Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [mac]

Media access control or MAC should not be confused with Apple MAC, this is part of the Data-Link Layer which is one of the seven layers of the OSI-ISO. It is most commonly used access technologies such as Wifi, WiMAX and Zigbee. It mainly deals with the handling and granting channel access and also coordinating with physical layer.

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PIC Microcontroller Programming on Mac OS X

How can I start PIC Microcontroller Programming on Mac OS X. Can I use an Arduino connected to my Mac has a programmer? Or do I need to buy specific programmer board and serial adapters?
littlebirdceo
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Good tool for Mac OS X to draw circuits

I am looking for tool to draw circuits on Mac OS X. I mostly need it so I can add it into presentations. So the requirements are that it looks preety.
Lucas
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Any native Mac OS X environments for getting started with VHDL / FPGAs?

The title pretty much sums up my question: Are there any native Mac OS X environments for getting started with VHDL / FPGAs?
Kaelin Colclasure
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Why are Ethernet MAC and PHY separate?

I’ve been looking for a MCU/MPU with built-in Ethernet connectivity, and I’ve noticed that most only contain a built-in Ethernet MAC interface and require an external PHY. Why is this the case, as in why do most of these chips not contain both a MAC…
cdubs
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What is the exact difference between SGMII and 1000Base-X?

I was wondering what the exact difference between SGMII and 1000Base-X is, because both seem very similar. Is the "big" difference only the physical medium they are supposed to be transmitted on? Both standards transmit Ethernet frames and use the…
andrsmllr
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DP83848 (Ethernet PHY) 1-bit serial receive data in 10Base-T

Having trouble getting a Texas Instruments DP83848J working in 10BASE-T mode. The link partner and local status register agree that the link is in 10Mbps full-duplex mode. However, instead of receiving 4-bit 2.5Msps data on RXD[3..0] as required by…
Ben Voigt
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Arduino Libaries folder

Where do i put the Arduino "Library" folder on a Mac?
mad_z
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Design ethernet switch for multiple devices on PCB?

I'm working on a PCB design with a Raspberry Pi CM module and a microcontroller with ethernet capacity. The goal is to connect the devices to the internet. I'm currently using a normal ethernet switch, where I connect the CAT5e cables to the…
pascal0312
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Logic Analyser for Mac environment

I am wondering if anyone can recommend a logic analyser for a Apple Mac environment with similar features as the SCANALOGIC 2 PRO around the same price would be great as well. or some thing that is similar, what type of features am I after for…
Ashley Hughes
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Interfacing an ATTiny84 to iPhone from headphone jack

I'm trying to create an adapter and an application for the iPhone that works very similarly to the Square Up card reader. The basic communication I'm trying to achieve: Plug in adapter to phone headphone jack Start app Input setting for adapter -…
Saif Akhtar
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What software is used to design and simulate Mac computers, iPod and iPhone circuits?

Apple computers are great. I love my MacBook, however, I haven't been able to find any decent circuit design and simulation software that runs on a Mac. This brings me to a question: If Mac OS X has no professional electronics design software, then…
Juank
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Media Independent Interface (MII) vs Media Dependent Interface (MDI)

Is my understanding about Ethernet - MII & MDI correct? MII - Media Independent Interface is about the connectivity between MAC and PHY. In other words, it is about TXD and RXD signals from MAC to PHY. MDI - Media Dependent Interface is about the…
V V Rao
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How to Get IP address from MAC Address using ESP8266 wifi Module

I am trying to use my esp8266 to discover several WiFi devices (sensor) in my home. I only know these devices MAC address, and I need to send TCP packets to their IP address. Using RPi, I can do that using ethernet and ARP protocol. But I cannot…
bonchenko
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MAC Address Registration

I can't understand the wierd pricing of IEEE MAC address: A 12bit IAB is $645, getting you 4096 addresses. While a 24bit OUI is only $1,885. I notice alot of companies buy multiple 12bit IAB's, which greatly surpass the cost of a single 24bit OUI.…
Myforwik
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The SERDES/transceiver design inside the Ethernet MAC controller

I'm a little confused about the "SERDES" interface between MAC and PHY chip, and I drew some figures to illustrate the connections which confuse me as shown below. The MAC controllers in 3 figures are the same, but the transceivers inside the MAC…
Nobody
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