gc80c521a CORERIVER Semiconductor, gc80c521a Datasheet - Page 81

• Manufacturer Part Number: gc80c521a
• Description: Flash / Isp / Iap 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

6.16. Reset Circuit : 3 Reset Sources
LVD(POR) Reset
External RESET Pin
WDT Reset : Enable or Disable by S/W
Power-on Reset when power is turned on.
Power-fail Reset when the supply voltage is
RESET Pin must be held “High” for at least 24 clock cycles.
below the threshold voltage (V
RESET
Clock
V
DD
27 bits Counter
LVD
Initialize
WDT
(Min. 24 Clocks Period)
RST
External RESET
Generation
).
POR
512 Clocks
Delay
LVD RESET
Generation
WDT RESET
Generation
WDCON (D8h) : Watchdog & Power Status Register
-
WTRF
EWT
R/W(1) R/W(0) R/W(1) R/W(0) R/W(0) R/W(0) R/W(0)
POR
WTRF
EWT
: Watchdog Timer Reset Flag. Only cleared by S/W.
: Watchdog Timer Reset Enable.
EPFI
MiDAS1.0B Family
PFI
WDIF
Internal RESET
WTRF
EWT
RWT
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