Z51F3220FNX Datasheet, PDF (34/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
7.6 High Internal RC Oscillator Characteristics
Table 7-6 High Internal RC Oscillator Characteristics
(TA= -40°C ~ +85°C, VDD= 1.8V ~ 5.5V, VSS= 0V)
Parameter
Symbol
Conditions
MIN
TYP
MAX
Unit
Frequency
fIRC
VDD = 2.0 – 5.5 V
–
16
–
MHz
TA = 25°C
±0.5
Tolerance
–
TA = 0°C to +70°C
–
TA = -20°C to +80°C
±1
–
%
±2
TA = -40°C to +85°C
±3
Clock Duty Ratio
TOD
–
Stabilization Time
THFS
–
40
50
60
%
–
–
100
μS
IRC Current
Enable
IIRC
Disable
–
0.2
–
mA
–
–
0.1
μA
7.7 Internal Watch-Dog Timer RC Oscillator Characteristics
Table 7-7 Internal WDTRC Oscillator Characteristics
(TA= -40°C ~ +85°C, VDD= 1.8V ~ 5.5V, VSS= 0V)
Parameter
Symbol
Conditions
MIN
TYP
MAX Unit
Frequency
fWDTRC
–
2
5
10
kHz
Stabilization Time
tWDTS
–
–
–
1
mS
WDTRC Current
IWDTRC
Enable
Disable
–
1
–
μA
–
–
0.1
PS029902-0212
PRELIMINARY
31