xc2234l-20f80l Infineon Technologies Corporation, xc2234l-20f80l Datasheet - Page 92
xc2234l-20f80l
Manufacturer Part Number
xc2234l-20f80l
Description
Lim 16/32-bit Single-chip Microcontroller With 32-bit Performance Xc2000 Family / Econo Line
Manufacturer
Infineon Technologies Corporation
Datasheet
1.XC2234L-20F80L.pdf
(113 pages)
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PRELIMINARY
4.6.3
These parameters specify the external clock generation for the XC223[04]L. The clock
can be generated in two ways:
•
•
If connected to CLKIN1, the input signal must reach the defined input levels
If connected to XTAL1, a minimum amplitude
the operation of the on-chip oscillator.
Note: The given clock timing parameters (
Note: Operating Conditions apply.
Table 27
Parameter
Oscillator frequency
XTAL1 input current
absolute value
Input clock high time
Input clock low time
Input clock rise time
Input clock fall time
Input voltage amplitude on
XTAL1
Input voltage range limits
for signal on XTAL1
1) The amplitude voltage
Data Sheet
operation and the resulting voltage peaks must remain within the limits defined by
By connecting a crystal or ceramic resonator to pins XTAL1/XTAL2.
By supplying an external clock signal. This clock signal can be supplied either to
pin XTAL1 (core voltage domain) or to pin CLKIN1 (IO voltage domain).
input signal.
1)
External Clock Input Parameters
External Clock Input Characteristics
V
AX1
refers to the offset voltage
Symbol
f
|
t
t
t
t
V
V
I
OSC
1
2
3
4
IL
AX1
IX1
SR
SR
SR
SR
| CC
SR -1.7 +
SR 4
SR 0.3 x
Min.
4
−
6
6
−
−
V
0.4 x
V
0.5 x
V
V
DDIM
DDIM
DDIM
DDIM
88
t
1
V
… t
Values
AX1
Typ.
−
−
−
−
−
8
8
−
−
−
−
V
OFF
4
(peak-to-peak voltage) is sufficient for
) are only valid for an external clock
. This offset voltage must be stable during the
XC2000 Family / Econo Line
Max.
40
16
20
−
−
8
8
−
−
−
1.7
Unit Note /
MHz Input= Clock
MHz Input= Crystal
μA
ns
ns
ns
ns
V
V
V
V
Electrical Parameters
XC2230L, XC2234L
V
IX1
.
Test Condition
Signal
or Resonator
f
f
f
f
f
f
OSC
OSC
OSC
OSC
OSC
OSC
2)
< 16 MHz;
≥ 4 MHz
≥ 16 MHz;
≤ 20 MHz
> 20 MHz;
≤ 40 MHz
V1.0, 2010-12
V
IL
and
V
IH
.
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