Skip to main content

All Questions

Tagged with
1 vote
0 answers
86 views

Unable to get frequency on oscilloscope

I am using NOR flash IS25WP256D in my project. I configured a frequency of 80 MHz and a bus width of 4 in DTS, but when I observed with an oscilloscope I got 62 MHz. Why does this happen? These are ...
Chithra M G's user avatar
0 votes
0 answers
341 views

Communication between two ARM chips over PCI-e

I have a LX2162A CPU from NXP (datasheet is here), and 2 I.MX8.Quad, also from NXP (Datasheet is here) My goal My goal is to design a NUMA enabled system. A single instance of a mainline linux will ...
Seany's user avatar
  • 101
0 votes
1 answer
46 views

What do we Gain by Packing Various Components into SoC

I have been trying to understand that what is the added benefit in shrinking components such as DSP slice, IPU, LCD controller etc into SoC instead of keeping them separate. Is this done only to ...
GENIVI-LEARNER's user avatar
1 vote
2 answers
159 views

How do I procure SoCs in small quantities? [closed]

I want to design an SBC but I am having difficulty with buying the SoC. I'm thinking of Snapdragon, Mediatek, Allwinner, Amlogic and Rockchip (These are the ones I know, if you know others I would ...
kadhem alabdulmuhsin's user avatar
0 votes
3 answers
227 views

From microcontrollers to microprocessors [Embedded Devices] [closed]

I was told by some developer that embedded controllers are task specific devices that requires low latency which processor based devices can't offer due to OS overhead. So I would like to first of ...
GENIVI-LEARNER's user avatar
0 votes
1 answer
87 views

Interconnect between different blocks of SoC from different vendors

So I am planning to do a learning project of installing embedded linux into to SoC. One from smartphone vendor Spreadtrum SC7731 and the other from generic smart devices vendor Ingenic JZ4725B. Since ...
GENIVI-LEARNER's user avatar
1 vote
1 answer
129 views

what triggers the PREADY signal in a slave of an APB?

I was trying to understand the state machine of an APB. I was curious on how the PREADY signal is triggered low so that it can exit from the ACCESS state? If anyone could help me with this basic ...
QTip's user avatar
  • 11
0 votes
1 answer
970 views

PLDs, DSPs, MCUs, MPUs and SoCs Typical Application [closed]

PLDs, DSPs, MCUs, MPUs and SoCs are all embedded devices, they can be programmed / configured to achieve a specific application. I've worked with MCUs and FPGAs in the past and realized that they are ...
A.Lacasse's user avatar
0 votes
2 answers
154 views

Can SoC Processors be used as more powerful microcontrollers? [closed]

I'm starting with microcontrollers (still avr), and once I finish, I'll be moving on to ARM based microcontrollers. However, as I've been reading, the ARM Cortex M is basically the best you can get, ...
Poria Amirian's user avatar