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MLX90621 Datasheet(PDF) 25 Page - Melexis Microelectronic Systems

Part # MLX90621
Description  16x4 IR array
PDF  44 Pages
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Manufacturer  MELEXIS [Melexis Microelectronic Systems]
Direct Link  http://www.melexis.com
Logo MELEXIS - Melexis Microelectronic Systems

MLX90621 Datasheet(HTML) 25 Page - Melexis Microelectronic Systems

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MLX90621
16x4 IR array
Datasheet
39001090621
Page 25 of 44
Datasheet IR16x4
Rev 3.0
15 September 2016
Internal registers
8.2.2.
Configuration register (0x92)
8.2.2.1
The configuration register defines the chip operating modes.
It can be read and written by the I
2C MD.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Configuration register bit meaning (0x92)
0
0
0
0
- IR Refresh rate = 512Hz
0
0
0
1
- IR Refresh rate = 512Hz
0
0
1
0
- IR Refresh rate = 512Hz
0
0
1
1
- IR Refresh rate = 512Hz
0
1
0
0
- IR Refresh rate = 512Hz
0
1
0
1
- IR Refresh rate = 512Hz
0
1
1
0
- IR Refresh rate = 256Hz
0
1
1
1
- IR Refresh rate = 128Hz
1
0
0
0
- IR Refresh rate = 64Hz
1
0
0
1
- IR Refresh rate = 32Hz
1
0
1
0
- IR Refresh rate = 16Hz
1
0
1
1
- IR Refresh rate = 8Hz
1
1
0
0
- IR Refresh rate = 4Hz
1
1
0
1
- IR Refresh rate = 2Hz
1
1
1
0
- IR Refresh rate = 1Hz (default)
1
1
1
1
- IR Refresh rate = 0.5Hz
0
0
ADC set to 15 bit resolution
*1
0
1
ADC set to 16 bit resolution
*1
1
0
ADC set to 17 bit resolution
*1
1
1
ADC set to 18 bit resolution
*1
0
- Continuous measurement mode (default)
1
- Step mode
0
- Normal operation mode (default)
1
- Sleep mode
x
- NA
0
- No IR measurement running (flag only cannot be written)
1
- IR measurement running (flag only cannot be written)
0
- POR or Brown-out occurred - Need to reload Configuration register
1
- MD must write "1" during uploading Configuration register (default)
0
- I
2C FM+ mode enabled (max bit transfer rates up to 1000 kbit/s) (default)
1
- I
2C FM+ mode disabled (max bit transfer rates up to 400 kbit/s)
0
- EEPROM enabled
1
- EEPROM disabled
0
- Melexis reserved
0
- ADC high reference enabled
*2
1
- ADC low reference enabled (default)
0
- Melexis reserved
Table 12: Configuration register bit meaning
*1 – does not impacting the calibration of the device (may be changed and the calibration remain valid)
*2 – does impact the calibration of the device (if changed the calibration is no longer valid)



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