STC micro STC8A8K64D4 Series - Page 891

STC8A8K64D4 Series Manual
- 875 -
speed
I/O high current drive, I/O fast conversion
32
MHz
PxDR=1, PxSR=0
I/O low current drive, I/O slow conversion
26
MHz
PxDR=0, PxSR=1
I/O low current drive, I/O slow conversion
22
MHz
PxDR=1, PxSR=1
Compara
tors
Fastest speed
10
MHz
Turn off all analog
and digital filtering
Analog filter time
0.1
us
Digital filter time
0
system
clock
LCDTY＝0
n+2
LCDTY=n (n=1~63)
IPD2
Power-down mode power consumption when
the comparator is enabled
-
460
-
uA
IPD3
Power-down mode power consumption when
LVD is enabled
-
520
-
uA
Q.4 Internal IRC temperature drift characteristic (reference
temperature 25 ℃)
Temperature
Range
MIN
TYP
MAX
-40℃～85℃
-1.38%～+1.42%
-20℃～65℃
-0.88%～+1.05%
Q.5 Low voltage reset threshold voltage (test temperature 25 ℃)
Level
Voltage
MIN
TYP
MAX
POR
（1.69V~1.82V）
LVR0
2.0V（1.88V~1.99V）
LVR1
2.4V（2.28V~2.45V）
LVR2
2.7V（2.58V~2.76V）
LVR3
3.0V（2.86V~3.06V）