gc80c590ae CORERIVER Semiconductor, gc80c590ae Datasheet - Page 39

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

POR Pulse
PFI Pulse
6.6. LVD (Low Voltage Detector)
On-chip power-on reset
On-chip power-fail reset
Optional power-fail interrupt
After POR pulse is off, the internal power stabilization counter
starts to run, which lengthens power-up reset to 50ms.
Flag Transition
- POF is a mirror of POR.
3.3
2.7
2.0
0
A
B
C
D
A
2.0V
B
X
X
Semiconductor Co., Ltd.
SLOPE_R
POF
2.7 V
1
X
1
1
: 2.0V
: 2.0V
: 2.7V
X
X
POR
1
X
1
1
2.7 V
C
X
X
PFI
SLOPE_F
X
1
2.0V
D
1
1
TIME
EXIF (91h) : External Interrupt Flag Register
PCON (87h) : Power Control Register
WDCON (D8h) : Watchdog Timer & Power Status Register
R/W(0) R/W(0) R/W(0) R/W(0) R/W(1)
SMOD1 SMOD0
R/W(0) R/W(0)
IE5
-
BGS :
POF
PD
POR :
EPFI :
PFI
LVD_OFF
PFI Pulse
R/W(1) R/W(0) R/W(1) R/W(0) R/W(0) R/W(0) R/W(0)
PD
:
:
:
POR
IE4
LVD
PFI
Band-gap Select
0 = LVD (POR) Block Off / 1 = LVD(POR) Block ON
Power-off Flag
Power-down mode bit
Power-on Reset Flag
Enable Power-fail Interrupt
Power-Fail interrupt Flag
BGS
EPFI
IE3
-
POR Pulse
MiDAS2.0 Family
R/W(1) R/W(0) R/W(0) R/W(0) R/W(0)
POF
IE2
PFI
EPFI
XT/RG
WDIF
GF1
POR
POF
RGMD
WTRF
R(0)
GF0
R/W(0) R/W(1)
RGSL
EWT
PD
POR Reset
PFI interrupt
RWT
BGS
IDL
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