Z8F6421PM020SC Datasheet, PDF (226/299 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers Z8 Encore-R 64K Series

Z8 Encore!^® 64K Series
Product Specification
206
stray capacitance to either the X_IN or X_OUT pins. If oscillation does not occur, reduce the
values of capacitors C1 and C2 to decrease loading.
On-Chip Oscillator
XIN
C1 = 22pF
Crystal
XOUT
R1 = 220Ω
C2 = 22pF
Figure 40. Recommended 20MHz Crystal Oscillator Configuration
Table 103. Recommended Crystal Oscillator Specifications (20MHz Operation)
Parameter
Value
Frequency
20
Resonance
Parallel
Mode
Fundamental
Series Resistance (R_S)
25
Load Capacitance (C_L)
20
Shunt Capacitance (C₀)
7
Drive Level
1
Units
MHz
Comments
Ω
Maximum
pF
Maximum
pF
Maximum
mW Maximum
PS019915-1005
On-Chip Oscillator