Table 1

Events                Trigger            time      latitude     freq
                                         consumed
capture sample        timer interrupt    70 us     +-500 us     10/s
analyze sample        input available    7 ms      -0,+92 ms    10/s
output correction     analysis complete  35 us       n/a        10/s

capture keystroke     G.P. interrupt     35 us     -0,+35us     5/s
parse input           keystroke stored   1 ms       500 ms      1/s

clock tick            timer interrupt    15 us      +-500 us    10/s
minute change         clock tick         150 us      ?          1/60s
digit change          minute change      50 us       ?          4/60s
digit step            digit change       10 ms       ?          320/60s

capture block ready   G.P. interrupt     35 us       -0, +35us  7/s
check 1st q           capture block      13 ms       +- 3 ms    7/s
check 2nd q           1st q checked      13 ms       +- 3 ms    7/s
check 3rd q           2nd q checked      13 ms       +- 3 ms    7/s
check 4th q           3rd q checked      13 ms       +- 3 ms    7/s
initiate block write  4th q checked      35 us       +- 100us   7/s