Data Sheet
ADIN2111
Low Complexity, 2-Port Ethernet Switch with Integrated 10BASE-T1L PHYs
FEATURES
FUNCTIONAL BLOCK DIAGRAM
► 10BASE-T1L IEEE Standard 802.3cg-2019 compliant
► Cable reach up to 1700 m
► Integrated switch with SPI
► Supports OPEN Alliance 10BASE-T1x MACPHY SPI
► Frame forwarding rules between ports and host
► 16 MAC address filters
► High and low priority queues with 28 kB buffer
► Cut through or store and forward operation
► IEEE 1588 timestamp support
► Statistic counters
► Low power consumption: 77 mW (dual supply, 1.0 V p-p)
► Supports 1.0 V p-p and 2.4 V p-p transmit levels
► 2-pin MDI (receive, transmit)
Figure 1.
GENERAL DESCRIPTION
► Internal termination resistors
► Autonegotiation capability
► Diagnostics
► Cable fault detection with TDR
► Link quality indicator with MSE
The ADIN2111 is a low power, 2-port 10BASE-T1L transceiver
designed for industrial Ethernet applications, and is compliant with
®
™
the IEEE 802.3cg-2019 Ethernet standard for long reach, 10
Mbps single pair Ethernet (SPE). Featuring an integrated media
access control (MAC) and a switch, the ADIN2111 enables direct
connectivity with a variety of controllers via a serial peripheral inter-
face (SPI). The switch (cut through or store and forward) supports
various routing configurations between the two Ethernet ports and
the SPI host port providing a flexible solution for line, daisy-chain,
or ring network topologies.
► Link diagnostics and IEEE test modes
► 25 MHz crystal or external clock input
► Single or dual supply with 1.8 V or 3.3 V operation
► Electromagnetic compatibility (EMC) test standards
► IEC 61000-4-4 electrical fast transient (±4 kV)
► IEC 61000-4-2 ESD (±4 kV contact discharge)
► IEC 61000-4-2 ESD (±8 kV air discharge)
► IEC 61000-4-6 conducted immunity (10 V/m)
► IEC 61000-4-5 surge (±4 kV)
► IEC 61000-4-3 radiated immunity (Class A)
► EN55032 radiated emissions (Class B)
► Small package: 48-lead, 7 mm × 7 mm LFCSP
► Temperature range
The ADIN2111 can be used in unmanaged configurations where the
device automatically forwards the traffic between the two Ethernet
ports.
The device integrates the switch, two Ethernet physical layer (PHY)
cores with a MAC interface and all the associated analog circuitry,
and input and output clock buffering. The device also includes
internal buffer queues, the SPI and subsystem registers, as well
as the control logic to manage the reset and clock control and
hardware pin configuration.
► Industrial: −40°C to +85°C
► Extended: −40°C to +105°C
The ADIN2111 has an integrated voltage supply monitoring circuit
and power-on reset (POR) circuitry to improve system level robust-
ness. The 4-wire SPI for communication with the host can be
configured to OPEN Alliance SPI or generic SPI. Both modes
support optional data protection or cyclic redundancy check (CRC).
APPLICATIONS
► Building automation and fire safety
► Factory automation
► Condition monitoring and machine connectivity
Analog Devices is in the process of updating documentation to provide terminology and language that is culturally appropriate. This is a process
with a wide scope and will be phased in as quickly as possible. Thank you for your patience.
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable "as is". However, no responsibility is assumed by Analog
Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to
DOCUMENT FEEDBACK
change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
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