M41ST84WMH6 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M41ST84WMH6 Datasheet PDF : 31 Pages
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M41ST84Y, M41ST84W
Square Wave Output
The M41ST84Y/W offers the user a programma-
ble square wave function which is output on the
SQW pin. The RS3-RS0 Bits located in 13h estab-
lish the square wave output frequency. These fre-
quencies are listed in Table 11. Once the selection
of the SQW frequency has been completed, the
SQW pin can be turned on and off under software
control with the Square Wave Enable Bit (SQWE)
located in Register 0Ah.
Table 11. 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
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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