mc56f801 Freescale Semiconductor, Inc, mc56f801 Datasheet - Page 99

• Manufacturer Part Number: mc56f801
• Description: 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

10.7 Relaxation Oscillator Timing
Freescale Semiconductor
Preliminary
Figure 10-5 Relaxation Oscillator Temperature Variation (Typical) After Trim at 125°C
1. Output frequency after application of 8MHz trim value, at 125°C.
2. This is the time required from standby to normal mode transition.
3. J
4. See
Relaxation Oscillator output frequency
Normal Mode
Standby Mode
Relaxation Oscillator stabilization time
Cycle-to-cycle jitter. This is measured on the
CLKO signal (programmed prescaler_clock)
over 264 clocks
Minimum tuning step size
Maximum tuning step size
Variation over temperature -40°C to 150°C
Variation over temperature 0°C to 105°C
A
is required to meet SCI requirements.
Figure
8.16
8.08
7.92
7.84
8
-50
10-5.
Characteristic
3
-25
Table 10-12 Relaxation Oscillator Timing
0
2
1
4
4
56F8014 Technical Data, Rev. 9
25
Symbol
t
Degrees C (Junction)
jitterrosc
t
roscs
f
op
50
Minimum
—
—
—
75
+1.0 to -1.5
Typical
0 to +1
100
8.05
200
400
.08
40
1
125
+3.0 to -3.0
+2.0 to -2.0
Maximum
—
3
Relaxation Oscillator Timing
150
MHz
Unit
kHz
µs
ps
%
%
%
%
175
99