z8e001 ZiLOG Semiconductor, z8e001 Datasheet - Page 24
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z8e001
Manufacturer Part Number
z8e001
Description
Feature-rich Z8plus One-time Programmable Otp Microcontroller
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z8E001.pdf
(46 pages)
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Z8E001
Z8Plus OTP Microcontroller
OSCILLATOR OPERATION (Continued)
In most cases, the R
specifications are determined and specified by the crys-
24
Figure 16. Crystal/Ceramic Resonator Oscillator
C2
C1
XTAL1
Figure 17. LC Clock
D
C1
is 0 Ohms and R
Z8E001
R
L
F
XTAL1
Z8E001
XTAL2
XTAL2
V
SS
R
C2
D
F
V
SS
is infinite. These
P R E L I M I N A R Y
tal/ceramic resonator manufacturer. The R
creased to decrease the amount of drive from the oscillator
output to the crystal. It can also be used as an adjustment
to avoid clipping of the oscillator signal to reduce noise. The
R
resonator. The Z8E001 oscillator already has an internal
shunt resistor in parallel to the crystal/ceramic resonator.
Figure 16, Figure 17, and Figure 18 recommend that the
load capacitor ground trace connect directly to the V
(GND) pin of the Z8E001. This requirement assures that no
system noise is injected into the Z8E001 clock. This trace
should not be shared with any other components except at
the V
Note: A parallel resonant crystal or resonator data sheet speci-
F
can be used to improve the start-up of the crystal/ceramic
SS
fies a load capacitor value that is a series combination of
C 1 and C 2 , including all parasitics (PCB and holder).
pin of the Z8E001.
Figure 18. External Clock
N/C
XTAL1
Z8E001
XTAL2
DS001101-Z8X0400
V
SS
D
can be in-
ZiLOG
SS