Questions tagged [system-on-chip]
Also known as a SOC, it is another name for a silicon chip which has a high degree of integration. Named principally because it incorporates devices like a uProcessor and a modem and a memory controller that might of at one time been separate chips on a PCB.
54
questions
0
votes
0
answers
59
views
Modern DDR4 memory access latency system analysis
The memory access latency for the Intel Core i7-11800H (source: chipsandcheese, cpu latency for Intel Core i7-11800H), using DDR4-3200, reveals specific timings: 1 ns for L1, 3 ns for L2, and 13 ns ...
0
votes
2
answers
69
views
Does the chipset act as a "gateway" to the system bus?
I am trying to understand how exactly the main memory and peripheral devices like NIC, video card, hard disk, USB, etc. are physically or electrically connected to the system bus. Pasting here the ...
- 423
0
votes
0
answers
42
views
SOC booting FPGA configuration file
I have some understanding on embedded system booting process, which includes step wise execution of:
ROM boot loader.
First stage boot loader - internal to SOC.
Second stage boot loader - stored on ...
- 1
1
vote
3
answers
119
views
What is this chip? Is it re-programmable? [duplicate]
I found this chip inside my kid's walker. Seems like it stores the pre-installed audios of children's rhymes. It's connected to several LEDs, a mono speaker and two button pcbs. I wanna replace the ...
- 11
2
votes
1
answer
113
views
What is a chip generator?
I've been trying to learn more about the RISC-V environment. I've encountered a chip generator called Rocket Chip.
What is a chip generator, and how does it differ from a core? I'm trying to ...
- 133
1
vote
0
answers
43
views
Model Microcontroller's Power Consumption
I am currently building a simulator (time-domain model) that includes a System-on-Chip, a constant voltage source and a series resistor.
Current solution:
My initial intuition was to model the SoC's ...
- 31
0
votes
0
answers
120
views
Difference between Internal and External RTC [duplicate]
what is the difference between internal and external RTC ?
- 11
-1
votes
2
answers
343
views
Is it possible for an SoC to have a built-in SSD?
Is it possible to have an SoC that includes an SSD on-chip, or are there technical constraints that prevent that? What are those technical constraints, if any?
1
vote
1
answer
116
views
STM32 Low power series microcontroller or STM32WL series with integrated LoRA? (IoT Device)
I'm starting a design of IoT device. Trouble that I have is deciding which setup to use. I would like to someone with more experience can point me to right direction. With everything that is happening ...
0
votes
1
answer
176
views
Snapdragon SoC includes cellular modem RF. Does it still need a baseband CPU? [closed]
As per https://www.qualcomm.com/products/snapdragon-425-mobile-platform
, the Snapdragon 425 includes cellular modem RF, WiFi, Bluetooth and GPS.
Does that mean that it does not need a baseband CPU, ...
- 115
0
votes
1
answer
165
views
Modelling digital DLL for CDR for simulation/modelling purposes only
I have done a Verilog module for clock and data recovery (CDR) using DLL ( this is for simulation purposes only) I used Modelsim for simulation. In the transmitter (Tx), I only have a (clock that has ...
- 11
0
votes
1
answer
154
views
What are the display parameters for a TFT LCD?
I want to use this display with a system on module running Linux. I need to configure the device tree below with the parameters for the display so it will work properly. A description of these ...
- 241
0
votes
1
answer
833
views
Why do we use a gray encoded signal by 2 stage flip-flop in asynchronous FIFO to avoid race-condition issue? [duplicate]
In the FIFO design, to compare the rptr and wptr, we are feeding one signal into another clock domain.
The rptr which is coming from the slow clock domain to faster one can be synchronized with sync ...
- 581
0
votes
1
answer
177
views
How are different circuit form factors (SODIMM, PCIe) designed and manufactured? [closed]
Using recent technologies, System on Chips (SoC) and other type of single board computers are manufactured on compact small boards. A common form-factor SoCs is a DIMM based or even PCIe form factors....
0
votes
1
answer
73
views
How does a layman interface with a system on a chip?
I'm looking to build an incredibly simple robot that I control via bluetooth. I've identified the CC2540 from TI which will theoretically allow me to do this. It sounds perfect, it's like 5 bucks. ...
- 103
0
votes
1
answer
84
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 ...
- 183
3
votes
1
answer
3k
views
What happens when there is a simultaneous Read and Write launched to the same address in AXI3/4?
I have a doubt regarding the AXI3/4 protocol. Assume a hypothetical scenario where a single master issues a valid Read and Write transaction to the same address simultaneously.
