EV-RPG2-ECZ datasheet(18/21 Pages) AD

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Data Sheet

ADIN2299

THEORY OF OPERATION

analog.com

Rev. D | 18 of 21

INDUSTRIAL ETHERNET MOD AND NET LEDS

LED behavior is specified by each protocol. The functionality of

the MOD and NET LEDs, shown as LED1 and LED2 in Table 16

vary depending on the industrial Ethernet protocol selected. This

functionality is described in the RPG2 Hardware Design Integration

Guide.

PROGRAMMING

The secure methods of updating the module are through the follow-

ing:

►

The industrial Ethernet ports via a webserver interface described

in the RPG2 Web Server User Guide.

►

A JTAG connection, which is described further in the RPG2

Programming Guide.

If the ADIN2299 schematic is implemented directly on the customer

board as a reference design instead of purchasing a module, the

only option for programming is through a JTAG connection using

the Segger toolchain. Note that a serial wire debug connection

is not supported. See the RPG2 Programming Guide for more

information.

APPLICATION CIRCUIT SUPPORT CIRCUITRY

Table 16 lists the required external components in the ADIN2299

application circuit, as shown in Figure 16.

Table 16. External Components

Component

Value

Recommended Component

Notes/Comments

Manufacturer

Manufacturer Part Number1

Capacitors

Decoupling for 3.3 V

47 μF

User specified

It is recommended to decouple each voltage rail with 47

μF, 0.1 μF, and 4.7 μF capacitors. These are at a 20%

tolerance.

0.1 μF

User specified

4.7 μF

User specified

LEDs

LED1 and LED2

Kingbright

KPBA-3010ESGC

Dual color, green and red.

Transient Voltage Suppressor

(TVS) Diodes

Littelfuse

SP0504SHTG

Each device incorporates multiple 5.5 V clamping, 8.5 V

reverse standoff diodes to provide electrostatic discharge

(ESD) protection. One TVS device is required per Ethernet

port, and two are required per ADIN2299 application circuit.

Resistors

470 Ω

LED current limit.

Other Components

Ferrite Bead

Murata

BLM15EG121SN1D

1.5 A, 120 Ω at 100 MHz.

MagJack

Wurth

7499010121A

RJ-45 connector with integrated magnetics and LEDs.

Reset Supervisor

Analog Devices

AMD708SARZ

2.9 V power monitoring reset supervisor chip.

1 Use the recommended components or ones that are similar.

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