参数资料
型号: M41ST85YMH6F
厂商: STMICROELECTRONICS
元件分类: 时钟/数据恢复及定时提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封装: 0.330 INCH, SNAPHAT, LEAD FREE, PLASTIC, SOH-28
文件页数: 11/34页
文件大小: 532K
代理商: M41ST85YMH6F
19/34
M41ST85Y, M41ST85W
Square Wave Output
The M41ST85Y/W offers the user a programma-
ble square wave function which is output on the
SQW pin. RS3-RS0 bits located in 13h establish
the square wave output frequency. These fre-
quencies are listed in Table 4. 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 4. Square Wave Output Frequency
Square Wave Bits
Square Wave
RS3
RS2
RS1
RS0
Frequency
Units
00
None
0
1
32.768
kHz
00
10
8.192
kHz
00
11
4.096
kHz
01
00
2.048
kHz
01
1.024
kHz
01
10
512
Hz
01
11
256
Hz
10
00
128
Hz
10
01
64
Hz
10
32
Hz
10
11
16
Hz
11
008
Hz
11
014
Hz
11
102
Hz
11
111
Hz
相关PDF资料
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