New answers tagged spi
0
votes
Is possible using SPI without SPI.h library with just using digitalWrite function?
Yes you can, every time the clock changes in a spi bus (usually on rising edge of clock) you find out what the data input pin is doing and then record that into a variable (with a shift function).
You ...
0
votes
Effect of Ethernet PHY interface on the speed of Ethernet
The ethernet controller will exchange packets through a 10Mbit/s or a 100Mbit/s link. Those packets are sent from or stored into internal memory in the controller, at full speed. The rest is up to you,...
9
votes
Effect of Ethernet PHY interface on the speed of Ethernet
The chip can connect at 10 Mbps and 100 Mbps Ethernet link speeds, and it has a maximum SPI bus speed of 40 MHz.
So yes, even if it can communicate with 100 Mbps link speed, it won't achieve 100 Mbps ...
15
votes
Accepted
Effect of Ethernet PHY interface on the speed of Ethernet
The Ethernet controller datasheet you link claims 10/100 Mbit/s speeds, not Gbit/s speeds.
The controller is capable of negotiating with other 10BASE-T or 100BASE-TX interfaces on the network, and of ...
8
votes
Effect of Ethernet PHY interface on the speed of Ethernet
Ethernet link speeds range from 10 Mbit/s to 400 Gbit/s currently. Generally, each Ethernet frame must be transmitted atomically, without any pauses.
For low-speed devices, that mandates decoupling ...
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