Multimeter ICs/Cyrustek ES519xx
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This page gives an overview of the various Cyrustek ES519xx DMM ICs, and especially their protocol specifics.
Overview
Device | Counts | Serial | #Bytes | #Digits |
---|---|---|---|---|
ES51922 | 22000 | 19230/7o1 | 14 | 5 |
ES51978 | 4000 | 2400/7o1 | 11 | 4 |
ES51986 | 6000 | 19230/7o1 | 11 | 4 |
STATUS byte
STATUS bits | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
---|---|---|---|---|---|---|---|
ES51922 | 0 | 1 | 1 | Judge | Sign | BATT | OL |
ES51978 | 0 | 1 | 1 | Judge | Sign | BATT | OL |
ES51986 | 0 | 1 | 1 | Judge | Sign | BATT | OL |
OPTION1 byte
OPTION1 bits | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
---|---|---|---|---|---|---|---|
ES51922 | 0 | 1 | 1 | MAX | MIN | REL | RMR |
ES51978 | 0 | 1 | 1 | 0 | 0 | 0 | VAHZ |
ES51986 | 0 | 1 | 1 | HOLD | MAX | MIN | 0 |
OPTION2 byte
OPTION2 bits | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
---|---|---|---|---|---|---|---|
ES51922 | 0 | 1 | 1 | UL | PMAX | PMIN | 0 |
ES51978 | 0 | 1 | 1 | DC | AC | AUTO | APO |
ES51986 | 0 | 1 | 1 | DC | AC | AUTO | 0 |
OPTION3 byte
OPTION3 bits | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
---|---|---|---|---|---|---|---|
ES51922 | 0 | 1 | 1 | DC | AC | AUTO | VAHZ |
ES51978 | — | — | — | — | — | — | — |
ES51986 | — | — | — | — | — | — | — |
OPTION4 byte
OPTION4 bits | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
---|---|---|---|---|---|---|---|
ES51922 | 0 | 1 | 1 | 0 | VBAR | HOLD | LPF |
ES51978 | — | — | — | — | — | — | — |
ES51986 | — | — | — | — | — | — | — |