Z51F3220FNX Datasheet, PDF (46/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
7.19 Main Oscillation Stabilization Characteristics
Table 7-19 Main Oscillation Stabilization Characteristics
Oscillator
Crystal
Ceramic
Parameter
fx > 1MHz
Oscillation stabilization occurs when VDD
is equal to the minimum oscillator voltage
range.
External Clock
fXIN = 0.4 to 12MHz
XIN input high and low width (tXH, tXL)
(TA= -40°C ~ +85°C, VDD= 1.8V ~ 5.5V)
MIN
TYP
MAX Unit
–
–
60
mS
–
–
10
mS
42
–
1250
nS
1/fXIN
tXL
tXH
XIN
0.8VDD
0.2VDD
Figure 7.12 Clock Timing Measurement at XIN
7.20 Sub Oscillation Characteristics
Table 7-20 Sub Oscillation Stabilization Characteristics
Oscillator
Crystal
External Clock
Parameter
–
SXIN input high and low width (tXH, tXL)
(TA= -40°C ~ +85°C, VDD= 1.8V ~ 5.5V)
MIN
TYP
MAX Unit
–
–
10
S
5
–
15
μS
Figure 7.13 Clock Timing Measurement at SXIN
PS029902-0212
PRELIMINARY
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