5 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 3 V to 3.6 V
• Supply Current (max): 117 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164132 - BOARD DAUGHTER PICTAIL ETHERNET
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ENC424J600/624J600
A device in Energy Detect Power-Down mode does not
transmit link pulses, but passively listens for the remote
link partner to transmit a signal in order to wake the
device. If the remote device is also in a similar Passive
Listening mode, neither device will wake-up. This
should not cause problems for normal Ethernet
equipment, such as switches and routers, but may
raise concerns if two embedded devices using this
feature will be connected directly.
DS39935C-page 138
Note:
Through compatibility testing, it has been
observed that some 3rd party Ethernet
products do not transmit link pulses that
are compliant with the IEEE 802.3 stan-
dard timing requirements. For such
devices, the ENCX24J600 PHY energy
detect feature may be unable to wake-up.
Before enabling Energy Detect Power-
Down, application designers should weigh
the compatibility risks of using this feature,
and where possible, implement a means
of disabling it by the end product user.
re-initialized, as described in Section 8.0 “Initialization” .
16.3
For applications that are extremely power-sensitive
and have no need for memory or register retention, it
may be useful to control the device using an external
power-down circuit. This allows the host controller to
completely remove power from the device. External
power-down circuitry can be designed with either a
MOSFET on the power supply pins, or by using a
regulator with output enable capabilities.
Keep in mind that an externally controlled power-
down will require the ENCX24J600 to be completely
External Power-Down
 2010 Microchip Technology Inc.