gc80c590ae CORERIVER Semiconductor, gc80c590ae Datasheet - Page 40

• Manufacturer Part Number: gc80c590ae
• Description: Flash / Isp / Iap 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

6.7. WDT (Watch Dog Timer)
WD1 WD0 Interrupt Time-out (@25MHz)
Detects software upset due to external noise or other causes
Allows an automatic recovery using WDT interrupt
If enabled, WDT interrupt or WDT reset makes MCU wake up from stop mode.
Watchdog Time-out Values (CKCON[7:6])
0
0
1
1
WDCON.0
RESET
Default : WD1,WD0 = [1,1]
RWT
0
1
0
1
CLK
2
2
2
2
17
20
23
26
clocks
clocks
clocks
clocks
0
Semiconductor Co., Ltd.
2,684.35 ms
335.53 ms
41.94 ms
5.24 ms
27-bit Counter
17
2
2
2
2
17
20
23
26
Reset Time-out (@25MHz)
+ 512 clocks
+ 512 clocks
+ 512 clocks
+ 512 clocks
20
23
26
2,684.38 ms
335.56 ms
2
2
2
2
41.96 ms
26
23
20
17
5.26 ms
WD1
CKCON[7:6]
11
10
01
00
WD0
WDCON (D8h) : Watchdog Timer & Power Status Register
-
POR :
EPFI :
PFI
WDIF :
WTRF :
EWT :
RWT :
512 clocks
WDCON.3
WDIF
Delay
R/W(1) R/W(0) R/W(1) R/W(0) R/W(0) R/W(0) R/W(0)
:
POR
Power-on Reset Flag
Enable Power-fail Interrupt
Power-Fail interrupt Flag
Watchdog Timer Interrupt Flag
Watchdog Timer Reset Flag
Watchdog Timer Reset Enable
Restart Watchdog Timer
EPFI
WDCON.1
WDCON.2
EWDT
WTRF
EIE.4
EWT
MiDAS2.0 Family
PFI
WDIF
WTRF
Interrupt
WDT Reset
EWT
RWT
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