MPZ2012S601AT000 datasheet(18/36 Pages) MICROCHIP

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EVB-KSZ9477 Evaluation Board User’s Guide

DS50002594A-page 18

 2017 Microchip Technology Inc.

2.4.3

SPI and I2C

The MPU can control the KSZ9477 via the SPI interface or an external device such as,

Totalphase Aardvark. The Table 2-4 below explains the jumper settings.

2.4.4

LED Status

The table Table 2-5 shows the LED status indication.

J11

JTAG

JTAG interface to pro-

gram and debug the

MPU, 10X2 header

No jumpers

J22

I/O Connector #1

GPIO for the MPU

No jumpers

LCD connector

LCD connector for the

MPU

No jumpers. Refer to SAMA5D3

Xplained User Guide for details.

TABLE 2-4:

SPI/I2C HEADER

Mode

J18 (5X2 header)

J19 (4X2 header)

SPI from Atmel MCU

All open

Install all jumpers

SPI from Aardvark or

Cheetah cable

Connect Aardvark or Cheetah cable

All open

SPI from Aardvark

I2C/SPI host adapter or

Cheetah SPI host adapter

Connect Aardvark

All open

TABLE 2-3:

MULTI-PIN HEADERS

Jumper

Label

Description

Configuration

Note: Both the adapters are available on MicrochipDirect.com web site to pur-

chase. SPI from Aardvark I2C/SPI (part number TTP100005) or Cheetah

SPI host adapter (part number TTP100004).

TABLE 2-5:

STATUS LEDS

Item

LED Diode

Comments

D1 (Green)

SFP Signal present

D2 (Green)

3.3V Power indication

D4 (Blue)

SPI Active

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