M41ST84WMQ6 Ver la hoja de datos (PDF) - STMicroelectronics
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M41ST84WMQ6 Datasheet PDF : 29 Pages
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M41ST84W
Square Wave Output
The M41ST84W offers the user a programmable
square wave function which is output on the SQW
pin. The RS3-RS0 Bits located in 13h establish the
square wave output frequency. These frequencies
are listed in Table 5.. Once the selection of the
Table 5. Square Wave Output Frequency
Square Wave Bits
RS3
RS2
RS1
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
1
0
0
1
0
0
1
0
1
1
0
1
1
1
0
1
1
0
1
1
1
1
1
1
SQW frequency has been completed, the SQW
pin can be turned on and off under software con-
trol with the Square Wave Enable Bit (SQWE) lo-
cated in Register 0Ah.
Square Wave
RS0
Frequency
Units
0
None
–
1
32.768
kHz
0
8.192
kHz
1
4.096
kHz
0
2.048
kHz
1
1.024
kHz
0
512
Hz
1
256
Hz
0
128
Hz
1
64
Hz
0
32
Hz
1
16
Hz
0
8
Hz
1
4
Hz
0
2
Hz
1
1
Hz
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