SAB-C167CR-LM

Manufacturer Part NumberSAB-C167CR-LM
Description16-bit microcontroller with 2x2 KByte RAM
ManufacturerInfineon Technologies AG
SAB-C167CR-LM datasheet
 


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for one single TCL (see formula and
× TCL the minimum value is computed using the corresponding
N
For a period of
deviation D
:
N
× TCL)
N
N
(
=
min
N
where
= number of consecutive TCLs
So for a period of 3 TCLs @ 25 MHz (i.e.
and (3TCL)
= 3TCL
min
NOM
This is especially important for bus cycles using waitstates and e.g. for the operation of
timers, serial interfaces, etc. For all slower operations and longer periods (e.g. pulse train
generation or measurement, lower baudrates, etc.) the deviation caused by the PLL jitter
is neglectible.
Note: For all periods longer than 40 TCL the N = 40 value can be used (see
Max. jitter
D
N
±30
±26.5
This approximated formula is valid for
ns
1 N
40 and 10 MHz
±20
±10
±1
1
5
10
Figure 10
Approximated Maximum Accumulated PLL Jitter
Data Sheet
Figure
10).
× TCL
[ns] = ± (13.3 +
- D
D
NOM
N
N
and 1 ≤
N
= 3): D
- 1.288 ns = 58.7 ns (@
f
33 MHz.
CPU
20
51
× 6.3) /
N
f
CPU
≤ 40.
N
× 6.3) / 25 = 1.288 ns,
3
= (13.3 +
3
f
= 25 MHz).
CPU
Figure
10 MHz
16 MHz
20 MHz
25 MHz
33 MHz
40
V3.2, 2001-07
C167CR
C167SR
[MHz],
10).
N
MCD04413