Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
Z8 Encore!®
166
On-Chip Oscillator
XIN
XOUT
R1 = 220
Ω
20MHz Crystal
(Fundamental-Mode)
R2 = 100k
Ω
C1 = 22pF
C2 = 22pF
Figure 90. Recommended Crystal Oscillator Configuration (20MHz operation)
Table 99. Recommended Crystal Oscillator Specifications (20MHz Operation)
Parameter
Value
Units
Comments
Frequency
20
MHz
Resonance
Parallel
Mode
Fundamental
Series Resistance (RS)
Load Capacitance (CL)
Shunt Capacitance (C0)
Drive Level
25
20
7
Ω
pF
Maximum
Maximum
Maximum
Maximum
pF
1
mW
PS017610-0404
On-Chip Oscillator