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SH79F6489P/080PR 데이터시트(PDF) 126 Page - SINOWEALTH Electronic Ltd

부품명 SH79F6489P/080PR
상세설명  Enhanced 8051 Microcontroller with 20bit Σ-ΔADC and LCD Driver
PDF  152 Pages
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제조업체  SINOWEALTH [SINOWEALTH Electronic Ltd]
홈페이지  https://en.sinowealth.com
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SH79F6489P/080PR 데이터시트(HTML) 126 Page - SINOWEALTH Electronic Ltd

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SH79F6488/SH79F6489
126
8.11.2 Registers
Table 8.48 Reset Control Register
B1H
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
RSTSTAT
WDOF
-
PORF
LVRF
CLRF
WDT.2
WDT.1
WDT.0
R/W
R/W
-
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value (POR)
0
-
1
0
0
0
0
0
Reset Value (WDT)
1
-
u
u
u
0
0
0
Reset Value (LVR)
u
-
u
1
u
0
0
0
Reset Value (PIN)
u
-
u
u
1
0
0
0
Bit Number
Bit Mnemonic
Description
7
WDOF
Watch Dog Timer Overflow or OVL Reset Flag
Set by hardware when WDT overflow or OVL reset happened, cleared by
software or Power On Reset
0: Watch Dog not overflows and no OVL reset generated
1: Watch Dog overflow or OVL reset occurred
5
PORF
Power On Reset Flag
Set only by Power On Reset, cleared only by software
0: No Power On Reset
1: Power On Reset occurred
4
LVRF
Low Voltage Reset Flag
Set only by Low Voltage Reset, cleared by software or Power On Reset
0: No Low Voltage Reset occurs
1: Low Voltage Reset occurred
3
CLRF
Pin Reset Flag
Set only by pin reset, cleared by software or Power On Reset
0: No Pin Reset occurs
1: Pin Reset occurred
2-0
WDT[2:0]
WDT Overflow period control bits
000: Overflow period minimal value= 4096ms
001: Overflow period minimal value= 1024ms
010: Overflow period minimal value = 256ms
011: Overflow period minimal value = 128ms
100: Overflow period minimal value = 64ms
101: Overflow period minimal value = 16ms
110: Overflow period minimal value = 4ms
111: Overflow period minimal value = 1ms
Notes: If WDT_opt is enable in application, you must clear WatchDog
periodically, and the interval must be less than the value list above.



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