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STC12LE5616AD Datasheet(PDF) 53 Page - STCmicro Technology Co,.Ltd

Part # STC12LE5616AD
Description  Enhanced 8051 Central Processing Unit ,1T per machine cycle, faster 8~12 times than the rate of a standard 8051.
PDF  377 Pages
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Manufacturer  STC [STCmicro Technology Co,.Ltd]
Direct Link  http://www.stcmicro.com/
Logo STC - STCmicro Technology Co,.Ltd

STC12LE5616AD Datasheet(HTML) 53 Page - STCmicro Technology Co,.Ltd

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WDT overflow time is shown as the bellowed table when SYSclk is 11.0592MHz:
PS2
PS1
PS0
Pre-scale
WDT overflow Time @11.0592MHz
0
0
0
2
71.1 mS
0
0
1
4
142.2 mS
0
1
0
8
284.4 mS
0
1
1
16
568.8 mS
1
0
0
32
1.1377 S
1
0
1
64
2.2755 S
1
1
0
128
4.5511 S
1
1
1
256
9.1022 S
Options related with WDT in STC-ISP Writter/Programmer is shown in the following figure
The WDT overflow time is determined by the following equation:
WDT overflow time = (12 × Pre-scale × 32768) / SYSclk
The SYSclk is 20MHz in the table above.
If SYSclk is 12MHz, The WDT overflow time is :
WDT overflow time = (12 × Pre-scale × 32768) / 12000000 = Pre-scale× 393216 / 12000000
WDT overflow time is shown as the bellowed table when SYSclk is 12MHz:
PS2
PS1
PS0
Pre-scale
WDT overflow Time @12MHz
0
0
0
2
65.5 mS
0
0
1
4
131.0 mS
0
1
0
8
262.1 mS
0
1
1
16
524.2 mS
1
0
0
32
1.0485 S
1
0
1
64
2.0971 S
1
1
0
128
4.1943 S
1
1
1
256
8.3886 S
53



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