Z8F4822AR020SG Datasheet, PDF (232/323 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F64xx Series
Product Specification
212
Table 109. External RC Oscillator Electrical Characteristics and Timing
T_A = –40°C to 125°C
Symbol
V_DD
R_EXT
C_EXT
F_OSC
Parameter
Operating Voltage
Range
Minimum
2.70¹
External Resistance
40
from X_IN to V_DD
External Capacitance
0
from X_IN to V_SS
External RC Oscillation
–
Frequency
Typical*
–
45
20
–
Maximum Units Conditions
–
V
200
1000
kΩ V_DD = V_VBO
pF
4
MHz
Note: *When using the external RC oscillator mode, the oscillator may stop oscillating if the power supply drops below
2.7 V, but before the power supply drops to the voltage brown-out threshold. The oscillator will resume oscilla-
tion as soon as the supply voltage exceeds 2.7 V.
Table 110. Reset and Stop Mode Recovery Pin Timing
Symbol
T_RESET
T_SMR
T_A = –40°C to 125°C
Parameter
Minimum Typical Maximum Units Conditions
RESET pin assertion to
4
–
–
T_CLK Not in STOP Mode.
initiate a system reset.
T_CLK = System Clock
period.
Stop Mode Recovery
10
20
40
ns RESET, DBG, and GPIO
pin Pulse Rejection
pins configured as SMR
Period
sources.
PS019924-0113
P R E L I M I N A R Y On-Chip Peripheral AC and DC Electrical