Embedded Systems Conference
Breaking News
Comments
daleste
User Rank
Author
re: Single chip wraps up display, audio, touch
daleste   2/28/2013 4:32:10 AM
NO RATINGS
This sounds like a good device for IoT applications. I still don't think a 32 bit microcontroller is the right processor for these devices.

JohnM555
User Rank
Author
re: Single chip wraps up display, audio, touch
JohnM555   2/28/2013 5:18:23 PM
NO RATINGS
There is no statement about the recommended bit architecture for the host controller.

DMcCunney
User Rank
Author
re: Single chip wraps up display, audio, touch
DMcCunney   2/28/2013 6:23:13 PM
NO RATINGS
I suspect it's host controller architecture agnostic. It's a separate component, communicated with by the host controller over a bus. As long as the host can communicate with it and use the functions it provides, you likely don't *care* about host architecture. It could be ARM, x86, MIPS or something else entirely.

DMcCunney
User Rank
Author
re: Single chip wraps up display, audio, touch
DMcCunney   2/28/2013 6:31:12 PM
NO RATINGS
"I still don't think a 32 bit microcontroller is the right processor for these devices." Why *not* use a 32 bit microcontroller? The driver is usually cost, not capability. As long as it will do the needed job, you use a 16 bit or even 8 bit controller because it's *cheaper*. What happens if that's *not* the case, and there isn't a significant cost difference in using a 32 bit core? The ARM Cortex M-0 mentioned elsewhere is arguably overkill for the stated usage, but the ARM architecture is widely deployed and well understood with an existing toolchain to support development and engineers familiar with it. What you wind up with is capability you won't use, but you don't care because you get the advantages of familiarity and lower time-to-market at a total price that's probably comparable to using a lesser controller.

old account Frank Eory
User Rank
Author
re: Single chip wraps up display, audio, touch
old account Frank Eory   2/28/2013 9:34:18 PM
NO RATINGS
Four-wire resistive touch sensing? It's been quite a few years since I've seen one of those plastic, squishy touchscreens -- at least here in the U.S.



Radio
LATEST ARCHIVED BROADCAST
As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
Like Us on Facebook
Special Video Section
The LTC®6363 is a low power, low noise, fully differential ...
Vincent Ching, applications engineer at Avago Technologies, ...
The LT®6375 is a unity-gain difference amplifier which ...
The LTC®4015 is a complete synchronous buck controller/ ...
10:35
The LTC®2983 measures a wide variety of temperature sensors ...
The LTC®3886 is a dual PolyPhase DC/DC synchronous ...
The LTC®2348-18 is an 18-bit, low noise 8-channel ...
The LT®3042 is a high performance low dropout linear ...
Chwan-Jye Foo (C.J Foo), product marketing manager for ...
The LT®3752/LT3752-1 are current mode PWM controllers ...
LED lighting is an important feature in today’s and future ...
Active balancing of series connected battery stacks exists ...
After a four-year absence, Infineon returns to Mobile World ...
A laptop’s 65-watt adapter can be made 6 times smaller and ...
An industry network should have device and data security at ...
The LTC2975 is a four-channel PMBus Power System Manager ...
In this video, a new high speed CMOS output comparator ...
The LT8640 is a 42V, 5A synchronous step-down regulator ...
The LTC2000 high-speed DAC has low noise and excellent ...
How do you protect the load and ensure output continues to ...