SAF-XC164CS-8F20F INFINEON [Infineon Technologies AG], SAF-XC164CS-8F20F Datasheet - Page 63

• Manufacturer Part Number: SAF-XC164CS-8F20F
• Description: 16-Bit Single-Chip Microcontroller
• Manufacturer: INFINEON [Infineon Technologies AG]

5.2
Table 16
Parameter
Oscillator period
High time
Low time
Rise time
Fall time
1)
2)
Figure 17
Note: If the on-chip oscillator is used together with a crystal or a ceramic resonator, the
Data Sheet
The maximum limit is only relevant for PLL operation to ensure the minimum input frequency for the PLL.
The clock input signal must reach the defined levels
oscillator frequency is limited to a range of 4 MHz to 16 MHz.
It is strongly recommended to measure the oscillation allowance (negative
resistance) in the final target system (layout) to determine the optimum
parameters for the oscillator operation. Please refer to the limits specified by the
crystal supplier.
When driven by an external clock signal it will accept the specified frequency
range. Operation at lower input frequencies is possible but is guaranteed by
design only (not 100% tested).
2)
2)
2)
2)
External Clock Drive XTAL1
0.5
External Clock Drive Characteristics
(Operating Conditions apply)
External Clock Drive XTAL1
V
DDI
t
1
59
t
2
V
ILC
Symbol
t
t
t
t
t
OSC
1
2
3
4
and
t
t
V
OSC
3
IHC
SR
SR
SR
SR
SR
.
min.
20
6
6
–
–
Limit Values
t
4
Timing Parameters
MCT05138
max.
250
–
–
8
8
V
V
IHC
ILC
1)
Derivatives
V2.1, 2003-06
XC164
Unit
ns
ns
ns
ns
ns