Difference between revisions of "Multimeter ICs/Cyrustek ES51919"

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(Created page with "The Cyrustek 51919 is used in LCR meters. The chip takes no commands, and continually outputs 17-byte packets structured as described below. {| border="0" width="100%" style=...")
 
 
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The Cyrustek 51919 is used in LCR meters. The chip takes no commands, and continually outputs 17-byte packets structured as described below.
The Cyrustek 51919 is used in LCR meters. The chip takes no commands, and continually outputs 17-byte packets structured as described below.


{| border="0" width="100%" style="font-size: smaller;" class="alternategrey sigroktable"
{| border="0" width="100%" class="alternategrey sigroktable"
|-
|-
! style="width: 3em;" | Byte
! style="width: 3em;" | Byte
Line 37: Line 37:
| parallel measurement (vs. serial)
| parallel measurement (vs. serial)
|}
|}
|-
| valign="top" | 3
| Configuration
{| border="0" style="font-size: smaller;" class="alternategrey "
|-
| 0-4
| unknown
|-
| 5-7
| test frequency
|-
|
| 0 100 Hz
|-
|
| 1 120 Hz
|-
|
| 2 1 KHz
|-
|
| 3 10 KHz
|-
|
| 4 100 KHz
|-
|
| 5 0 Hz (DC)
|}
|-
| valign="top" | 4
| Tolerance (sorting mode)
{| border="0" style="font-size: smaller;" class="alternategrey "
|-
| 0
| not set
|-
|-
| 3
| 3
| Configuration
| ±0.25%
|-
|-
| 4
| 4
| Tolerance
| ±0.5%
|-
| 5
| ±1%
|-
| 6
| ±2%
|-
| 7
| ±5%
|-
| 8
| ±10%
|-
| 9
| ±20%
|-
| 10
| -20+80%
|}
|-
|-
| 5-9
| 5-9

Latest revision as of 17:24, 27 August 2015

The Cyrustek 51919 is used in LCR meters. The chip takes no commands, and continually outputs 17-byte packets structured as described below.

Byte Description
0-1 Header, always 0x00 0x0d
2 Flags
0 hold enabled
1 reference shown (in delta mode)
2 delta mode
3 calibration mode
4 sorting mode
5 LCR mode
6 auto mode
7 parallel measurement (vs. serial)
3 Configuration
0-4 unknown
5-7 test frequency
0 100 Hz
1 120 Hz
2 1 KHz
3 10 KHz
4 100 KHz
5 0 Hz (DC)
4 Tolerance (sorting mode)
0 not set
3 ±0.25%
4 ±0.5%
5 ±1%
6 ±2%
7 ±5%
8 ±10%
9 ±20%
10 -20+80%
5-9 Primary measurement
10-14 Secondary measurement
15-16 Footer, always 0x0d 0x0a
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