Hi everyone, I'm working on protocol where timing is critical so I need to know exactly how long it will take for a code snippet to run. To that end, I want to know how fast the cpu is and have the following questions.
1) According to the telosB datasheet, the cpu frequency is 8 MHz, but I guess this is maximum, right? Then, what is the actual frequency of the cpu? 2) What is the calibration in Msp430ClockP.nc for? It seems to be related to DCOx setting. 3) Be default MCLK is sourced from DCOCLK, where can I find DCOCLK's frequency? I failed to locate it in the MSP430F1611 datasheet<http://www.ti.com/product/msp430f1611> . 4) Be default, the cpu runs at about 4MHz, is there any reason for not running at 8 MHz? Save power? Impossible since no external Rosc is populated? I have see some related discussions here<http://www.mail-archive.com/[email protected]/msg09808.html> and here<http://mail.millennium.berkeley.edu/pipermail/tinyos-help/2005-August/011727.html>, but neither has definite answers for the questions above. If you can give any hint, that will be great. Thanks in advance. -- Cheers, -Xiaohui Liu
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