Microchip KSZ8563 Manual


Læs nedenfor 📖 manual på dansk for Microchip KSZ8563 (26 sider) i kategorien Ikke kategoriseret. Denne guide var nyttig for 4 personer og blev bedømt med 4.5 stjerner i gennemsnit af 2 brugere

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2018 Microchip Technology Inc. DS00002686A-page 1
INTRODUCTION
The IEEE 802.3 Ethernet Compliance testing encompasses a wide range of tests that utilize different waveforms for the
various device speeds:
10BASE-T: Four waveforms (link pulse/idle, pseudo-random, all ones, and arbitrary waveform signal)
100BASE-TX: Two waveforms (transmit scrambled idle and arbitrary waveform signal)
1000BASE-T: Five waveforms (four test mode 1-4 waveforms and arbitrary waveform signal)
The register settings apply to the PHY registers for most of Microchip’s Ethernet products.
Note: The test setup and figures are with a Tektronix scope, TDSET3 Ethernet Compliance Software, and TF-GBE
test fixture board. The Twisted Pair Model (TPM) is on the test fixture board.
10BASE-T COMPLIANCE TESTING
The 10BASE-T compliance tests are:
Link Pulse Testing
Medium Attachment Unit (MAU)
• TP_IDL
• Jitter
Differential Voltage
• Harmonics
Transmitter Return Loss
Receiver Return Loss
Common-Mode Voltage
Link Pulse Testing and TP_IDL are tested with and without the Twisted Pair Model. Each test section below provides
the test description, test setup details, and pass criteria.
For 10BASE-T test data transmission (pseudo-random and all ones patterns) on KSZ switches, KSZ Gigabit PHYs and
LAN PHYs (other than LAN78xx which can generate test patterns itself), use the link partner (set to forced 10BASE-T)
to transmit the signal to the device under test (DUT) and enable remote loopback on the DUT.
For 10BASE-T test data transmission (pseudo-random and all ones patterns) on KSZ80xx PHYs, the PHY is connected
to the MAC of a switch via MII/RMII connection. The link partner transmits the test signal to the switch’s PHY port and
through the MII/RMII to the DUT’s PHY port.
Link Pulse Testing
This is a test of the 10BASE-T Link Pulse signal integrity.
For link pulse testing without Twisted Pair Model, the DUT is connected to the DUT port for the 10BASE-T Parametric/
Template Test (some boards may add ‘without Twisted Pair Model’), and the oscilloscope probe is attached to the test
jumper.
For link pulse testing with Twisted Pair Model, the DUT is connected to the DUT port for the 10BASE-T Parametric/Tem-
plate Test with Twisted Pair Model, and the oscilloscope probe is attached to the test jumper after load selection.
To configure the DUT for link pulse testing, refer to 10BASE-T Link Pulse Setting on any part for register settings. Pass
specification is based on the Link Pulse remaining inside the mask for both the head and the tail.
AN2686
Ethernet Compliance Testing for 10BASE-T,
100BASE-TX, and 1000BASE-T
Author: John MacKay
Microchip Technology Inc.


Produkt Specifikationer

Mærke: Microchip
Kategori: Ikke kategoriseret
Model: KSZ8563

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