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HTFLASHEVM User’s Guide(HTFLASHEVM用户指南) 评论(0) 收藏(0
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相关厂商: Texas Instruments, Inc.  
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HTFLASHEVM User’s Guide(HTFLASHEVM用户指南)

Overview

The HTFLASHEVM is designed for verification of the SM28VLT32 in extreme environments. The EVM, as shipped, is ready for test up to 200°C with the following exceptions. The decoupling capacitors need to be swapped from standard temperature range to 200°C rated through-hole components. This was done to save board cost on systems only needing room temperature protocol development. Alternate BOM data is provided for acquiring appropriate 200°C capacitors for in oven testing. Additionally, the plastic separators for the installed pins should be removed before exposing entire board to oven temperatures.

The EVM provides 100-mil berg type pins for access to SPI control pins (CS#,SO,SI,SCK), FLCLK, WP#, HOLD#, and power. Additionally, a footprint for an oscillator is present on the layout to allow the population of a standalone 12-MHz or slower oscillator.
HTFLASHEVM

Setup and Required Equipment

The EVM has a software GUI that is designed to interface to a TotalPhase Cheetah SPI hardware adapter. The Cheetah SPI host adapter is not provided, but can be obtained from TotalPhase:

http://www.totalphase.com/products/cheetah_spi/.

Additionally, a flying lead set will also be needed (low temperature operation only). Custom flying leads will need to be created for in oven testing. The flying lead set can also be ordered from TotalPhase:

http://www.totalphase.com/products/split_cable/.

The software GUI can be downloaded and installed from the SM28VLT32-HT product folder. The EVM can be interface without the Cheetah or the use of the TI SM28VLT32-HT GUI. In this case, connections can be made based on the SPI host adapter. Follow instructions provided with Cheetah host adapter for proper installation.

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