From the AXI ...
1
vote
4
answers
470
views
Buck topology for a 3.3V to 1.1V for a SoC [duplicate]
I have been given this circuit in a design guide and it does not make sense for such a complicated circuit to be implemented just to get 1.1V out.
It requires 3.3V (input) and will give 1.1V out. The ...
- 379
0
votes
1
answer
145
views
ST7590 Power Line Communication chip integrated with a PIC18 microcontroller
I am using the ST7590 chip for PLC purpose which integrates with an STM controller, but my company uses Microchip controllers. I have signed an SLA so I will not post or talk about the non-public ...
- 379
0
votes
2
answers
204
views
Current measurement in a SoC
I have to measure the current flowing inside a SoC through a multimeter. In the board schematics, I found that the SoC provides a structure to measure the current:
Now, I should connect them with a ...
- 1
-2
votes
1
answer
289
views
Upgrade ZN416 Radio on a Chip to two Tuned RF Stages [closed]
looking to upgrade this Radio/Circuit to two Tuned Circuits with another ZN416 not shunting RF to ground butsending it to the nextZN416.
Will be usingAntique /Vuntage Components Variometer; ...
0
votes
3
answers
489
views
Moving from bluetooth module to chip
I'm a software engineer who has recently become very interested in hardware. I'm very novice so I apologize ahead of time for any dumb mistakes or misunderstandings I have. This might also be a broad ...
1
vote
1
answer
192
views
Configuration settings for programming flash memory
I need to specify a memory addresses settings in the configuration file for programming flash memory with Macraigor Flash programmer utility. The device is BCM3360 (MIPS32) chip and flash memory is ...
- 359
1
vote
2
answers
1k
views
Quartus Prime Qsys HPS (Hard Processor System) error
I'm trying to generate a system including HPS (Hard Processor System) of the Cyclone V SoC in Quartus Prime Qsys. At the "Generate HDL" stage I got the following errors. I'm not expecting ...
- 349
0
votes
0
answers
1k
views
What are the technical specs of the Nordic NRF 31512?
can someone tell me what chip this is and where I can find the datasheet? Or at least if this is a custom fabrication, what chip from Nordic is it based off of? I've search high and low on the ...
- 101
1
vote
4
answers
2k
views
What's the difference between bluetooth-soc chips and bluetooth modules?
I'm currently shopping for a Bluetooth transceiver to play around with.
After doing some research, I think there's a bit of crucial terminology that I'm missing.
Specifically, there's two products ...
- 147
10
votes
3
answers
5k
views
what really are: Microcontroller (uC), System on Chip (SoC), and Digital Signal Processor (DSP)?
The actual question is at the end. But reading that alone might not show you why am I confused. I wrote this post starting with some definitions, assumptions, and speculations and then asking the ...
- 450
0
votes
4
answers
171
views
Where to go with an idea for a chip? [closed]
I tinker with AVR, 6502 and z80 designs, just muck around really, nothing overly serious. But as a result I had a thought of an idea for a new chip.
Specifically a SoC built around a z80 core. But ...
- 446
1
vote
1
answer
2k
views
Vivado Integrated Logic Analyzer Waveform empty
I am using Vivado 15.2 on Linux with a Zynq FPGA. My design contains a single Integrated Logic Analyzer (ILA) core with some signals connected to it. Downloading works find and the hardware-manager ...
- 2,255
3
votes
1
answer
864
views
How difficult is to reverse engineer a IC Die?
Can anyone tell me how difficult, time consuming and expensive is to reverse all layers of a die ? Say a die from a recent model SoC Processor IC found in smartphone devices such as the Qualcomm ...
- 221
6
votes
2
answers
328
views
How do hybrid electronic systems work?
In hybrid systems, we can have DSPs, FPGAs, General purpose processors, etc on the same system operating together on the same application. How are the tasks distributed among them, and which unit ...
- 400
5
votes
2
answers
6k
views
Camera Parallel Interface vs Camera Serial Interface?
I need to select a System on Module that will be used to stream a HD video stream over WIFI. Ideally it should support two camera input.
When researching the various modules on the market, I find ...
- 53
1
vote
1
answer
2k
views
Undefined part of CSR8645 chip
I am trying to build a bluetooth audio headset and decided to use CSR8645 chip, but while trying to understand diagram of this chip i couldn't identify one part of it.
I am uploading picture ...
