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MLX90621 датащи(PDF) 12 Page - Melexis Microelectronic Systems

номер детали MLX90621
подробное описание детали  16x4 IR array
PDF  44 Pages
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производитель  MELEXIS [Melexis Microelectronic Systems]
домашняя страница  http://www.melexis.com
Logo MELEXIS - Melexis Microelectronic Systems

MLX90621 датащи(HTML) 12 Page - Melexis Microelectronic Systems

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MLX90621
16x4 IR array
Datasheet
39001090621
Page 12 of 44
Datasheet IR16x4
Rev 3.0
15 September 2016
Read measurement data (RAM data)
7.2.
PTAT data read
7.2.1.
Absolute ambient temperature data of the device itself (package temperature) can be read by using following
command:
Figure 9 PTAT (SA = 0x60, command = 0x02, Start address = 0x40,
Address step = 0x00, Number of reads = 0x01) measurement result read
! :
" !
IR data read
7.2.2.
There are four options available for reading IR data: (See section 8.2.1 for an overview of the RAM addresses).
-
Whole frame read (MELEXIS recommends the whole frame read for maximum refresh rate)
Figure 10 Whole frame (SA = 0x60, command = 0x02, Start address = 0x00,
Address step = 0x01, Number of reads = 0x40) measurement result read
-
Single column read
Figure 11 Single column (SA = 0x60, command = 0x02, Start address = 0x00…0x3C (step 0x04),
Address step = 0x01, Number of reads = 0x04) measurement result read
SCL
SDA
1
0
1
0 0 0
0
A
0 0 0 0 0 1 0 A
S
A
A
0
P
Slave address
Command
1 0 0 0 0 0 0
Start address
0
Address step
0 0 0 0 0 0 0
0
A
A
Number of reads
0 0 0 0 0 0 1
0
S
PTAT data
LSByte
1
0
1
0 0 0
A
0
Slave address
PTAT data
MSByte
A
W
R
SCL
SDA
1
0
1
0
0
0
0
A
0
0
0 0
0 1
0 A
S
A
0
Slave address
Command
Address step
0
0
0 0
0 0
0
A
A
Number of reads
1
0
0 0
0 0
0
0
S 1
0
1
0
0
0
R A
0
Slave address
A
P
IR pixel(0, 0)
LSByte
IR pixel(0, 0)
MSByte
A
A
IR pixel(1, 0)
LSByte
A
IR pixel(1, 0)
MSByte
A
IR pixel(3, 15)
LSByte
A
IR pixel(3, 15)
MSByte
Start address
0 0
0 0
0 0
0
0
1
W
SCL
SDA
1
0
1
0 0
0
0
A
0
0
0 0
0 1
0 A
S
A
0
Slave address
Command
Address step
0
0
0 0
0 0
1
0
A
A
Number of reads
0
0
0 0
1 0
0
0
S 1
0
1
0
0 0
R A
0
Slave address
Start address
A
P
IR pixel(0, column)
LSByte
IR pixel(0, column)
MSByte
A
A
IR pixel(1, column)
LSByte
A
IR pixel(1, column)
MSByte
A
IR pixel(3, column)
LSByte
A
IR pixel(3, column)
MSByte
W



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