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From 10/17/2014 to 11/15/2014

10/28/2014

11:48 AM PCB Development: RE: RTC Crystal Specifications
Theres a 24MHz crystal between XTALOUT and XTALIN on the ARM. Its frequency tolerance at 25C is +/- 25ppm.
Note th...
Jonathan Cormier
11:42 AM PCB Development: RE: RTC Crystal Specifications
Great, thank you for the information. Is it a similar specification for the other oscillator on the board, connected ... Chris Leon
11:31 AM PCB Development: RE: RTC Crystal Specifications
For the 32khz crystal attached between the OSC32KOUT and OSC32KIN pins, according to its datasheet, the frequency tol... Jonathan Cormier
10:56 AM PCB Development: RTC Crystal Specifications
What are the ppm drift specifications for the TPS65910 RTC crystal? Chris Leon

10/27/2014

04:10 PM Software Development: RE: Communicating with an 8-bit parallel interface (GPIO, SPI or GPMC)
Updated question(s) from the customer:
I've been looking into using GPMC. The Technical Reference Manual for the A...
Alexander Block

10/21/2014

10:28 AM Software Development: RE: Communicating with an 8-bit parallel interface (GPIO, SPI or GPMC)
SPI:
I'm not sure what you mean by using the spi bus to handle the 8-bit data bus.
If you want raw access to the ...
Jonathan Cormier
10:16 AM Software Development: RE: Communicating with an 8-bit parallel interface (GPIO, SPI or GPMC)
As Alex mentioned the GPMC bus is used for an on-SOM nand memory. The GPMC bus allows multiple devices to use the bu... Jonathan Cormier

10/20/2014

04:55 PM Software Development: Communicating with an 8-bit parallel interface (GPIO, SPI or GPMC)
Posting this on behalf of a customer:
The interface to their networking chip and other peripheral boards on their ...
Alexander Block
 

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