- 13
0
votes
1
answer
68
views
Background functionality of a mobile phone
I'm asking this question out of curiosity. In general, we have around 6 to 7 radios in a smartphone. the modulation schemes, estimation procedures, synchronization methods are different for each radio....
- 205
4
votes
6
answers
2k
views
Given a known power supply, what are safe ranges for the volts/amps/ohms of connected components? [duplicate]
I'm new to hardware and am coming from a software background. I have an SoC that will be powered by a supply generating 5V and 1A. I'm trying to figure out what are the safe ranges of volts/amps/ohms ...
- 645
6
votes
2
answers
12k
views
Interfacing with SATA in embedded systems
Would it be possible to use a SATA interface in an embedded system, for example a MP3 player or a video camera? (speed not critical)
What is the typical way to do this? On chip peripherals, external ...
- 756
0
votes
2
answers
2k
views
Question regarding PCB design layout of Raspberry Pi
I have query regarding PCB design layout of Raspberry Pi (RPI). I wanted to know how LAN9512 chip is connected to Ethernet RJ45.
I found one of PCB layout picture which suggests there is line on PCB ...
- 223
28
votes
7
answers
4k
views
One large microcontroller, or lots of small microcontrollers?
I'm used to doing basic and straightforward things with microcontrollers, relatively speaking. Things such as driving LEDs, running motors, basic routines, GUIs on character LCDs, and so on, but ...
- 2,304
0
votes
1
answer
114
views
SATA in Samsung Exynos
Please take a look at the picture below.
You can see that Samsung integrates SATA 3 into the Exynos 5 Dual. So does that mean that smartphones which use Exynos 5 will be able to connect to hard ...
- 63
3
votes
1
answer
672
views
Reducing chip count for an ARM embedded system
It seems like a lot of devices use an ARM SoC + a RAM chip + a flash storage chip. In applications that are very space-constrained, such as ChromeCast dongles, micro drones, or wristbands, it would be ...
- 1,484
0
votes
1
answer
532
views
Where can I buy a finished mobile camera module? [closed]
I am interested in buying a really small camera module for one of my projects. I know I can buy some iPhone/Samsung camera replacements on Ebay. But I have no information on their connectors and ...
- 829
7
votes
2
answers
4k
views
Why can't I find SOCs with integrated memory?
I am looking for SOCs with integrated memory to avoid having to worry about design of a memory bus for, what is supposed to be, a pretty low power application. I'm looking for something like the ...
- 417
0
votes
1
answer
1k
views
what chip does thetileapp BTLE tracker uses
I am working on some BTLE prototypes,
I saw this tracker http://www.thetileapp.com/
what chip would this "tile" be using?
im going to be playing with the TI SoC CC2540 http://www.ti.com/product/...
- 1,047
8
votes
4
answers
2k
views
Is it common for internal pull-up resistors to fail? or what would cause them to become intermittent?
I have a board based on an ASIC ARM Cortex-M3 that after months of work suddenly started to report spurious button presses. The ASIC is not our design, but a reputable company's.
The buttons ...
- 3,242
0
votes
1
answer
129
views
I'm looking for a chip which can play media files stored in a pen drive connected to it on LCD tv
I am searching for such a chip which has a usb input to connect a pen drive to it. The chip should have a HDMI output (or any other suitable output) to display on a LCD tv. For example, I have a movie ...
0
votes
1
answer
645
views
SOC for router like a d-link?
Anyone know of a SOC (System on Chip) that you could use for your own router? There probably many types of SOC, I'm looking for something that would run Linux (i.e. isolinux).
Looking for something ...
- 343
1
vote
2
answers
529
views
What is the SoC on the ARM9 board TS-7800?
From Single Board Computers
The TS-7800 series of single board computers provides 3 times the performance of the TS-7200 series with the same footprint, using a Marvell 500MHz ARM9 SoC.
From ARM9 ...
- 113
4
votes
3
answers
748
views
Wireless Sensor to Internet
Looking for a low cost implementation to post ambient temperature readings from a sensor to servers via a COTS router.
1) Have a temperature sensor connected to a micro controller which sends data ...
- 41
30
votes
7
answers
48k
views
microcontroller vs. System on chip
I am starting out programming micro controllers and I was reading some documentation and textbooks. I am a little confused as to what the difference is between a Micro-controller and a System on chip? ...
- 1,667
5
votes
5
answers
9k
views
Where can I find an 8086 chip?
sometime ago I built an emulator for the 8086 chip and now I'm wanting to actually own one and set one up for some bit banging and such. Note, I'm not interested in all the PC specifics(DMA, PIC, BIOS,...
- 3,346